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Avaya Configuring ATM Services User's Manual

1. 132 11 03 95 11 45 16 984 INFO SLOT 5 ATM Code 8 Line 1405101 vpi vci 0 35 has been activated 133 11 03 95 11 45 16 984 INFO SLOT 5 ATMINTF Code 15 Port 1 virtual channel VPI 0 VCI 35 call reference 9 activated 134 11 03 95 11 45 16 984 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound VC MOD RESPONSE Message FSM atmlmst cing vmr call ref 9 State VC MOD MSG WAIT Event VC MOD RSP ATM Layer Manager Outbound Open Confirm 135 11 03 95 11 45 16 984 DEBUG SLOT 5 ATM_LE Code 45 EC opened LE 802 3 Mcast VCC 0 35 136 11 03 95 11 45 16 988 DEBUG SLOT 5 ATM_LE Code 45 EC API msg LE Resolve Response from LEC 43 UserHandle 15592560 TransId 00edec 137 11 03 95 11 45 17 031 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Signalling Connection Indication ATM Layer Manager Outbound Connection Status Request 138 11 03 95 11 45 17 035 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons FSM atmlmst ced rr call ref 10 State RESERVE WAIT Event ATM VC RESERVE RSP MS 139 11 03 95 11 45 17 035 INFO SLOT 5 ATM Code 8 Line 1405101 vpi vci 0 36 has been activated 140 11 03 95 11 45 17 039 INFO SLOT 5 ATMINTF Code 15 Port 1 virtual channel VPI 0 VCI 36 call reference 10 activated 141 11 03 95 11 45 17 039 DEBUG SLOT 5 ATM SIG Code 24 ATM Lay
2. 172 11 03 95 11 45 17 386 DEBUG SLOT 5 ATM_LE Code 45 LEC API msg LE Event Response from LEC 3 UserHandle 15592560 TransId 00000000 Rx VCC Added Event from LEC 16308 VCC 0 37 173 11 03 95 11 45 17 386 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ATM VC Release Respons ATM Layer Manager Outbound Release Request 174 11 03 95 11 45 17 390 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC RESP 175 11 03 95 11 45 17 390 DEBUG SLO 5 ATM LE Code 45 EC LE READY IND packet on 0 37 discarded EC Control Packet Opcode FLUSH Req Type REQUEST Transaction Id 00000007 Requestor LECID 0048 Flags 0000 Lan Type Unspec Max Frame Size Unspec Targ ATM Address 176 Src ATM Address Src LAN 11 03 95 11 45 17 394 DEBUG Dest LAN SLOT 39000000000000000000000000 0000a20e9 ca 00 5 ATM LE Code 45 39000000000000000000000000 0000a20d72e2 00 E 22 ATM Sample Log LEC Replying to received LE FLUSH REQUEST for LEC 3 KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KKK The remote LE client begins the flush protocol so that it can begin using the new Data VC KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KKK KKK KKK KK KK KK LEC Control Packet Opcode FLUSH Req_Ty
3. suuuaugsuuuau EtherCell uusmuuuuuusinu EtherCell AN Switch JN Switch ATM NNI Connection ATM UNI Connection Connections to Legacy LANs Figure D 1 Sample ATM Network Sample ATM Network Hardware Devices Bay Networks provides various ATM hardware devices Each of these devices provides a different form of access within the ATM network The ATM sample network in this appendix uses the following Bay Networks ATM hardware devices e LattisCell switches e EtherCell switches e Backbone Node containing an ATM ILI pair In addition to the Bay Networks equipment the example requires UNIX workstations to operate ATM network control software Function of the LattisCell Switch Working in conjunction with network control software the LattisCell switch acts as the backbone of the ATM network refer to Figure D 1 Multiple LattisCells can interconnect using network to network interface NNI links These interconnecting LattisCells form larger ATM networks called ATM domains In addition to linking together with other switches the LattisCell can also connect to user to network interface UNI clients UNI clients for example routers hubs servers and workstations equipped with ATM interfaces reside on the edge of an ATM network Some of these UNI clients that is the routers hubs and servers can connect to other local or wide area
4. sssseeeeenmnenen 4 24 ATM Direct Connectivity sssssssssseseneeeeeee enne 5 2 SVC PVC Signaling Protocol Stack sss 5 5 Multiple PVCs per Service Record cccccceceseeeeeeeeeseeeeeeeeeeseeeeseneeeeaas 5 8 One PVC per Service Record mmrnrrnnannvvnrvrrrnnnnrnnnerrrennnrnenrnrresrsrnnnennreeenn 5 9 Hybtid POS 1 otc akan en 5 10 Example of a Bridged Network seee 5 11 Configuration Manager Window sse 6 2 Add Circuit Window ssssssssseseseeeee eene ennemis 6 3 Initial ATM Signaling Config Window enm 6 3 Edit ATM Connector Window sssssseeenenmeeen ennt 6 4 ATM Service Records List Window sssenn 6 8 ATM Service Record Parameters Window sss 6 9 Select Protocols Windows ssssssssseeeeeenn nnns 6 11 ATM Virtual Channel Link Window sreeenrrnnnnnvnnnnvrenrnnrrnnnnrvnrnrrreennnnnnennne 6 13 ATM Virtual Channel Link Parameters Window ssssss 6 16 Configuration Manager Window sss 7 3 Edit ATM Connector Window essent 7 4 Configuration Manager Protocols Menu sess 7 5 ATM Service Records List Window PVC rrrnennrvnrnrrrnnnnnvnnnrrrrnnnnrnnennren 7 6 Service Attributes Window Sequence PVCS sssssssssss 7 7 ATM Service Records L
5. ssessss 8 15 ATM Service Records List Window cssccecceseeceeeeescsessesteaeeeeeeeeees 8 18 ATM Virtual Channel Link Window 0c cccccceceeceeeseecsessesteaeeeeeeeeees 8 19 Select Protocols Window Hybrid sese 8 20 ATM Service Records List Window cc scccceseeeceeeescsesssseaeeseeeeeees 8 26 LAN Emulation Parameters Window cccccecceceeeeeeeeeeeeeeeeeeeesaeaeaeaes 8 27 ATM Interface Attributes Window ccccececcccececceseseeesaeaeseaseeeeeeeeeeeeeeeees 8 36 Edit ATM Connector Window cccccccccccecescsesteeecesceeeesceseseeseseaaeeueeenens 9 2 ATM Signaling Parameters Window ss 9 3 ATM Signaling Parameters Window ss 9 15 ATM Control VC for Signaling Window rurnnvrnenvrvnnnnrnnnnnrvnrnnrrrennnnnnennne 9 16 ATM Signaling AAL Records List Window eseseeeess 9 21 ATM ILMI Signaling Parameters Window eene 9 26 ATM ILMI Signaling Parameters Window eeeeeee 9 30 ATM Control VC for ILMI Window sseeeeeeennnnnnenn 9 31 XV xvi Figure B 1 Figure C 1 Figure C 2 Figure C 3 Figure C 4 Figure C 5 Figure C 6 Figure C 7 Figure C 8 Figure C 9 Figure C 10 Figure C 11 Figure D 1 Figure D 2 Figure D 3 Figure D 4 Figure D 5 Figure D 6 LAN Emulation States ie e at ea aa na aee a aaa aaa
6. Targ ATM Address 39000000000000000000000000 0000a20d72e2 00 Dest LAN 00 00 a2 0d 72 e2 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN EC got reverification response for dest 00 00 a2 0d 72 e2 on LEC 3 EC Received one of our LE ARP Responses back for LEC 3 EC Control Packet Opcode ARP Req_Type RESPONSE Status SUCCESS 183 11 03 95 11 45 18 070 DEBUG SLOT 5 ATM_LE Code 45 Transaction_Id 00000000 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec Targ ATM Address Dest LAN ff ff ff Src ATM Address Src LAN 39000000000000000000000000 0800201a42c4 a9 fe EC TEE 39000000000000000000000000 0000a20e9 ca 00 E 25 Configuring ATM Services LEC got reverification response for dest ff ff ff ff ff ff on LEC 3 KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK This LEC completes the verification of its LE ARP cache for MAC addresses ff ff ff ff ff ff and 00 00 a2 0d 72 e2 KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KK KK KK 184 11 03 95 11 45 22 054 TRACE SLOT 5 ATM_LE Code 41 EC LE ARP checking timed out reverifies for LEC 3 185 11 03 95 11 45 22 406 DEBUG SLO 5 ATM_LE Code 42 Line 1405101 Circuit 3 ATM LEC ARP Table modified for MAC 0x0000a20d72e2 Old VC 0 35 veid 11 ew VC 0 0 vc
7. 6 12 Enabling ATM Service Enabling Protocols on a PVC Service Record To enable protocols on a PVC service record 1 Click on the protocol or protocols you want to enable in the Select Protocols window refer to Figure 6 7 2 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the ATM Virtual Channel Link window opens Figure 6 8 3 An rt thermal lik li Hy bri Br i dged VE il Ain inioteativ State Xmit Poak Coll Rate colls s Kalt Siotainahle Call Rabe cel bec Malt Hurat Sizo colle Maximum Aol CPCS Transmit S Size Figure 6 8 ATM Virtual Channel Link Window 3 A PVC service record requires at least one PVC to operate go to Adding PVCs later in this chapter 6 13 Configuring ATM Services Enabling Classical IP on an SVC Service Record When you select either NULL or LLC SNAP RFC 1483 data encapsulation to run on an SVC you automatically select the technology defined in RFC 1577 Classical IP and ARP over ATM This technology allows you to set up logical IP subnets within your ATM network and provides the ability to use ARP to obtain information and receive that information from a designat
8. Targ ATM Address 39000000000000000000000000 0800201a42c4 a9 126 11 03 95 11 45 16 097 DEBUG SLOT 5 ATM_LE Code 45 Dest LAN ff ff ff ff ff ff Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN KKK KKK KKK KKK KKK KKK kk Ck Ck kk kk ck kk kk kk kk KKK KKK KKK KKK Sk Sk Sk KKK KKK KKK KKK KKK KK KK KK The LEC has received an LE ARP response and proceeds to open up the multicast send VCC to the BUS KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 127 11 03 95 11 45 16 097 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC REQ 128 11 03 95 11 45 16 097 TRACE SLOT 5 ATM_LE Code 41 EC Called SIG Open VC cct 3 call ref 9 sig id 2 129 11 03 95 11 45 16 097 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons FSM atmlmst cing rr call ref 9 State RESERVE WAIT Event ATM VC RESERVE RSP MS ATM Layer Manager Outbound Connect Request 130 11 03 95 11 45 16 949 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Signalling Connection Status Indication 131 11 03 95 11 45 16 980 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Signalling Connection Confirm FSM atmlmst cing tcc call ref 9 State NETWORK WAIT Event AMUIAMTCONCFM ATM Sample Log
9. sssssseseeeeneenmeen nnn enne 9 30 ATM Control VC for ILMI Parameter Descriptions essssssss 9 32 Appendix A Site Manager Default Settings for ATM Appendix B ATM LAN Emulation Overview LAN Emulation Basics sss eene nennen ene ns nn nsn nn nnne nnne nns B 1 LAN Emulation Connectivity srs reiii nadane ae eaaa i anadan naana aeaaea ai nnne nens B 1 LAN Emulation Components sss eene nnne nnns nnne B 2 LAN Emulation Ghent 23 3 9 22 coda Teva rete dana nae tui drain B 2 LAN Emulation Configuration Server ssssssssssssssseeeeeenen nene B 2 LAN Emulation Server sssssssssssssesese enne nennen nnne nennen nnns B 3 Broadcast and Unknown Server sss eene B 3 Understanding LAN Emulation States sssssessssseeeeeeenn B 4 Initial State Lisas Sauna B 5 LECS Connect State Rice niet n thy bela e ro vit dt de e de B 5 Gonfig re State oiu redd addet em dem ee ida B 5 UOIN State again aat Wn eet B 5 Initial Registration State x ned ee eee E Rd B 6 BUS Connect State uie ete IR m REOR ERREUR RE DERE daten Estate HA RS aA B 6 Operational State 2 280 edet fc oes d dado ado e d a ege uet B 6 Appendix C Configuring Classical IP over ATM ATM Address Resolution eeeeeeeeeseesseseseeeeeeseee enn ae nennen nennen nnne nne C 3 Configuring an ATMARP Client and an ATMARP Server ees
10. sss een nennen nennen nennen nennen 8 13 Adainga PVG oet ette iade titu tette eate e tias 8 13 Copying a PO 3 east Rape ying soa et 8 15 ATM Virtual Channel Link Parameter Descriptions ssssesesss 8 17 Editing P VG Parameters 2 ie ea ee e i dete rei ots 8 18 ATM Virtual Channel Link Parameter Descriptions essesssesss 8 21 Editing LAN Emulation Client Parameters sse 8 26 LAN Emulation Parameter Descriptions ssseenm 8 28 Editing ATM Interface Attributes sssessseeeeenen enne 8 36 ATM Interface Parameter Descriptions sseessseeneennn nmn 8 37 Chapter 9 Editing ATM Signaling and ILMI Parameters Editing ATM Signaling Attributes esses enne 9 2 ATM Signaling Parameter Descriptions rrrrannnvnnonvrnnnnnvrnnnnrnnnnnrrnnnnnnnnnrrrnnnnnnnnennren 9 4 Editing the ATM Signaling Control VC ruarnrvnnnnvvnnnvrrnnnnnvnnrrrrennnnrnnnenrenernrnnnsnneneenr 9 15 ATM Control VC for Signaling Parameter Descriptions sees 9 17 Editing Signaling AAL Attributes ssssssssssssseeeenennneeeen nnns 9 21 ATM Signaling AAL Parameter Descriptions sssseeeen 9 22 Editing ILMADE S o et rb etur ra ee e ee d ede dan 9 26 ATM ILMI Signaling Parameter Descriptions sssseeeee 9 27 Editing the ATM ILMI Control VC
11. 2 5 Configuring ATM Services ATM DXI Modes of Operation The ATM Forum s ATM DXI specification defines three modes of operation Each mode specifies a different set of operations and data transfer between the DTE the router the DCE and the DSU CSU The combination of the router link module and the DSU CSU provides a User Network Interface to the ATM network The modes of operation include the following Mode 1A Using this mode the DTE encapsulates the DTE service data unit SDU into a DXI frame and transmits it to the DCE This mode operates with AAL 5 only No AAL 5 functions are performed by the DTE the DCE performs the AAL 5 and ATM layer functions Mode 1B This mode serves the same purpose as Mode 14A but it offers additional support for AAL 3 4 for at least one VPI VCI Mode 2 This mode allows the DTE to perform the AAL 3 4 CPCS encapsulation for the DTE SDU then puts this PDU into an ATM DXI frame The DSU CSU then modifies the frame to support either AAL 3 4 or AAL 5 The DSU CSU performs AAL functions based on whether the virtual channel connection is set for AAL 3 4 or AAL 5 In addition to the three modes described by the ATM Forum our implementation of the ATM DXI specification defines a fourth mode of operation Mode 2 Proprietary Mode 2 Proprietary This mode is a proprietary version of Mode 2 used prior to the development of ATM Forum s standard Mode 2 This version of Mode 2 has some DXI head
12. 8 27 Configuring ATM Services LAN Emulation Parameter Descriptions Use the following descriptions when you set the parameters in the LAN Emulation Parameters window Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Enable Enable Enable Disable Enables or disables LAN emulation on this service record Accept the default Enable if you want LAN emulation to remain enabled on this service record Select Disable if you do not want LAN emulation enabled on this service record 1 3 6 1 4 1 18 3 5 9 5 20 1 1 2 Owner None Leave blank or enter up to 128 alphanumeric characters Identifies this LAN emulation client This parameter is optional Either leave this parameter blank or enter a text string up to 128 alphanumeric characters to identify this LAN emulation client 1 3 6 1 4 1 18 3 5 9 5 20 1 1 4 8 28 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing ATM Service and Interface Parameters Configuration Mode Automatic Automatic Manual Indicates whether this LAN emulation client configures automatically that is uses information from the LECS or manually that is uses information from the LAN Emulation Parameters window Accept the default Automatic if you want this client to
13. 7 2 ATM Editing Basics To use the Edit ATM Connector window 1 Click on an ATM link module interface labeled ATM1 in the Configuration Manager window Figure 7 1 Configuration Mode local SHEP Agent LOCAL FILE File Home tap mnt isezb bechpubs test cnfso atal cfg Model Backbone Link Hode BMW ATH Version 20 00 Color Key Used Description Connectors 74023 ATA FRES 0C 3 Multimode Waites ATH FREZ DC 3 Simgzlemode AGIOS ARE DC 3 MH 5153 AGIALIO1IS ARE DE 3 SH ST5 3 fjeten Resource Bockule Figure 7 1 Configuration Manager Window If you have not already enabled the interface the Add Circuit window opens Go to Chapter 6 to learn how to enable an ATM interface If the interface is already enabled the Edit ATM Connector window opens Figure 7 2 7 3 Configuring ATM Services nterface Attributen Line Attributes Sigpaling f l Interim Local Management Inta Figure 7 2 Edit ATM Connector Window 2 Click on the desired attribute category To learn more about each ATM attribute category go to the section in this chapter that describes how to navigate within each attribute category To learn more about how to edit the different ATM parameters go to the section that describes how to edit a specific attribute category Table 7 1 lists each attribute category and its location Table 7 1 Finding Editing Instructions Edit ATM Connector
14. Og Hybrid PVC ATM Network Bridge Protocol Hybrid PVC Routing protocol sees one interface to the network Interface to Network Figure 5 5 Hybrid PVCs Note When you define a PVC as a hybrid bridged VC Site Manager provides additional Bridge Spanning Tree and Native Mode LAN NML protocol options These protocols run on the PVC along with the protocols defined in the ATM service record 5 10 ATM Features and Implementation Notes Using Hybrid PVCs for Transparent Bridging In Figure 5 6 traffic bridges between Site A and Site B The bridge Router 1 is running on the ATM network interface and its PVCs are not defined as hybrid bridged VCs Site A Router 2 E JL e Bridge port sees one path to Sites A and B Router 1 J e ATM Network Router 3 E o Figure 5 6 Example of a Bridged Network In this example the bridge receives data from Site A If the bridge does not recognize the destination address it tries to direct traffic through another bridge port However since the PVCs are not defined as hybrid bridged VCs the ATM bridge port views the paths to Site A and Site B as the same A bridge does not send out the same data over the bridge port from which it just received the
15. Figure 7 14 ATM Signaling AAL Records List Window Sequence 7 15 Configuring ATM Services Selecting ILMI Attributes ILMI attributes define the SNMP timers and retry limits for registration with the ATM switch Selecting this category opens the ATM ILMI Signaling Parameters window Figure 7 15 SD AH liM Signaling Parwaterr Apply Enile LAL Vpi ILAL Voi ILHI Get Timer ILHI Get Retry Count ILHT Get feet Timer Figure 7 15 ATM ILMI Signaling Parameters Window 7 16 ATM Editing Basics Figure 7 16 shows the window sequence for the ILMI category Edit ATM Connector window Interim Local Management Interface ILMI ATM ILMI Signaling 1 Parameters window ATM Control VC for ILMI window Figure 7 16 ATM ILMI Signaling Parameters Window Sequence 7 17 Configuring ATM Services Assigning Data Encapsulation ATM allows you to choose from three data encapsulation types LLC SNAP LANE 802 3 and NULL How you assign a data encapsulation type and which data encapsulation type takes precedence depend on the virtual circuit type and for PVCs the order in which you assign the encapsulation type Encapsulation Methods Each ATM device must encapsulate PDUs in an ATM cell before it can send them over the ATM network LLC SNAP Encapsulation This method allows multiplexing of multiple protocols over a single ATM virtual circuit In this approach an IEEE 802 2 Log
16. Instructions MIB Object ID ATM ARP Mode Client Client Server Specifies whether the router is running as an ATM client or server on this interface You must configure one ATMARP server for each LIS you define 1 3 6 1 4 1 18 3 5 3 2 1 4 1 112 ARP Server ATM Address Network Prefix None XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Defines the ATM address network prefix of the ATMARP server on your network Enter the ATM address network prefix of the ATMARP server on your network A complete ATM address consists of a network prefix and a user part Use the ARP Server ATM Address User Part parameter to supply the user part of the ATM address 1 3 6 1 4 1 18 3 5 3 2 1 4 1 113 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Configuring Classical IP over ATM ARP Server ATM Address User Part None XX00000000000000 to FEFFFFFFFFFFFF Defines the user part suffix of the ATM address for the ATM ARP server on your network The user part suffix consists of a 6 byte endstation identifier and a 1 byte selector field Enter the user part suffix of the ATM ARP server on your network A complete ATM address consists of a network prefix and a user part Use the ARP Server ATM Address Network Prefix parameter to supply the network part of the ATM address 1 3 6 1 4 1 18 3 5 3
17. KKK KKK KKK KKK KKK KKK KK KKK KK KKK KK KKK KKK KKK KKK KKK Sk kk KKK KKK KKK KKK KKK KK KK KK 34 11 03 95 11 44 58 949 DEBUG SLOT 5 ATM Code 47 Spawning PVC Manager KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK The PVC Manager spawns whether or not you define PVCs KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 35 11 03 95 11 44 58 953 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ILMI Statistics Confirm ATM Layer Manager Inbound ILMI Status Confirm 36 11 03 95 11 44 58 957 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound Address Registration Request mu_proc_addr_reg_msg received register request for unregistered network prefi 37 11 03 95 11 44 58 957 INFO SLO 5 ATM Code 2 Line 1405101 ATM Service activated on Interface 38 11 03 95 11 44 58 960 DEBUG SLOT 5 ATM Code 47 Atm Address Registration Failed Line 1405101 cct 3 Address 00000003 00000004 00000017 00000001 00000002 39 11 03 95 11 44 59 039 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound ILMI Add Indication 40 11 03 95 11 44 59 042 DEBUG SLO 5 ATM SIG Code 24 ATM Layer Manager Inbound Address Registration Request 41 11 03 95 11 44 59 210 DEBUG SLO 5 ATM SIG Code 24 ATM Layer Manager Inbound ILMI Add Confirm Succeeded to register address 39000000 000
18. Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing ATM Service and Interface Parameters Data Encapsulation Type LANE 802 3 signaling enabled or LLC SNAP signaling disabled LANE 802 3 LLC SNAP NULL Identifies the data encapsulation type for this service record You can use this parameter to select e LLC SNAP or NULL data encapsulation for service records containing PVCs e LLC SNAP data encapsulation for service records containing hybrid PVCs LANE 802 3 for service records containing SVCs over which you want to run LAN emulation e LLC SNAP or NULL for service records containing SVCs over which you want to run classical IP RFC 1577 If you select NULL the router interprets this as virtual channel based multiplexing which is not supported for bridging Select a data encapsulation type 1 3 6 1 4 1 18 3 4 23 1 2 1 5 Virtual Connection Type SVC signaling enabled or PVC signaling disabled PVC SVC Identifies the virtual connection type of this service record Accept the default SVC if you want the service record to contain switched virtual circuits Select PVC if you want the service record to contain permanent virtual circuits 1 3 6 1 4 1 18 3 4 23 1 2 1 7 8 9 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Parameter
19. The ATM Service Records List window opens Figure 7 24 LE BO 3 WE RFC 1480 ALLC SWC RFC ISHX WUL SVC FFC LSHX LELL PYC Eatble Dissble User Part utmgeneraticn ATH Addr ler Part ATA Addr Het Prefix Opticnal HTLI Figure 7 24 ATM Service Records List Window 2 Click on the service record containing the PVC you want to delete 7 29 Configuring ATM Services 3 Click on PVC The ATM Virtual Channel Link window opens Figure 7 25 ATH ARE Slot i Hybrid Bridged VE Administrative State mlt Peale Cell Hate cellists Pe ha Wait Sietalnsble Coll Rate cel boa 2358 Xmit Hurst Size colin Maximum A CFCS Transmit SIMI Sime BEE Ej Figure 7 25 ATM Virtual Channel Link Window 4 Click on the PVC you want to delete 5 Click on Delete Site Manager deletes the PVC 7 30 ATM Editing Basics Deleting Individual SVCs To delete an SVC Caution Site Manager does not ask you to confirm your decision to delete an SVC You cannot undo this action 1 Inthe Edit ATM Connector window refer to Figure 7 2 click on Service Attributes The ATM Service Records List window opens Figure 7 26 ATM FREZ Slot 4 Cot 12 RT r ATMITREZ Slot 4 Cct 13 RFC 1485 N00L SVC User Part f utugeneratinn ATA A dr User Part ATH Aiie Het Prefix Ot ioral ATLI Figure 7 26 ATM Service Records List Window 2 Click on the service record containing the SVC you want to
20. You can change your ATM traffic parameters several times before deciding on a particular set This section explains the different traffic parameters and provides some basic guidelines for customizing traffic parameters on an ATM PVC or ATM Control SVC that is the signaling VC or ILMI VC Note You do not need to manually configure traffic parameters for SVCs as you must for PVCs and Control VCs because SVCs dynamically negotiate these parameters before transferring data 5 12 ATM Features and Implementation Notes Converting Mb s to Cells s Several ATM traffic parameters require you to enter values in cells second cells s To convert to cells s divide the number of bits s by 424 the number of bits per ATM cell Number of bits second Number of bits ATM cell Number of cells second For example 100 000 000 bits s 224 bits cell 235 849 cells s Although we use raw bandwidth to describe line rates inherent overhead within the media limits maximum bandwidth for the line Use Table 5 1 to determine the maximum bandwidth for the media you are using Table 5 1 Maximum Bandwidth Raw Maximum Maximum Media Bandwidth Mb s Bandwidth Mb s Cells s OC 3 SONET SDH 155 149 76 353207 DS 3 44 736 40 704 96000 E 3 G 832 Framing 34 368 33 920 80000 E 3 G 751 Framing 34 368 30 528 72000 5 13 Configuring ATM Services Variable Bit Rate versus Available Bit Rate Bay Network
21. e The PCR specifies the desired rate for the attached physical media that is SONET SDH DS 3 or E 3 It does not specify the rate for the ATM network as a whole For example you can specify a full 149 76 Mb s for each PVC or Control VC on a SONET SDH connection However if the VC ultimately connects to a lower speed link for example T1 or E1 your PCR is limited to the maximum rate of that media e ATM FRE2 ILI pairs require a minimum PCR value of 300 cells s VCs may fail to operate with PCR values less than 300 cells s e ATM ARE ILI pairs require a minimum PCR value of 128 cells s VCs may fail to operate with PCR values less than 128 cells s e The E 3 framing mode setting affects the maximum PCR setting Refer to Table 5 1 for additional information Sustainable Cell Rate and Minimum Cell Rate For ATM FRE2 ILI pairs the sustainable cell rate SCR is the upper bound on the conforming average rate of an individual PVC or Control VC In this definition average rate is the number of cells transmitted over the link divided by the duration of the connection The duration of the connection equals the total amount of time it takes from connection setup to connection release The SCR allows you to define future cell flow on a PVC or Control VC in greater detail than by just using the PCR For ATM FRE2 ILI pairs the SCR controls the rate over time not at a specific instant of time and can help you more efficiently use your
22. ATM LEC ARP Table modified for MAC 0x0000a20d72e2 Old VC 0 0 veid 0 New VC 0 37 veid 14 KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KKK KKK KKK KKK KKK This LEC receives a flush response and modifies the LE ARP cache so that packets destined for the MAC address 00 00 a2 0d 72 e2 use VPI VCI 0 37 KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK kk kk KKK KKK KKK KKK KKK KKK KKK KKK E 27 A AAL CPCS Receive SDU Size parameter 8 25 9 20 9 35 AAL CPCS Transmit SDU Size parameter 8 25 9 20 9 35 accessing ATM networks PVCs 5 7 to 5 10 SVCs 5 12 ATM windows 7 2 Add Party Sent timer 9 13 adding adjacent hosts C 12 ATM circuit 6 2 to 6 4 PVCs 3 4 to 3 6 6 16 8 13 to 8 15 service records PVC 6 8 to 6 10 8 4 to 8 6 SVC 6 10 8 7 Adjacent Host X 121 Address parameter C 16 adjacent hosts adding C 12 configuring C 11 definition of C 11 deleting C 16 editing C 13 Administrative State parameter 8 21 8 37 Aging Time parameter 8 33 ARP Server ATM Address Network Prefix parameter C 9 C 18 ARP Server ATM Address User Part parameter C 10 C 19 Index ATM adding PVCs 6 16 ARP support 5 4 cell description of 1 1 switching 1 7 technology 1 1 circuit adding 6 2 to 6 4 Control Software CMS D 5 MCS D 5 NMA D 6 understanding D 5 Convergence Sublayer CS description of 1 4 data transmission 1 7 deleting from the router 7 34 e
23. Parameter Default Options Function Instructions MIB Object ID Multicast Unicast Unicast Multicast Indicates whether this PVC is multicast or unicast Set to unicast or multicast according to the PVC type 1 3 6 1 4 1 18 3 5 9 5 14 1 16 Enabling and Editing Protocols for Group Access PVCs After you add at least one PVC that functions in group access mode the default you can enable and edit bridging routing protocols for that PVC To enable or disable a protocol on a group access circuit use the following procedure 1 From the Configuration Manager window refer to Figure 4 1 click on the ATM circuit to which you want to add bridging routing protocols The Edit Connector window opens Figure 4 6 Editt mnacior Edi amp Circiit Edit Ling Dua Figure 4 6 Edit Connector Window 2 Click on Edit Circuit The Circuit Definition window opens Figure 4 7 4 16 Editing ATM DXI Parameters GEER M PE Cor ipuiration Bode local SHEP Agent LOCAL FILE Protocols Lot Figure 4 7 Circuit Definition Window 3 Select Group Protocols Add Delete The Select Protocols window opens Figure 4 8 4 17 Configuring ATM Services Sal ct Pratacalr Figure 4 8 Select Protocols Window Group Access Select the bridging routing protocols you want to enable on that circuit and click on OK For each protocol you select the Configuration Manager displays a prot
24. Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing ATM Service and Interface Parameters Maximum AAL CPCS Transmit SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the transmit direction Enter an octet value that represents the maximum packet size you intend this VC to transmit We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 17 Maximum AAL CPCS Receive SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the receive direction Enter an octet value that represents the maximum packet size you intend this VC to receive We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 18 Data Encapsulation Type LLC SNAP LLC SNAP NULL Specifies the type of data encapsulation used over AAL 5 SSCS layers Use this parameter to select LLC SNAP or NULL data encapsulation for e All PVCs on a particular service record e Hybrid PVCs We recommend selecting LLC SNAP If you select NULL the router interprets this as virtual channel based multiplexing which is not supported for bridging 1 3 6 1 4 1 18 3 4 23 1 5
25. windows accessing ATM 7 2 World Wide Web Bay Networks Home Page on xxii X Xmit Burst Size parameter ILMI Control VC 9 34 PVC 8 24 Signaling Control VC 9 19 Xmit Peak Cell Rate parameter ILMI Control VC 9 32 PVC 8 22 Signaling Control VC 9 17 Xmit Sustainable Cell Rate parameter ILMI Control VC 9 33 PVC 8 23 Signaling Control VC 9 18 Index 8
26. 11 03 95 11 45 01 933 WARNING SLOT 5 ATM LE Code 27 Line 14051 value 27 00ef6ee ATM Layer EC Calle ATM Layer FSM atmlms 01 Circuit 3 ATM LEC Close Indication call ref 4 cause LEC could not open Config Direct VCC reason 3 74 11 03 95 11 45 01 933 DEBUG SLOT 5 ATM LE Code 45 LEC API msg LE Config Response from LEC 3 UserHandle 15592560 TransId 75 11 03 95 11 45 05 914 DEBUG SLOT 5 ATM SIG Code 24 anager Inbound OPEN VC REQ 76 11 03 95 11 45 05 914 TRACE SLOT 5 A LE Code 41 d SIG Open VC cct 3 call ref 5 sig id 1 77 11 03 95 11 45 05 914 DEBUG SLOT 5 ATM SIG Code 24 anager Inbound ATM VC Reserve Respons t cing rr call ref 5 State RESERVE WAIT ATM Layer ATM Layer FSMatmimst ATM Releas ATM Layer ATM Layer value 27 Event ATM VC RESERVE RSP MS anager Outbound Connect Request 78 11 03 95 11 45 05 917 DEBUG SLOT 5 ATM SIG Code 24 anager Inbound Signalling Release Indication tri nws call ref 5 State NETWORKWAIT Event AMUIAMTRELIND e request call ref 5 cid 7 vpi vci 0 0 anager Inbound ATM VC Release Respons anager Outbound Close Indication 79 11 03 95 11 45 05 917 WARNING SLOT 5 ATM LE Code 27 Line 1405101 Circuit 3 ATM LEC Close Indication call ref 5 cause EC could not open Config Direct VCC reason
27. 3 E 9 Configuring ATM Services 80 11 03 95 11 45 05 917 DEBUG SLOT 5 ATM_LE Code 45 LEC API msg LE Config Response from LEC 3 UserHandle 15592560 TransId 00ef6ee 81 11 03 95 11 45 10 925 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound SSCOP Status Indication SSCOP Status Indication su 0 ev 3 ui 3 sscf 3 sscop 3 11i 3 82 11 03 95 11 45 10 925 INFO SLO 5 ATM SIG Code 5 Line 1405101 ATM SSCOP active 83 11 03 95 11 45 10 925 DEBUG SLOT 5 ATM SIG Code 24 SSCOP Status Indication PROT ST UP KKK KKK KKK KKK ck ck KKK ck kk KKK kk kk ck ck KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK SSCOP becomes operational again Switched VCs can now open successfully KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK 84 11 03 95 11 45 13 929 DEBUG SLOT 5 A SIG Code 24 ATM Layer Manager Inbound OPEN VC REQ 85 11 03 95 11 45 13 929 TRACE SLO 5 A LE Code 41 EC Called SIG_Open_VC cct 3 call_ref 6 sig_id 1 86 11 03 95 11 45 13 929 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons FSM atmlmst_cing_rr call_ref 6 State RESERVE WAIT Event ATM_VC_RESERVE_RSP_MS ATM Layer Manager Outbound Connect Request 87 11 03 95 11 45 14 949 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Mana
28. 46 bytes cell ace 5 17 Chapter 6 Enabling ATM Service Before you can enable ATM service you must 1 Open a configuration file 2 Specify router hardware if using a local mode configuration file 3 Select the link module interface on which you are enabling ATM If you have questions about how to perform any of these preliminary tasks refer to Configuring Routers For each ATM parameter this chapter provides information about default settings valid parameter options the parameter function instructions for setting the parameter and the Management Information Base MIB object ID The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB object ID This process is equivalent to modifying parameters using Site Manager For more information about using the Technician Interface to access the MIB refer to Using Technician Interface Software Caution We highly recommend that you use the Technician Interface for very minor MIB adjustments only The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration 6 1 Configuring ATM Services Enabling Overview When you enable ATM service you must Add an ATM circuit Define initial ATM signaling parameters for that circuit 1 2 3 Add and define an ATM service record for that circuit 4 Enable any desired protocols on that service re
29. 5 Click on Apply The Configuration Manager updates the configuration file 9 16 Editing ATM Signaling and ILMI Parameters ATM Control VC for Signaling Parameter Descriptions Use the following descriptions when you set the parameters in the ATM Control VC for Signaling window Parameter Default Range Function Instructions MIB Object ID Xmit Peak Cell Rate cells s 4716 300 to 365566 ATM FRE2 OC 3 SONET SDH ILI pairs 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 128 to 96000 ATM ARE DS 3 ILI pairs 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 128 to 72000 ATM ARE E 3 ILI pairs G751 Framing Mode Specifies the upper traffic limit in cells s that the ATM connection can submit How you set the peak cell rate depends on e The optical transmission rate of your ATM device The amount of traffic you expect on a particular VC e The rate you desire for each VC After you determine the transmission rate of your ATM device set the peak cell rate within the range specified above 1 3 6 1 4 1 18 3 4 23 1 5 1 8 9 17 Configuring ATM Services Parameter Default Range Function Xmit Sustainable Cell Rate cells s 4716 300 to 365566 ATM FRE2 OC 3 SONET SDH ILI pairs 0 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 0 128 to 96000 ATM ARE DS 3 ILI pairs 0 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 0 128 to 72000 ATM ARE E 3 ILI pairs G751 Fram
30. 8 28 Expected LE ARP Response Time 8 34 Flush Protocol 8 35 Flush Timeout 8 34 Forward Delay Time 8 33 LE Config Server ATM Address 8 35 LE Server ATM Address 8 31 LEC LAN Type 8 29 Max Retry Count 8 33 Max Unknown Frame Count 8 31 Max Unknown Frame Time 8 32 Maximum Data Frame Size 8 30 Owner 8 28 Path Switching Delay 8 34 VCC Timeout Period Enable 8 32 Server LES description of B 3 states B 4 to B 6 support 5 4 LANE 802 3 definition of 7 19 See also Data Encapsulation LE client description of B 2 LE Config Server ATM Address parameter 8 35 LE Server ATM Address parameter 8 31 LEC LAN Type parameter 8 29 LEC description of B 2 LECS Connect State LAN emulation B 5 LECS description of B 2 LES description of B 3 line attributes selecting 7 11 Link Connection Arbitration parameter 9 22 LLC SNAP definition of 7 18 Index 5 LLC SNAP See also Data Encapsulation LMI Enable parameter 4 7 LMI support 2 4 log file E 1to E 27 MAC Address Override parameter 8 39 Max Connection Control parameter 9 25 Max Number of SVC Applications parameter 6 5 9 4 Max number of VCs parameter 4 5 Max Parties in Multipoint Connections parameter 6 6 9 5 Max PD Before Poll parameter 9 25 Max Point to Multipoint Connections parameter 6 6 9 5 Max Point to Point Connections parameter 6 6 9 5 Max Retry Count parameter 8 33 Max STAT PDU Elements parameter 9 25 Max Unknown Frame Count
31. A list of parameter default settings for ATM DXI and ATM Appendix A LAN emulation overview Appendix B An example of how to define an ATM logical IP subnet Appendix C An example of how to set up an ATM network using Bay Networks switching and routing equipment Appendix D A sample ATM log Appendix E Xix Configuring ATM Services Audience If you are responsible for configuring and managing ATM on Bay Networks routers read this guide to discover how to use Site Manager software to customize ATM DXI and ATM services to suit your environment Before You Begin Before using this guide you must complete the following procedures Create and save a configuration file that has at least one ATM DXI or ATM interface e Retrieve the configuration file in local remote or dynamic mode Refer to Configuring Routers for instructions Bay Networks Customer Support Bay Networks provides live telephone technical support to our distributors resellers and service contracted customers from two U S and three international support centers If you have purchased your Bay Networks product from a distributor or authorized reseller contact the technical support staff of that distributor or reseller for assistance with installation configuration troubleshooting or integration issues Customers also have the option of purchasing direct support from Bay Networks through a variety of service programs The programs include prior
32. Accept the default Up if you want traffic to flow on this PVC Set the state to Down if you do not want traffic to flow on this PVC 1 3 6 1 4 1 18 3 4 23 1 5 1 5 8 21 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Xmit Peak Cell Rate cells s 2358 300 to 365566 ATM FRE2 OC 3 SONET SDH ILI pairs 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 128 to 96000 ATM ARE DS 3 ILI pairs 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 128 to 72000 ATM ARE E 3 ILI pairs G751 Framing Mode Specifies the upper traffic limit in cells s that the ATM connection can submit How you set the peak cell rate depends on e The optical transmission rate of your ATM device The amount of traffic you expect on a particular VC e The rate you desire for each VC After you determine the transmission rate of your ATM device set the peak cell rate within the range specified above 1 3 6 1 4 1 18 3 4 23 1 5 1 8 8 22 Parameter Default Range Function Editing ATM Service and Interface Parameters Xmit Sustainable Cell Rate cells s 2358 300 to 365566 ATM FRE2 OC 3 SONET SDH ILI pairs 0 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 0 128 to 96000 ATM ARE DS 3 ILI pairs 0 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 0 128 to 72000 ATM ARE E 3 ILI pairs G751 Framing Mode Specifies the upper limit of the ATM connection conformin
33. Configuring ATM Services 3 Click on PVC The ATM Virtual Channel Link window opens Figure 8 6 Apply Help Hybrid Bridged VE Administratise State mit Peak Cell Rate celisfs Xmit Duetsinebie Cell Rrtelcells a mit Burst Size celle Hmximum F L OPCS Transmit S Sine Figure 8 6 ATM Virtual Channel Link Window 8 14 Editing ATM Service and Interface Parameters 4 Click on Add The ATM Virtual Channel Link Parameters window opens Figure 8 7 Figure 8 7 ATM Virtual Channel Link Parameters Window 5 Enter the VPI and VCI numbers that you want to use for the PVC Copying a PVC Refer to ATM Virtual Channel Link Parameter Descriptions later in this chapter for guidelines Click on OK The Configuration Manager returns you to the ATM Virtual Channel Link window The window displays the default parameter values for this PVC If you want to change the default configuration complete the procedure described in the section Editing Virtual Channel Link Parameters To copy an existing PVC 1 In the Edit ATM Connector window refer to Figure 8 1 click on Service Attributes The ATM Service Records List window opens refer to Figure 8 5 Click on the service record that contains the PVC you want to copy Click on PVC The ATM Virtual Channel Link window opens refer to Figure 8 6 Click on the PVC you want to copy 8 15 Configuring ATM Services 5 Click on Copy
34. Deleting ATM from the Router To delete ATM from the entire router 1 In the Configuration Manager window select Protocols gt ATM gt Delete ATM Figure 7 29 Configuration Mode SHEP gent Fille Homo g ent ini bectpube Model Backbone Line Hode HLH AIH Verabun xD 00 Description 78083 ATH PRES O03 Multimode 4 ATH FRES 00 3 Singlenode kilos ARE DC 3 MH 5T5 3 AGR 10113 ARE DE 3 SA ST5 3 eten Resource Houle Figure 7 29 Deleting ATM from the Router The Configuration Manager asks Do you REALLY want to delete ATM 2 Click on OK Site Manager deletes ATM from the router and returns you to the Configuration Manager window 7 34 Chapter 8 Editing ATM Service and Interface Parameters Once you enable an ATM circuit you can use the Configuration Manager to edit ATM service and interface parameters Note 7o edit ATM parameters you must first enable ATM on the router If you have not yet enabled an ATM interface or if you want to enable additional ATM interfaces go to Chapter 6 for instructions For each ATM service or interface parameter this chapter describes e The default setting e All valid parameter options e The parameter function e Instructions for setting the parameter e The MIB object ID Begin from the Edit ATM Connector window Figure 8 1 For information about the Edit ATM Connector window or how to access it refer to Chapter 7 8 1 Configuring ATM Ser
35. Enabling Protocols on an ATM Service Record ssssssssseeee 6 11 Enabling Protocols on a PVC Service Record sss 6 13 Enabling Classical IP on an SVC Service Record sss 6 14 Enabling Protocols on an SVC Service Record Running LANE 802 3 6 15 ACGING IPN GS ERREICHEN SS 6 16 ATM Virtual Channel Link Parameters ccccccceceeeeeeeeeeeeeeaeeeeeeeeeseaeeseeneeessaeeeseneeesaas 6 17 Chapter 7 ATM Editing Basics Accessing ATM Windows essere eee nennen enne entren nnns 7 2 Using the Edit ATM Connector Window sssssseeeeneeeenmeeenn nenne 7 2 Using the Configuration Manager Protocols Menu sse 7 5 Selecting Service Attributes 2 2 cece ceeceeeeeeeeeeeceeenseeeeeeeeeseaeeeteaaeesaaeeseaeeesseeaeeesaeeneeeaees 7 6 Selecting Interface Attributes ssssssssssssseeeeeeee ener 7 10 Selecting Line Attributes ssesssssssseseseseseeenener nennen nennen nennen nns 7 11 Selecting ATM Sidfialifig tsar o e t dr e e t tee Ala ene redes 7 12 Selecting SAAL Attributes sse eene entente nennen 7 14 Selecting ILMI Attributes ssssssssssssssesee eee entnehmen nennen nennen nns 7 16 Assigning Data Encapsulation essssssseeseeeene eene 7 18 Encapsulation Methods ereina ae A A nennen nennen nnne 7 18 Selecting a Data Encapsulation Method ar
36. Figure 6 8 The ATM Virtual Channel Link Parameters window opens Figure 6 9 Figure 6 9 ATM Virtual Channel Link Parameters Window Enter the virtual path identifier VPI and virtual channel identifier VCD numbers that you want to use for the PVC Refer to the next section for guidelines Click on OK The Configuration Manager returns you to the ATM Virtual Channel Link window refer to Figure 6 8 If you want to change any of the parameters in the ATM Virtual Channel Link window refer to Chapter 8 for instructions If you want to add another PVC with the default configuration repeat Steps 1 through 3 Click on Done The Configuration Manager returns you to the ATM Service Records List window refer to Figure 6 5 6 16 Enabling ATM Service ATM Virtual Channel Link Parameters Use the following descriptions as guidelines when you configure the parameters in the ATM Virtual Channel Link Parameters window Note ATM does not allow duplicate VPI VCI pairs on the same ATM physical interface that is on the same link module However duplicate VPI VCI pairs can exist on different physical interfaces that is on different link modules Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID VPI Number None 0 to 255 Identifies the virtual path of the PVC The VPI virtual path identifier is part of the c
37. Interface ILMI To learn how to edit Go to this section In Service attributes Editing Service Attributes Chapter 8 Interface attributes Editing ATM Interface Attributes Chapter 8 Line attributes The ATM section Configuring Line Services ATM signaling Editing ATM Signaling Attributes Chapter 9 Signaling AAL SAAL Editing Signaling AAL Attributes Chapter 9 Interim Local Management Editing ILMI Attributes Chapter 9 7 4 ATM Editing Basics Using the Configuration Manager Protocols Menu When you access ATM windows using the Protocols menu in the Configuration Manager window Figure 7 3 you receive global information about every ATM interface on the router For example if you configure four ATM link modules on the router and you select Service Records from the Protocols menu the ATM Service Records List window displays all of the service records that you have configured on the router Configuration Mode TT eik 2 5SHMP gent 5 File Mamo tap mnt usrc21 techpubs Hodal Backbone Link Hode BLM HIH Verabnmn Syntes Resource Mora be Figure 7 3 Configuration Manager Protocols Menu To access an ATM attribute category window 1 Click on the Configuration Manager Protocols menu Figure 7 3 2 Click on ATM 3 Click on the desired ATM attribute category in the menu To learn more about each ATM attribute category go to the section in this chapter that describes each attribute category To learn mo
38. because the network interface has direct PVC access you have not set up the service yet or the VPI VCI has not been entered in the Adjacent Host Table ATM DXI simulates a broadcast packet by forwarding a copy of the message to each known PVC Simulated multicasting is generally used in certain address resolution techniques and for applications that require the delivery of identical information to multiple recipients ARP and Inverse ARP Support ATM DXI supports the ARP protocol enabling the router to dynamically resolve IP network layer protocol to VPI VCI address mappings ATM DXI learns the PVC address by detecting the PVC that received the ARP response ATM DXI also supports the Inverse ARP protocol However you can only use Inverse ARP if both the local and remote router support it Bay Networks uses proprietary methods for ARP and Inverse ARP These methods are not compatible with third party equipment that is equipment using the specifications in RFC 1577 ATM DXI Implementation Notes This section describes special features regarding how Bay Networks implements ATM DXI Configuring Synchronous Lines for ATM DXI If you enable ATM DXI on a circuit Site Manager automatically sets synchronous line parameters as follows Parameter Value BOFL Disable Promiscuous Enable Service Transparent WAN Protocol ATM DXI For more information about these parameters refer to Configuring Line Services
39. 2 1 4 1 113 Registration Refresh Interval 900 seconds for a client 1200 seconds for a server Any interval in seconds For a client this parameter specifies the interval between registration refreshes For a server this parameter specifies the duration for which the registration is valid Determine if ATMARP is running as a client or server on this interface and enter an appropriate value 1 3 6 1 4 1 18 3 5 3 2 1 4 1 115 Appendix D Sample ATM Network An ATM network often contains components both hardware and software that provide various forms of connectivity or necessary management functions This appendix e Illustrates how Bay Networks ATM hardware and software components logically fit together within a sample ATM network e Provides basic functional descriptions of the ATM hardware and software components used in the sample network This sample network Figure D 1 consists of all the components necessary to fully operate an ATM network Depending on how you configure the individual hardware and software components you can run standard ATM PVCs and SVCs configure logical IP subnets using RFC 1577 and create virtual LANs VLANs using LAN emulation D 1 Configuring ATM Services ATM Control Software ATM Router Backbone Node LattisCell Switches
40. 41 LEC Calling SIG Bind LE 8023 MCAST cct 3 bind id 2 49 11 03 95 11 44 59 316 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Bind Request ATM Layer Manager Outbound Bind Request ATM Layer Manager Outbound Bind Confirm 50 11 03 95 11 44 59 320 TRACE SLOT 5 ATM LE Code 38 Line 1405101 Circuit 3 ATM LEC Control SAP binding complete EC Calling SIG Register CPN cct 3 bind id 0 sig id 1 reg id 0 51 11 03 95 11 44 59 320 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Register Request ATM Layer Manager Outbound Register Confirm 52 11 03 95 11 44 59 320 TRACE SLOT 5 ATM_LE Code 41 LEC Calling SIG_Register BLLI cct 3 bind_id 0 sig_id 1 reg_id 1 E 6 ATM Sample Log 53 11 03 95 11 44 59 320 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Register Request 54 11 03 95 11 44 59 324 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Outbound Register Confirm 55 11 03 95 11 44 59 324 TRACE SLOT 5 ATM LE Code 41 EC Transitioning into the ATM LEC INITIAL state for cct 3 Line 1405101 Circuit 3 ATM LEC MCast SAP binding complete EC Calling SIG Register CPN cct 3 bind id 2 sig id 2 reg id 2 56 1
41. 5 4 One PVC per Service Record Assigning one PVC per service record allows you to dedicate a PVC to a particular protocol but at the expense of some configuration overhead memory and address space This type of configuration is best suited to small nonmeshed configurations or to configurations in which protocols must reside on separate PVCs Note The maximum number of PVCs you can configure in this way varies depending on the configuration of the router the number of protocols running on the circuits and the number of routing entries 5 9 Configuring ATM Services Hybrid Access PVCs do not typically allow for bridging in nonmeshed environments If your network combines bridging and routing over the same interface you need to use the service record portion of each PVC for routing while at the same time allow bridging to operate To do this you must define the PVC as a hybrid bridged VC Defining the PVC as a hybrid bridged VC allows the bridge to view each PVC as a separate bridge interface while allowing the routing protocols to view all PVCs as part of the same interface Figure 5 5 Use hybrid PVCs when creating nonmeshed network configurations that use both bridging and routing over a single ATM interface These PVCs work best for spanning tree bridging Bridge protocol sees two interfaces to the network ATM Direction of Data Routing Protocol Network Interface lt gt Pl
42. A 5 Configuring ATM Services Table A 12 ATM Control VC for Signaling Window Parameter Default Xmit Peak Cell Rate cells s 4716 Xmit Sustainable Cell Rate cells s 4716 Xmit Burst Size cells 40 Maximum AAL CPCS Transmit SDU Size 4608 Maximum AAL CPCS Receive SDU Size 4608 Table A 13 ATM Signaling AAL Records List Window Parameter Default Enable Enable Link Connection Arbitration Active Poll Timer 7 Keep Alive Timer 20 No Response Timer 70 Connection Control Timer 10 Max Connection Control 4 Max PD Before Poll 25 Max Stat PDU Elements 67 Site Manager Default Settings for ATM Table A 14 ATM ILMI Signaling Parameters Window Parameter Default Enable Enable ILMI VPI 0 ILMI VCI 16 ILMI Get Timer 3 ILMI Get Retry Count 3 ILMI Get Next Timer 3 ILMI Get Next Retry Count 3 ILMI Set Timer 3 ILMI Set Retry Count 3 Table A 15 ATM Control VC for ILMI Window Parameter Default Xmit Peak Cell Rate cells s 4716 Xmit Sustainable Cell Rate cells s 4716 Xmit Burst Size cells 40 Maximum AAL CPCS Transmit SDU Size 4608 Maximum AAL CPCS Receive SDU Size 4608 Table A 16 ATM ARP Configuration Window Parameter Default ATM ARP Mode Client ARP Server ATM Address Network Prefix None ARP Server ATM Address User Part None A 7 App
43. Address None Depend on the data link you have selected Specifies the MAC address of the adjacent host This value can be e A 48 bit physical address e A 64 bit SMDS address e AnATM VPI VCI pair for ATM PVCs e The ATM address of the ATM interface for ATM SVCs Enter the MAC address as a 12 digit hexadecimal number canonical format a 32 digit hexadecimal number SMDS a VPI VCI pair for example 0 32 or a 40 digit ATM address for example 390000000000000000000000000000A20037B801 1 3 6 1 4 1 18 3 5 3 2 1 6 1 6 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Host Encapsulation Ethernet Ethernet SNAP PDN DDN SNAPIP NULL Specifies the adjacent host s encapsulation method Select Ethernet or SNAP Subnetwork Access Protocol if you are defining a point to point network interface or if the adjacent host resides on an Ethernet For an X 25 interface select PDN or DDN For an adjacent host on an ATM logical IP subnet select SNAP SNAPIP and NULL also specify host encapsulation methods for ATM networks 1 3 6 1 4 1 18 3 5 3 2 1 6 1 7 Adjacent Host X 121 Address None Any valid X 121 address Specifies the X 121 address of the adjacent host Ignore this parameter You specify an X 121 address only if this is a PDN X 25 DDN X 25 or BFE X 25 connection 1 3 6 1
44. Control 4 to 20 Defines the SSCOP Maximum Connection Control CC value This value sets the maximum number of times the sender can transmit a BGN END RS or ER PDU Accept the default 4 or enter a value from 1 to 20 1 3 6 1 4 1 18 3 4 23 1 8 1 13 Max PD Before Poll 25 to 120 Defines the SSCOP Maximum Poll Data PD value This value sets the maximum value of the poll data state variable before transmitting a POLL PDU The poll data state variable increments upon transmission of a Sequenced Data SD PDU and resets to zero upon transmission of a POLL PDU Accept the default 25 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 8 1 14 Max STAT PDU Elements 67 Odd integers from 3 to 119 Defines the SSCOP Maximum STAT value This value sets the maximum number of list elements allowed in a STAT PDU The sending device uses the value of this parameter for segmentation purposes When the number of list elements exceeds the Max STAT value the STAT message segments As a general rule the default value 67 causes the STAT PDU to fill six ATM cells using AAL 5 Accept the default 67 or enter an odd integer from 3 to 119 1 3 6 1 4 1 18 3 4 23 1 8 1 15 9 25 Configuring ATM Services Editing ILMI Attributes The ILMI attributes define the SNMP timer and retry limits for registration with the ATM switch To edit ILMI parameters 1 In the Edit ATM Connector window refer to Figure 9 1 click on Interi
45. KK KKK KKK KKK kk Sk Sk kk ck ck KKK KKK KKK KK KKK KK KK The VCCs for signaling 0 5 and ILMI 0 16 automatically activate KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK Configuring layer 2 Q SAAL General Configuring SAP 0 of layer 2 Q SAAL KKK KKK ck ck ck KKK KKK KKK KKK kk kk Sk ck ck kk kk Ck KKK KKK KKK kk Ck Ck kk kk ck ck KKK KKK KKK KKK KKK KKK Q SAAL is a reliable transport mechanism used by signaling SAAL signaling ATM adaptation layer Ckckckckckckckckck KKK KKK ck ck kk Ck Ck kk kk Sk ck KKK KKK KKK KKK KKK KKK Ck kk Sk Sk kk ck ck KKK KKK KKK KKK KKK KKK E 3 Configuring ATM Services 25 11 03 95 11 44 58 902 DEBUG SLOT 5 ATM_SIG Code 24 FSMatmlmst sig vmricall ref 2 State VC MOD MSGWAIT Event VC MOD RSP Configuring layer 2 UME General Configuring SAP 0 of layer 2 UME KKK KKK KKK KKK KKK ck ck kk kk kk kk Sk ck KKK KKK KKK KKK KKK KKK Ck Ck kk Sk kk KKK KKK KKK KKK KKK KKK UME refers to ILMI KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 26 11 03 95 11 44 58 917 DEBUG SLOT 5 ATM_SIG Code 24 UME User General Configuration Configuring SAP 0 of layer 3 27 11 03 95 11 44 58 921 DEBUG SLO 5 ATM SIG Code 24 ATM Layer Manager Inbound SSCOP Status Indication 28 11 03 95 11 44 58 925 DEBUG SLO 5 ATM SIG Code 24 SSCOP Status Indication su 0 ev 3 ui 3 sscf 3 s
46. KKK E 7 Configuring ATM Services 3 11 03 95 11 44 ATM Layer Manager Inbound ATM FSM atmlmst cing rr call ref Event ATM VC RESERVE RSP MS 64 11 03 95 11 44 59 335 DEBUG SLO ATM Layer Manager Outbound Co 65 11 03 95 11 44 59 917 DEBUG SLO ATM Layer Manager Inbound SSC SSCOP Status Indication su 0 SSCOP Status Indication PROT ATM Layer FSMatmlmst ATM Releas ATM Layer ATM Layer 66 11 03 95 11 44 59 917 WAR 01 Circuit 3 ATM Line 14051 value 41 67 11 03 95 11 44 59 921 WAR LEC could not open Config Direct VCC reason 3 59 332 DEBUG VC Reserve Respons SLOT 5 ATM SIG 3 State RESERVE WAIT nnect Request 5 A 5 A SIG SIG OP Status Indication Code 24 Code 24 Code 24 v 4 ui 1 sscf 0 sscop 0 1i 3 ST DN anager Inbound Signalling Release Indication anager Inbound AT anager Outbound Cl 3 cid 5 vpi vci VC Release Respons ose Indication ING SLOT 5 ATM_LE EC Close Indication ING SLOT 5 ATM_LE tri nws call ref 3 State NETWORKWAIT Event AMUIAMTRELIND e request call ref 0 0 Code 27 call ref 3 cause Code 34 KKK KKK KKK KKK KKK KKK KKK kk kk Sk ck KK KKK KKK KK KKK KKK KK Ck kk Sk Sk kk ck kk Ck kk KKK KKK KK KK KK The LE client could not open the Config Direct VCC Cause value 41 in line 66 indicates a temporary failure Ca
47. LAN Emulation Clients The LAN emulation client LE client or LEC is the interface or virtual portion of an interface through which an endstation forwards data resolves addresses and provides other control functions The LE client provides the MAC level emulated Ethernet or Token Ring service interface to the higher level software It also controls the LAN emulation UNI LUND interface when communicating with other devices on the emulated LAN LAN Emulation Configuration Server The LAN emulation configuration server LECS assigns individual LE clients to different emulated LANs The LECS does this by giving the client the ATM address of the LAN emulation server LES This method allows you to assign a client to an emulated LAN based on the client s physical location ATM address or the identity of a LAN destination it represents The LE client uses the configuration protocol to obtain information from the LECS This configuration protocol allows the LE client to locate the LES and set up a bidirectional control direct virtual channel connection The LE client automatically obtains all of the necessary configuration data including the LES address from the LECS B 2 ATM LAN Emulation Overview LAN Emulation Server The LES controls and coordinates LE client access to the emulated LAN When an LE client joins an emulated LAN it registers its ATM address with the LES When it obtains the ATM address of the LE client the LES al
48. List window all new PVCs that you add to that service record use the new value e You must assign a data encapsulation type to hybrid mode PVCs individually using the ATM Virtual Channel Link window You cannot assign data encapsulation to a hybrid mode PVC using the service record e When you use the copy function the new PVC uses the data encapsulation type of the existing PVC Using ATM Protocol Menus Depending on the type of virtual circuit you are using ATM requires you to add delete and edit protocols using specific protocol menus Refer to Table 7 3 to locate and use the appropriate protocol menu for each access mode Table 7 3 Locating and Using Protocol Menus Menu Location PVCs and SVCs Hybrid PVCs Only ATM Service Record List window vt vi ATM Virtual Channel Link window v For nonbridging protocols T For bridging protocols Remember hybrid PVCs use their service record configurations for nonbridging protocols and their individual configurations for their bridging protocols Refer to Chapter 5 for hybrid access mode implementation notes 7 21 Configuring ATM Services Using the Service Record Protocols Menu Each ATM service record globally controls e All protocols for any standard PVCs and SVCs that it contains e All nonbridging protocols for any hybrid PVCs that it contains To add or delete a protocol 1 Inthe Edit ATM Connector window refer to Figure 7 2 click on Servic
49. PCR 9 18 Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters e If you know the user average rate set the SCR about 10 percent higher than this value e ATM ARE ILI pairs require a minimum SCR value of 128 cells s VCs may fail to operate with SCR values less than 128 cells s e ATM ARE ILI pairs allow you to enter an SCR value of 0 Entering 0 for the SCR turns off this function e The E 3 framing mode setting affects the maximum SCR After you determine the transmission rate of your ATM device set the sustainable cell rate within the range specified above For ATM ARE ILI pairs you can enter 0 to turn off this function 1 3 6 1 4 1 18 3 4 23 1 5 1 9 Xmit Burst Size cells 40 1 to 65535 For ATM FRE2 ILI pairs the Maximum Burst Size is the maximum length of a cell stream on a particular VC The MBS specifies the maximum number of sequential cells allowed on a VC at the peak cell rate before the VC must relinquish bandwidth to other VCs When setting the MBS we suggest that you select a value larger than the largest packet your PVC or Control VC can transmit that is the Maximum AAL CPCS Transmit SDU size For example if your VC accepts packets that are less than 2358 bytes long PVC default set your MBS value between 45 and 50 cells Set a value in the specified range 1 3 6 1 4 1 18 3 4 23 1 5 1 10 N
50. PVC You must select and configure any desired protocols for the newly copied PVC If you want to edit the default configuration of the PVC go to Editing PVC Configuration Parameters later in this chapter 4 10 Editing ATM DXI Parameters ATM DXI Virtual Circuit Parameter Descriptions Use the following descriptions as guidelines when you configure the parameters in the ATM DXI Virtual Circuit window Note ATM DXI does not allow duplicate VPI VCI pairs on the same ATM physical interface that is on the same link module However duplicate VPI VCI pairs can exist on different physical interfaces that is on different link modules Parameter VPI Number Default None Range 0 to 255 Function Identifies the virtual path of the PVC Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID If you select Mode 1A or 1B for the DXI Mode value enter a value from 0 to 15 If you select Mode 2 or Mode 2 Proprietary enter a value from 0 to 255 1 3 6 1 4 1 18 3 5 9 5 14 1 3 VCI Number None 32 to 65535 Identifies the virtual channel of the PVC If you select Mode 1A or 1B for the DXI Mode value enter a value from 32 to 63 If you select Mode 2 or Mode 2 Proprietary enter a value from 32 to 65535 1 3 6 1 4 1 18 3 5 9 5 14 1 4 Configuring ATM Services Editing PVC Configuration Parameters To edit PVC configuration parameters complete the following pr
51. PVC or for a group of VCs at any given time PVC Access Methods You can set up PVCs to access an ATM network in the following ways e Multiple PVCs per service record One PVC per service record e Hybrid access PVCs The following sections describe each form of access Multiple PVCs Upper layer protocols treat each service record on an ATM network interface as a single access point These protocols use a single network address to send all traffic destined for the network to the ATM network interface Figure 5 3 shows a conceptual drawing of multiple PVCs accessing an ATM network through one service record 5 7 Configuring ATM Services Upper layer Protocol ATM Physical Interface pesa M SisA Service PVC Record PVC ATM Network lt sc Figure 5 3 Multiple PVCs per Service Record Of the different methods having multiple PVCs per service record uses network addressing most efficiently and is the easiest to configure Although you need to configure each PVC manually you need only define and associate protocols with the ATM network service record All the PVCs that you configure for a given ATM service record carry the protocols that you select and configure to run on that service record Note When you configure multiple PVCs per service record the PVCs all use the data encapsulation type that you set for the ATM service record that is the value of the Data Encapsulation Type
52. Parameter Descriptions Use the following descriptions when editing the parameters in the ATM Signaling Parameters window Parameter Default Options Function Instructions MIB Object ID Enable Enable Enable Disable Enables or disables ATM signaling on this interface Accept the default Enable if you want signaling to remain enabled on this interface Set to Disable if you do not want signaling enabled on this interface 1 3 6 1 4 1 18 3 4 23 1 7 1 2 Note When you disable signaling on the interface the ATM Service Record Parameters window automatically sets the Data Encapsulation Type parameter to LLC SNAP and the Virtual Connection Type parameter to PVC Parameter Default Range Function Instructions MIB Object ID Max Number of SVC Applications 20 1 to 32767 Identifies the maximum number of service access points SAPs allowed for this circuit The number of SAPs corresponds to the number of LAN emulation or IP RFC 1577 clients allowed for the circuit Accept the default 20 or enter a value from 1 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 6 9 4 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters Max Point to Point Connections 1000 0 to 32767 Identifie
53. Prefix Options ATL Figure 7 20 ATM Service Records List Window PVC Selected 7 25 Configuring ATM Services 2 Click on the service record containing the hybrid access PVC for which you want to add or delete protocols 3 Click on PVC The ATM Virtual Channel Link window opens Figure 7 21 ATH ARE Slot 3 ATA WPI Apply Help ED Hybrid ridged Wr Administrative State mit Peak Cell fate cel besos 2a mit Seotdlnsble Coll Rate colla a zung mit Hurat Sire colini Maximum F L OPCS Transmit SWU Sime Figure 7 21 ATM Virtual Channel Link Window Hybrid PVC 4 Click on a hybrid PVC The Protocols menu in the upper left corner of the window becomes active 5 Click on Protocols 7 26 6 ATM Editing Basics Click on Add Delete The Select Protocols window opens Figure 7 22 Figure 7 22 Select Protocols Window Hybrid PVC 7 Select or deselect the bridging protocols that you want to add to or delete from the PVC Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring protocols the Configuration Manager returns you to the ATM Service Records List window For each protocol you deselect the Configuration Manager removes that protocol from the hy
54. Sample ATM Network 2 Click on Service Attributes The ATM Service Records List window opens Figure D 3 E Slot 3 Slot 3 7 RFC 1380 HULL SVC Slot 3 RFC 1480 LLC FYC Slot X RFC 1485 HULL PVE n ODIT TES FHABLE User Part utmgereratidgn FHABL E ATA Addr Uker Part pr CMJ HERE MOE ATA Addr Het Prefix Opticnal BTU Figure D 3 ATM Service Records List Window D 7 Configuring ATM Services 3 Click on Add The ATM Service Record Parameters window opens Figure D 4 The default settings for the Data Encapsulation Type parameter LANE 802 3 and Virtual Connection Type parameter SVC are correct for LAN emulation Do not edit these parameters Data Encapsulation Type Virtual Connection Type leer Pt fytopenerat ion ATH Grice User Part ATH Addr Het Prefix Optio Ernilmted LAH Home DEFAULT ELAH Figure D 4 ATM Service Record Parameters Window 4 Enter the appropriate ATM address components and the name of the emulated LAN that you want this LE client to join Refer to Chapter 8 for ATM service record parameter descriptions Note f you do not enter an ATM address user part the Configuration Manager uses either the MAC address of the interface or the MAC address override value from the ATM Interface Attributes window to complete the first 6 bytes of the address The Configuration Manager then adds a selector byte unique to this interface to complete the address D 8 Sample
55. The ATM Virtual Channel Link Parameters window opens refer to Figure 8 7 6 Enter the VPI and VCI numbers that you want to use for the PVC Refer to the following section for guidelines 7 Click on OK The Configuration Manager returns you to the ATM Virtual Channel Link window The window displays the default parameter values for this PVC If you want to change the default configuration complete the procedure described in the section Editing Virtual Channel Link Parameters Caution When copying a hybrid PVC the copy function copies all existing PVC specific information to the new PVC However this function does not copy the protocols that you selected and configured for that PVC You must select and configure any desired protocols for the newly copied PVC 8 16 Editing ATM Service and Interface Parameters ATM Virtual Channel Link Parameter Descriptions Use the following descriptions when setting the parameters in the ATM Virtual Channel Link Parameters window Note ATM does not allow duplicate VPI VCI pairs on the same physical interface that is on the same link module However duplicate VPI VCI pairs can exist on different physical interfaces that is on different link modules Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID VPI Number None 0 to 255 Identifies the virtual path of the PVC T
56. VPI Number None VCI Number None A 3 Configuring ATM Services Table A 9 LAN Emulation Parameters Window Parameter Default Enable Enable Owner None Configuration Mode Automatic LEC LAN Type Unspecified Maximum Data Frame Size Unspecified ELAN Name None LE Server ATM Address None Control Timeout 5 Max Unknown Frame Count 1 Max Unknown Frame Time 1 VCC Timeout Period Enable Enable Max Retry Count 1 Aging Time 300 Forward Delay Time 15 Expected LE ARP Response Time 3 Flush Timeout 4 Path Switching Delay 6 Flush Protocol Enable LE Config Server ATM Address None Table A 10 ATM Interface Attributes Window Parameter Default Administrative State Up Enable ATM Signaling Enable Use Hardware MAC Address Enable MAC Address Override None Site Manager Default Settings for ATM Table A 11 ATM Signaling Parameters Window Parameter Default Enable Enable Max Number of SVC Applications 20 Max Point to Point Connections 1000 Max Point to Multipoint Connections 40 Max Parties in Multipoint Connections 1 Min Memory Threshold 20 VPI 0 VCI 5 T303 4 T308 30 T309 10 T310 10 T313 4 T316 120 T316c 120 T322 4 TDisc 4 T398 4 T399 14 Num Restarts Permitted 3 Num Stat Enquiries Permitted 3 Num Messages Sec for Call Pacing 2
57. are reserved These VCs remain in an operational state as long as signaling is enabled on the ATM interface Because most ATM devices use these VPI VCI pairs for signaling we recommend that you not change these values 9 27 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID ILMI VCI 16 1 to 65535 Defines the virtual channel identifier VCI for the ILMI VC Accept the default 16 or enter a value from 1 to 65535 1 3 6 1 4 1 18 3 4 23 1 9 1 9 Caution The signaling VC 0 5 and the ILMI VC 0 16 are reserved These VCs remain in an operational state as long as signaling is enabled on the ATM interface Because most ATM devices use these VPI VCI pairs for signaling we recommend that you not change these values Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID ILMI Get Timer 3 to 120 Defines the ILMI Get Request timer value in seconds The Get Request timer sets the amount of time allowed to receive a GET RESPONSE message after sending a GET REQUEST message Accept the default 3 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 9 1 13 ILMI Get Retry Count 3 1 to 100 Specifies the number of retransmissions of the ILMI GET REQUEST message before the link is considered down Accept the default 3 or enter a value from 1 to 100 1 3 6 1 4
58. clears the call Accept the default 4 or enter a value from 1 to 24 1 3 6 1 4 1 18 3 4 23 1 7 1 32 TDisc 4 1 to 180 Defines the SAAL Data Link Disconnect timer value in seconds This internal timer alerts upper layers that the link is down The timer begins if the entire link goes down for any reason When the link goes down the SAAL layer sends a DISCONNECT REQUEST message to the upper layer application manager The SAAL layer sends a disconnect request every time the SAAL Data Link Disconnect timer expires and continues to send this message until the link becomes operational Accept the default 4 or enter a value from 1 to 180 1 3 6 1 4 1 18 3 4 23 1 7 1 33 9 12 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters T398 4 1 to 24 Defines the Drop Party Sent timer value in seconds This timer applies to multipoint connections only and begins when the circuit sends a DROP PARTY message to a party the receiver of the message on the network The Drop Party Sent timer stops when the circuit receives a DROP PARTY ACKNOWLEDGE message indicating that the endpoint used for the party has been released or a RELEASE message indicating that the endpoint used for the party has been released and there are no remaining parties Accept the default 4 or enter a value f
59. configure automatically Select Manual if you do not want the router to auto configure 1 3 6 1 4 1 18 3 5 9 5 20 1 1 5 LEC LAN Type Unspecified Unspecified IEEE8023 Indicates the data frame format this client uses when it joins an emulated LAN Clients that use Automatic configuration mode use this parameter in their LE CONFIGURE REQUEST frames Clients that use Manual configuration mode use this parameter in their LE JOIN REQUEST frames Selecting manual configuration mode refer to the parameter description above automatically sets the LEC LAN Type to the 802 3 option Accept the default Unspecified if you want the client to obtain the LAN type from the LAN emulation configuration server LECS when it joins an emulated LAN Select IEEE8023 if you want the client to join only Ethernet emulated LANs 1 3 6 1 4 1 18 3 5 9 5 20 1 1 6 Note Bay Networks routers currently support only Ethernet IEEE 802 3 emulated LAN connectivity When accepting the default Unspecified ensure that the LECS supplies a configuration for an IEEE 802 3 emulated LAN 8 29 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Maximum Data Frame Size Unspecified Unspecified 1516 Defines the maximum data frame size in octets that this client uses when it joins an emulated LAN Clients that use Auto
60. creating a CS protocol data unit PDU AAL 3 4 divides the PDU into 44 octet segments Each segment is encapsulated with a segmentation and reassembly SAR header and trailer creating a 48 octet SAR PDU This 48 octet SAR PDU is the payload of the ATM cell Figure 1 4 Service Service Data Unit SDU Class AAL 3 4 Convergence Sublayer a Header Trailer me eame pea SAR Layer I Saou Trailer ca arial Figure 1 4 ATM Adaptation Layer 3 4 Configuring ATM Services AAL 5 In AAL 5 only a trailer attaches to the data from the higher layer protocols to create a CS PDU AAL 5 divides the PDU into a 48 octet SAR PDU however it does not add an SAR header and trailer This 48 octet SAR PDU becomes the payload of the ATM cell Figure 1 5 Service Service Data Unit SDU Class Convergence Sublayer PANES VES Note AAL 5 does not attach an SAR header or trailer to the PDU Figure 1 5 ATM Adaptation Layer 5 1 6 ATM Overview Data Transmission Data transmission also called cell switching through the ATM network relies on the establishment of logical connections between ATM entities ATM is a connection oriented service This means that an ATM entity cannot transmit information until it establishes a connection with a receiving entity These connections consist of virtual channels virtual paths and transmission paths A virtual channel is a logical connection between two communic
61. data This means that the bridge cannot direct the data to Site B To resolve this problem you need to designate the PVCs as hybrid bridged VCs If you define the PVCs as hybrid VCs refer to Figure 5 5 each PVC acts as a separate bridge port This enables the bridge running on the ATM interface to view the traffic from Site A as arriving on a different port than that of Site B When the bridge sends out data it now has access to all its ports including the port that accesses Site B Therefore data from Site A can reach Site B Configuring ATM Services SVC Access Methods SVCs use signaling messages to dynamically establish maintain and clear a switched virtual connection at the UNI These messages as defined by the Q 2931 standard for signaling protocol allow the router to assess the availability of an ATM endpoint device establish a connection with that device maintain that connection for the duration of data transfer and then clear the connection when the transfer is complete ATM Traffic Parameters The ATM User Network Interface Specification defines several traffic parameters These parameters help to prioritize and control the traffic on each VC How you assign your ATM traffic parameters depends on e The characteristics for example maximum cell rate average cell rate burst size of the individual connections that you want to set up e The bit rate method variable or available that the ATM ILI pair uses
62. it is valid the encapsulation method then strips the header from the cell and passes it to the appropriate SAP for routing or bridging Depending on the VC type ATM allows you to use either LLC SNAP NULL or LANE 802 3 encapsulation 5 3 Configuring ATM Services Interim Local Management Interface ILMI In a switched ATM network an ATM device must register its ATM address with an ATM switch The router uses ILMI to send and receive initial registration data to and from an ATM switch Using a series of ILMI SNMP set and get commands the router 1 Initializes its ATM address table for the interface the switch also initializes its address table for the interface 2 Receives the ATM Address Network Prefix from the switch Combines this Network Prefix with its own User Part suffix 4 Transmits the entire address to the switch ARP and Inverse ARP Support ATM supports address resolution protocol ARP enabling the router to dynamically resolve IP network layer protocol to VPI VCI address mappings ATM learns the address of the virtual circuit by detecting the virtual circuit that delivered the ARP response ATM also supports Inverse ARP However you can use Inverse ARP only if both the local and remote router support it Bay Networks uses both proprietary and standard ARP and Inverse ARP for PVCs that run IP Which method the PVC uses depends on how you configure the address resolution parameter for the IP interfa
63. networks For additional information regarding LattisCell features and how to install and use the LattisCell refer to Using the Model 101xx LattisCell ATM Switch D 3 Configuring ATM Services Function of the EtherCell Switch The EtherCell Ethernet to ATM switch connects existing Ethernet networks or endstations to ATM networks using high speed data switching This device supports twelve 10BASE T Ethernet interfaces and one ATM SONET SDH 155 Mb s UNI interface The EtherCell performs the following five primary functions Registers its interfaces with the Connection Management System CMS Sets up and clears calls through the CMS e Segments Ethernet packets into ATM cells e Reassembles ATM cells into Ethernet packets e Communicates with the multicast server MCS to coordinate virtual LAN configuration For additional information regarding EtherCell features and how to install and use the EtherCell refer to Using the Model 10328 X EtherCell Ethernet to ATM Switch Function of the Router ATM ILI Pair ATM router link modules interact with specific processor modules to form intelligent link interface ILI pairs These ILI pairs provide the connection and processing that allows the router to connect directly to an ATM network and route information to other local or wide area networks that it supports Bay Networks currently provides the following ATM ILI pairs e An ATM FRE2 link module in conjunction with a Fast Rou
64. own The LE client receives the copy of this request from the LES because the address for which it is sending an ARP request is currently not registered with the switch Under these circumstances the LES forwards the ARP request to all clients that have successfully joined the emulated LAN as proxy agents KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KK LEC Control Packet 158 11 03 95 11 45 17 195 DEBUG SLOT 5 ATM_LE Code 45 Opcode ARP Req_Type RESPONSE Status SUCCESS Transaction_Id 00000001 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec Targ ATM Address 39000000000000000000000000 0000a20d72e2 00 Dest LAN 00 00 a2 0d 72 e2 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN aS KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KK KK KK The LE client has received an LE ARP response for the previous LE ARP request which it sent out The LEC now knows to associate MAC address 00 00 a2 0d 72 e2 with ATM address 39000000000000000000000000 0000a20d72e2 00 The LE client now tries to open up a Data VC to the remote LEC KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KK KK KK 159 11 03 95 11 45 17 195 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC REQ E 20 160 EC 11 03 95
65. parameter 8 31 Max Unknown Frame Time parameter 8 32 Maximum AAL CPCS Receive SDU Size parameter 8 25 9 20 9 35 Maximum AAL CPCS Transmit SDU Size parameter 8 25 9 20 9 35 Maximum Burst Size MBS description of 5 17 parameter ILMI Control VC 9 34 PVC 8 24 Signaling Control VC 9 19 Maximum Data Frame Size parameter 8 30 maximum transmission unit parameter See MTU parameter MBS parameter ILMI Control VC 9 34 PVC 8 24 Signaling Control VC 9 19 MCS role of D 5 Min Memory Threshold parameter 9 6 Mode parameter 4 14 modes of operation ATM DXI 2 6 to 2 7 MTU parameter 8 12 multicast packet support ATM 5 6 ATM DXI 2 4 Multicast parameter 4 7 4 16 Multicast Server MCS role of D 5 Multipath mode setting PVCs for 4 22 to 4 24 multipath support 2 12 to 2 13 multiprotocol encapsulation 5 3 Multiprotocol Encapsulation parameter ATM DXI Interface List window 4 6 ATM DXI PVC List window 4 15 N Network Management Application NMA software role of D 6 Next Hop Interface Addr parameter C 15 NMA role of D 6 No Response Timer parameter 9 24 NULL definition of 7 18 See also Data Encapsulation Num Messages Sec for Call Pacing parameter 9 14 Num Restarts Permitted parameter 9 14 Num Stat Enquiries Permitted parameter 9 14 O Operational State LAN emulation B 6 Owner parameter 8 28 Index 6 P parameter defaults ATM A 2 to A 7 ATM DXI A 1 to A 2 Path
66. siii eaea i aana ta iaeaea iaaa 5 13 Table 6 1 Valid Data Encapsulation Types for PVCs and SVOs s 6 7 Table 6 2 Supported Protocols iru ern E ER Waa Pun ea 6 12 Table 7 1 Finding Editing Instructions Edit ATM Connector ssss 7 4 Table 7 2 Finding Editing Instructions Protocols Menu essere 7 6 Table 7 3 Locating and Using Protocol Menus sese 7 21 Table 8 1 Valid Data Encapsulation Types for PVCs and SVCS ss 8 3 Table A 1 ATM DXI Interface List Window sessemmmRRe A 1 Table A 2 ATM DXI Virtual Circuit Window esee A 1 Table A 3 ATM DXI PVC List Window renennrvnrnnvrnnnnrvnrnnrrnnnnnvnnnrrrennnnrnnrerressnnrnnnenne A 2 Table A 4 Initial ATM Signaling Config Window uarnnvnnnnrrnnnnnvnnenvrvnnnnrnnrerrenrnnrnnsenne A 2 Table A 5 ATM Service Records List Window rrnnnrrnnnnnvnnnnnvennnnrrvnnnnvnnnrrrennnnnnnnenne A 2 Table A 6 ATM Service Record Parameters Window rrnannrnnrnrrrnnnnnvnnerrrennnnnnnnnnnne A 3 Table A 7 ATM Virtual Channel Link Window eeenrnrrrvnrrrnnrvrnnrrnnnrrrnrrrrsrrrnnrrrnsrrnnnernn A 3 Table A 8 ATM Virtual Channel Link Parameters Window esses A 3 Table A 9 LAN Emulation Parameters Window rurrrnnrnnnnnonnnvrnnnnnnnrrrnnrnrnnrrnnnrrnnnnnn A 4 Table A 10 ATM Interface Attributes Window seemmHHH A 4 Table A 11 ATM Si
67. that is when the circuit sends an AAL ESTABLISH REQUEST and receives an AAL ESTABLISH CONFIRM message If the timer expires before the circuit can re establish SAAL the circuit clears the connection Accept the default 10 or enter a value from 1 to 540 1 3 6 1 4 1 18 3 4 23 1 7 1 27 9 8 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters T310 10 1 to 60 Defines the Call Proceeding Received timer value in seconds This timer begins when the circuit receives a CALL PROCEEDING message from the network If the signaling does not receive a CONNECT or RELEASE message before this timer expires it clears the connection for that virtual circuit Accept the default 10 or enter a value from 1 to 60 1 3 6 1 4 1 18 3 4 23 1 7 1 28 T313 4 1 to 24 Defines the Connect Sent timer value in seconds This timer begins when the circuit sends a CONNECT message to the network The Connect Sent timer stops when the circuit receives a CONNECT ACKNOWLEDGE message from the network indicating the completion of the ATM connection for that interface If the timer expires before the circuit receives a CONNECT ACKNOWLEDGE message the circuit clears the connection Accept the default 4 or enter a value from 1 to 24 1 3 6 1 4 1 18 3 4 23 1 7 1 29 9 9 Configuring ATM Service
68. the address The Configuration Manager then adds a selector byte unique to this interface to complete the address 3 Click on OK The Select Protocols window opens The contents of this window vary depending on the settings in the ATM Service Record Parameters window 4 Goto the next section Enabling Protocols on an ATM Service Record 6 10 Enabling ATM Service Enabling Protocols on an ATM Service Record Depending on the data encapsulation type and virtual connection type PVC or SVC you choose for the service record the Configuration Manager provides the Select Protocols window containing one of three protocol lists Figure 6 7 Sal ct Pratacalz alast Pratacalr Salmct Protocole For PVCs For SVCs Using LLC SNAP or NULL For SVCs Using LANE 802 3 Figure 6 7 Select Protocols Windows Configuring ATM Services Table 6 2 lists all supported protocols for standard PVCs and SVCs using LLC SNAP NULL or LANE 802 3 data encapsulation Table 6 2 Supported Protocols SVC Using LLC SNAP PVC or NULL RFC 1577 SVC Using LANE 802 3 Bridge IP Bridge Spanning Tree RIP Spanning Tree Native Mode LAN BGP Native Mode LAN IP OSPF IP RIP RIP EGP BGP BGP OSPF OSPF DECnet IV BOOTP IPX IGMP RIP SAP DVMRP AppleTalk NetBIOS LLC2 DECnet IV DLSw IPX RIP SAP XNS RIP XNS AppleTalk
69. the frame size is valid If the packet contains an invalid header the router drops the packet updates the appropriate MIB statistic and logs the appropriate event Note 7he ETag and BTag fields verify that the reassembled AAL3 4 Common Part Convergence Sublayer CPCS frame is not just two frames concatenated together If these two fields do not match then the frame is most likely the concatenation of two frames ATM DXI LMI Support The router supports a proprietary version of the ATM DXI Local Management Interface LMI This proprietary version of the LMI was a precursor to the standardized ATM Forum version LMI uses an SNMP like protocol to query network management statistics maintained on the DSU CSU MIB The DSU CSU may also send asynchronous events in the form of trap messages to the router Simulated Multicast Packet Support The ATM DXI interface supports multicast packets enabling the router to take advantage of multicast functionality if it is available from the ATM network ATM multicasting reserves selected network assigned VPIs VCIs as multicast addresses The ATM network maps multiple recipients to a single VPI VCI and delivers copies of all ATM cells to each member of the address group As a cell passes through the ATM network the network manipulates the cell to reveal the actual source to the cell recipient 2 4 ATM DXI Features and Implementation Notes If no multicast address is available for the protocol
70. to 100 MIB Object ID 1 3 6 1 4 1 18 3 4 23 1 9 1 18 Editing the ATM ILMI Control VC To edit ATM ILMI VC parameters 1 In the Edit ATM Connector window refer to Figure 9 1 click on Interim Local Management Interface ILMI The ATM ILMI Signaling Parameters window opens Figure 9 7 LHI Cipraling Faramatarz Done Apply ILAI Ypi ILHI Voi ILHI Get Timer ILHI Get Fetry Count ILA Get Next Timer Figure 9 7 ATM ILMI Signaling Parameters Window 9 30 Editing ATM Signaling and ILMI Parameters 2 Click on the interface that you want to edit The settings for that interface appear in the boxes next to each parameter 3 Click on ILMI VC The ATM Control VC for ILMI window opens Figure 9 8 Smit Fenk Cell fate frells aj mit Susteinsthle Cell Ratelcellsfa mit Burst Size foells Hmximum A OPCS Transmit S Size Ha Leum ASL OPCS Receive MU Sire Figure 9 8 ATM Control VC for ILMI Window 4 Assign values to the ILMI VC parameters Refer to the following section for guidelines 5 Click on Apply The Configuration Manager updates the configuration file 9 31 Configuring ATM Services ATM Control VC for ILMI Parameter Descriptions Use the following descriptions when you set the parameters in the ATM Control VC for ILMI window Parameter Default Range Function Instructions MIB Object ID Xmit Peak Cell Rate cells s 4716 300 to 365566 ATM FRE2 OC 3 SONE
71. 000 000000000000 00 Dest LAN Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN 00 00 a2 0e 9f ca KKK KKK KKK KKK KKK KKK kk Ck kk Sk kk kk ck kk kk kk KKK KKK kk kk kk Sk Sk kk ck ck KKK KKK KKK KKK KKK KKK The destination address is not complete However the request is destined for the well known LECS address as defined in the ATM Forum LAN Emulation Over ATM specification KKK KKK KKK KKK KKK ck ck ck kk kk kk kk ck ck KKK KK KKK KKK ck kk kk kk Sk kk KKK KKK KKK KKK KKK KK KK KK 94 11 03 95 11 45 14 988 TRACE SLOT 5 ATM_LE Code 41 EC Transitioning into the ATM_LEC_CONFIGURE state for cct 3 95 11 03 95 11 45 14 996 DEBUG SLOT 5 ATM_LE Code 45 EC Control pkt Config frame received on Control VCC 0 32 EC Received pkt on Config Direct VCC EC Control Packet Opcode CONFIG Req Type RESPONSE Status SUCCESS Configuring ATM Services Transaction Id 00fb7b60 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size 1516 Lan Name 29 Targ ATM Address 39000000000000000000000000 0800201a42c4 29 Dest LAN 96 11 03 95 11 45 15 000 DEBUG SLOT 5 ATM LE Code 45 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN 00 00 a2 0e 9f ca Num TLVs 0 EC LEC 3 received Config Response pkt EC Config Resp LAN name is 29 EC Conf
72. 00000 00000000 000000a2 0e9fca00 E 5 Configuring ATM Services 42 11 03 95 11 44 59 210 DEBUG SLOT 5 ATM Code 47 Atm Address Registration Successful Line 1405101 cct 3 Address 39000000 00000000 00000000 000000a2 0e9fca00 KKK KKK KKK ck ck ok KKK KKK kk Ck Sk kk kk ck ck kk KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK The ATM address defined in the router ATM service record has been registered with the ATM switch The router received the prefix 39000000000000000000000000 from the switch If you define the prefix in the service record the prefix you define overrides what the router receives from the switch KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KK KK KK 43 11 03 95 11 44 59 214 INFO SLOT 5 A E Code 6 Line 1405101 Circuit 3 ATM LEC received DP_LINE message 44 11 03 95 11 44 59 218 INFO SLOT 5 A E Code 3 Line 1405101 Circuit 3 ATM LEC initializing 45 11 03 95 11 44 59 308 TRACE SLOT 5 A LE Code 41 EC Calling SIG Bind LE CTRL cct 3 bind id 0 46 11 03 95 11 44 59 308 DEBUG SLOT 5 A SIG Code 24 ATM Layer Manager Inbound Bind Request 47 11 03 95 11 44 59 312 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Outbound Bind Request ATM Layer Manager Outbound Bind Confirm 48 11 03 95 11 44 59 312 TRACE SLO 5 ATM LE Code
73. 00000000 000000000000 00 Pir here 39000000000000000000000000 0000a20e9 ca 00 tion 00 00 a2 0d 72 e2 EBUG SLOT 5 ATM Ll Code 45 RE Reg Type QUEST Transaction Id 00 Lan Type 802 Max Frame Size Targ ATM Address Dest LAN 00 00 a2 Src ATM Address sre LANS 181 EC Received L 11 03 95 11 45 18 062 DEB 000000 Requestor LECID 0050 Flags 0000 23 Unspec 00000000000000000000000000 0 0d 72 e2 00000000000 00 39000000000000000000000000 0000a20e9 ca 00 UG SLOT 5 ATM LI Code 45 E ARP EC Control Packet Opcode ARP kt for LEC 43 Request p RE Req Type QUEST Transaction Id 00 Lan Type 802 Max Frame Size Targ ATM Address Dest LAN 00 00 a2 000000 Requestor LECID 0050 Flags 0000 33 Unspec 00000000000000000000000000 000000000000 00 0d 72 e2 E 24 Src ATM Address Src LAN not for us ATM Sample Log 39000000000000000000000000 0000a20e9 ca 00 L EC 3 EC Received one of our LI EC 3 E ARP Responses back for LI EC Control Packet 182 11 03 95 11 45 18 066 DEBUG SLOT 5 ATM LE Code 45 Opcode ARP Req Type RESPONSE Status SUCCESS Transaction Id 00000000 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec han Names
74. 1 03 95 11 44 59 324 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Register Request ATM Layer Manager Outbound Register Confirm 57 11 03 95 11 44 59 328 TRACE SLOT 5 ATM LE Code 41 LE Calling SIG Register BLLI cct 3 bind id 2 sig id 2 reg id 3 58 11 03 95 11 44 59 328 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound Register Request ATM Layer Manager Outbound Register Confirm 59 11 03 95 11 44 59 328 TRACE SLOT 5 ATM_LE Code 35 Line 1405101 Circuit 3 ATM LEC Control SAP register confirm for reg_id 0 Line 1405101 Circuit 3 ATM LEC Control SAP register confirm for reg_id 1 60 11 03 95 11 44 59 328 DEBUG SLOT 5 ATM_LE Code 45 EC API msg LE Create Response from LEC 3 UserHandle 15592560 TransId 0000000 61 11 03 95 11 44 59 332 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC REQ 62 11 03 95 11 44 59 332 TRACE SLOT 5 ATM_LE Code 41 EC Called SIG_Open_VC cct 3 call_ref 3 sig_id 1 EC Transitioning into the ATM_LEC_LECSCONNECT state for cct 3 Line 1405101 Circuit 3 ATM LEC MCast SAP register confirm for reg_id 2 Line 1405101 Circuit 3 ATM LEC MCast SAP register confirm for reg_id 3 KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK The LAN emulation code is requesting that the signaling code open up a VCC to the LECS for the Config Direct VCC KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KKK KKK KKK KKK
75. 1 18 3 4 23 1 9 1 14 9 28 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters ILMI Get Next Timer 3 to 120 Defines the ILMI Get Next Request timer value in seconds The Get Next Request timer sets the amount of time allowed to receive a GET NEXT RESPONSE message after sending a GET NEXT REQUEST message Accept the default 3 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 9 1 15 ILMI Get Next Retry Count 3 1 to 100 Specifies the number of retransmissions of the ILMI GET NEXT REQUEST message before the link is considered down Accept the default 3 or enter a value from 1 to 100 1 3 6 1 4 1 18 3 4 23 1 9 1 16 ILMI Set Timer 3 to 120 Defines the ILMI Set Request timer value in seconds The Set Request timer sets the amount of time allowed to receive a SET RESPONSE message after sending a SET REQUEST message Accept the default 3 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 9 1 17 9 29 Configuring ATM Services Parameter ILMI Set Retry Count Default 3 Range 1 to 100 Function Specifies the number of retransmissions of the ILMI SET REQUEST message before the link is considered down Instructions Accept the default 3 or enter a value from 1
76. 1 19 8 25 Configuring ATM Services Editing LAN Emulation Client Parameters Before you can edit LAN emulation client parameters you must create an SVC service record using LANE 802 3 data encapsulation Refer to Adding Service Records earlier in this chapter for details For an overview of ATM LAN emulation refer to Appendix B To edit LAN emulation parameters 1 Inthe Edit ATM Connector window refer to Figure 8 1 click on Service Attributes The ATM Service Records List window opens Figure 8 11 Enatrle Dissble FHABL E User Part utmgereratidgn FHABL E ATA Addr ikrr Part Fr HAHA HAHA A ATA Addr Met Prefix Optional HTLI Figure 8 11 ATM Service Records List Window 2 Click on the LAN emulation service record that you want to edit 8 26 Editing ATM Service and Interface Parameters 3 Click on LEC The LAN Emulation Parameters window opens Figure 8 12 RM Ealaion Perm Lance Configuration Mode ALITOMAT LEC LAN Type HOPECIFIEL Maxim Data Frome Sime er ELAH Hame LE Server ATH Address Control Timeout Bax Unknown Freee Count Max Uniknoen Frome Time Figure 8 12 LAN Emulation Parameters Window 4 Assign new values to the service record configuration parameters you want to edit Refer to the next section for guidelines 5 Click on OK The Configuration Manager updates the LAN emulation parameters and returns you to the ATM Service Records List window
77. 1 44 54 191 DEBUG SLOT 5 ATMINTE RX ATMizer image download complete 8 11 03 95 11 44 54 480 DEBUG SLOT 5 ATMINTF X ATMizer image download complete 9 11 03 95 11 44 54 480 INFO SLOT 5 ATMINTF Port 1 SAR device initialization complete 10 11 03 95 11 44 54 484 DEBUG SLOT 5 ATMINTF Using default ATMizer buffering thresholds Port 1 cfg ix 1405101 alm 1 frm 2 clk 1 ver 0 cct 2 11 11 03 95 11 44 54 484 INFO SLOT 5 ATMINTE Port 1 service available 12 11 03 95 11 44 54 488 DEBUG SLOT 5 ATMINTE Port 1 cfg resets mib 13 11 03 95 11 44 56 335 INFO SLOT 5 ATM_LE Slot 5 ATM Lan Emulation provided 14 11 03 95 11 44 57 132 INFO SLOT 5 ATM Slot 5 ATM Service provided 15 11 03 95 11 44 57 601 INFO SLOT 5 ATMINTF Port 1 data path service available Code Code Code Code Code Code Code Code Code 20 151 130 131 13 129 169 10 KKK KKK KK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK The ATM module has successfully completed its initialization process has started and is available for use KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KK 16 11 03 95 11 44 57 605 DEBUG SLOT 5 ATM Signalling not loaded Going into wait state Code 47 ATM Sample Log 17 11 03 95 11 44 58 878 DEBUG SLOT
78. 11 45 17 199 T Called SIG Open VC cct 161 11 03 95 11 45 17 199 D ATM Layer FSM atmlmst cing rr call re Event ATM VC RESERVE RSP M 162 11 03 95 11 45 17 367 D ATM Layer Manager Inbound ATM Layer FSM atmlmst ced rr Event ATM VC RESERVE RSP MS 164 11 03 95 11 45 17 374 I Line 1405101 vpi vci 0 37 165 Port 1 ATM Layer FSM atmlmst ced vmr Event VC MOD RSP 167 11 03 95 11 45 17 382 DI anager Inbound ATM VC Reserv 163 11 03 95 11 45 17 371 DEBUG ATM Layer Manager Inbound ATM VC Reserv call ref 12 11 03 95 11 45 17 374 INFO virtual channel VPI 0 VCI 37 166 11 03 95 11 45 17 374 DEBUG anager Inbound VC MOD R call ref 12 ATM Sample Log RACI SLO 3 call ref c4 5 A LE 11 sig id 3 EBUG SLO 5 ATM SIG Respons State RESERVE WAIT f 11 ATM Layer Manager Outbound Connect Request EBUG SLOT 5 ATM SIG SLOT 5 ATM SIG Respons State RESERVE WAIT FO SLO 5 ATM has been activated SLOT 5 ATMINTF SLOT 5 ATM SIG SPONSE Message ATM Layer Manager Outbound Connect Response EBUG SLOT 5 ATM SIG call reference 12 State VC MOD MSG WAIT Code Code Code Signalling Connection Indication anager Outbound Connection Status R
79. 120 Defines the SSCOP No Response timer value in tenths of a second This value sets the allowable time between the receipt of STAT PDUs So as not to interrupt the flow of data the SSCOP does not require a reply to every Poll PDU This can cause problems in detecting a broken connection To alleviate this problem the No Response timer runs parallel to the Poll timer If both the No Response timer and the Poll timer expire the SSCOP clears the connection The No Response timer value must equal at least the sum of the Keep Alive timer plus the length of one round trip delay Accept the default 70 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 8 1 11 Connection Control Timer 10 to 120 Defines the SSCOP Connection Control CC timer value in tenths of a second This value sets the allowable time between the transmission of BGN END Resynchronization RS and Error Recovery ER PDUs as long as the sender has not received an acknowledgment to any of these PDUs The CC timer must equal at least the length of one round trip delay Accept the default 10 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 8 1 12 9 24 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters Max Connection
80. 16 070 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC RESP 117 11 03 95 11 45 16 082 DEBUG SLOT 5 ATM_LE Code 45 LEC Received LE JOIN Response pkt for LEC 3 LEC Control Packet Opcode JOIN Req Type RESPONSE Status SUCCESS Transaction Id 00fb7b60 Requestor LECID 0050 Flags 0080 Lan Type 802 3 Max Frame Size 1516 Lan Name 29 Targ ATM Address 39000000000000000000000000 0800201a42c4 01 Dest LANI 118 11 03 95 11 45 16 085 DEBUG SLOT 5 ATM LE Code 45 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Src LAN 00 00 a2 0e 9 ca E 14 ATM Sample Log SLOT 5 ATM LE E Code 41 LECID 0050 119 LEC L 11 03 95 11 45 16 085 TRACE EC 3 successfully joined LAN 29 KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KKK The LEC has opened a Control Direct VC transmitted a join request received an open indication for the Control Distribute VC and received a join response from the LES of the emulated LAN The LEC has successfully joined the emulated LAN KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KK 120 11 03 95 11 45 16 085 DEBUG SLOT 5 ATM_LE Code 45 LEC API msg LE Event Response from LEC 3 UserHandle 15592560 TransId 00000000 LAN Emulation MAC Servi
81. 3X ATH YPI 0 Hybrid Bridget WE Administrative State mit Peale Cell Rate cml boos mit Hurat Size fr llei Haximum F L OPCS Transmit SD Sime Figure 8 9 ATM Virtual Channel Link Window 4 Select the PVC you want to edit 5 Assign new values to the PVC configuration parameters Refer to the following section for guidelines 6 Click on Apply If you set the Hybrid Bridged VC parameter to No the default that is you do not want the PVC to operate as a hybrid VC the Configuration Manager saves your changes You have completed the procedure 8 19 Configuring ATM Services If you set the Hybrid Bridged VC parameter to Yes the Configuration Manager adds a Protocols menu option to the top left corner of the ATM Virtual Channel Link window and then displays the Select Protocols window Figure 8 10 Note f you configure the PVC to operate as a hybrid bridged VC only Bridge Spanning Tree and Native Mode LAN appear as options in the Select Protocols window To detect loops in the network we strongly recommend that you enable spanning tree on all hybrid access PVCs Figure 8 10 Select Protocols Window Hybrid 7 Select the protocols you want the hybrid PVC to carry 8 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol spe
82. 4 1 18 3 5 3 2 1 6 1 9 Deleting an Adjacent Host To delete an adjacent host 1 In the IP Adjacent Hosts window refer to Figure C 9 click on the adjacent host you want to delete Click on Delete The Configuration Manager deletes the adjacent host Click on Done You return to the Configuration Manager window Configuring Classical IP over ATM Editing an ATMARP IP Interface After you configure ATMARP on an IP interface you can modify characteristics of the client or server by editing parameters in the IP Interfaces window Figure C 11 Done EEE 4 4 4 4 ATMSR 1103101 3 Apply Values Change Help kl 2 UnNumbered Assoc Alternate ATM ARP Mode CLIENT ARP Server ATM Address Network Prefix ARP Server ATM Address User Part Registration Refresh Interval 900 TR End Station ARP Type E 0 0 0 Figure C 11 IP Interfaces Window ATM Parameters To edit the IP interface parameters 1 Select the ATM interface you want to modify 2 Scroll to the bottom of the parameter list until you see the ATM specific parameters 3 Edit the parameters Refer to the following section for guidelines 4 Click on Done Configuring ATM Services IP Interface Parameter Descriptions Use the following descriptions to set ATM specific parameters in the IP Interfaces window Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function
83. 5 17 179 DEBUG SLOT 5 ATM_LE Code 45 Max Frame Size Unspec Lan Name Targ ATM Address 00000000000000000000000000 000000000000 00 Dest LAN 00 00 a2 0d 72 e2 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 STO LANI ck ck ck ck kk kk ck kk kk ce kk Ck c Sk Ck ck kk Ck kk kk ck ck kk ck kk kk ck ck ck kk Ck kk kk ck kk kk ck kckckckckckckckckckckckckok The LEC has sent an LE ARP request out for MAC address 00 00 a2 0d 72 e2 KKK KKK KK ck ck KKK KKK ck ck kk kk kk Sk KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 156 11 03 95 11 45 17 187 DEBUG SLOT 5 ATM_LE Code 45 EC Received LE ARP Request pkt for LEC 3 EC Control Packet Opcode ARP Req_Type REQUEST Transaction_Id 00000001 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec Targ ATM Address 00000000000000000000000000 000000000000 00 Dest LAN 00 00 a2 0d 72 e2 Src ATM Address 39000000000000000000000000 0000a20e9fca 00 E 19 Configuring ATM Services 157 11 03 95 11 45 17 191 DEBUG SLOT 5 ATM LE Code 45 STELAN not for us LEC 43 LEC Received one of our LE ARP Responses back for LEC 43 KKK KKK KKK KKK KKK ck ck ck kk Ck kk KKK ck ck ck KKK KKK KKK kk kk kk Sk kk KKK KKK KKK KKK KKK KKK KKK The LES has sent the LE client a copy of the LE ARP request The LE client drops this request because it recognizes it as its
84. 5 ATM Code 47 Signalling came alive 18 11 03 95 11 44 58 882 DEBUG SLOT 5 ATM Code 47 Changing to signalling wait state 19 11 03 95 11 44 58 882 INFO SLOT 5 ATM_SIG Code 3 Line 1405101 ATM Signaling initiating 20 11 03 95 11 44 58 894 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons FSM atmlmst_sig_rr call_ref 1 State RESERVE WAIT Event ATM_VC_RESERVE_RSP_MSG 21 11 03 95 11 44 58 894 INFO SLOT 5 ATMINTF Code 15 Port 1 virtual channel VPI 0 VCI 5 call reference 1 activated 22 11 03 95 11 44 58 894 DEBUG SLOT 5 ATM SIG Code 24 FSM atmlmst sig rr call ref 2 State RESERVE WAIT Event ATM VC RESERVE RSP MSG 23 11 03 95 11 44 58 898 INFO SLOT 5 ATMINTF Code 15 Port 1 virtual channel VPI 0 VCI 16 call reference 2 activated 24 11 03 95 11 44 58 898 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound DP VC LINE Message FSM atmlmst rcp dvl call ref 1 State DP VC LINE WAIT Event ATM OPEN VC RESP ATM Layer Manager Inbound DP VC LINE Message FSM atmlmst rcp dvl call ref 2 State DP VC LINE WAIT Event ATM OPEN VC RESP ATM Layer Manager Inbound VC MOD RESPONSE Message FSMatmlmst sig vmricall ref 1 State VC MOD MSGWAIT Event VC MOD RSP KKK KKK KKK KKK KKK KK KKK Ck kk kk kk kk KKK KKK
85. AN For additional information about LAN Emulation over ATM refer to Appendix B To enable protocols on an SVC service record running LANE 802 3 1 Click on the protocols you want to enable in the Select Protocols window refer to Figure 6 7 2 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns to the ATM Service Records List window refer to Figure 6 5 Note After you add protocols to a LANE 802 3 switched virtual circuit the Configuration Manager adds both an SVC button and a LEC LAN Emulation Client button to the ATM Service Records List window Clicking on the SVC button opens the ATM Switched Virtual Circuit window This window allows you to view and delete individual SVCs from the service record in dynamic mode only For additional information on how to delete individual SVCs refer to Chapter 7 Clicking on the LEC button opens the ARE LAN Emulation Parameters window For additional information about editing LAN emulation parameters refer to Chapter 8 6 15 Configuring ATM Services Adding PVCs A PVC service record requires at least one PVC to operate To add a PVC 1 Click on Add in the ATM Virtual Channel Link window refer to
86. ATM Network 5 Click on OK The Select Protocols window opens Figure D 5 salat Fratacalz E i Figure D 5 Select Protocols Window 6 Click on the protocols you want to enable 7 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns you to the ATM Service Records List window 8 Click on LEC The LAN Emulation Parameters window opens Figure D 6 D 9 Configuring ATM Services Configuration Mode sl ITOMAT LEC LAM Type da Movin Data Frome fice HSPECIFIEI ELAH Hame LE Server ATM Addres Control iseqt Has Unknown Prose Count Max Uninoen Frome Time Figure D 6 LAN Emulation Parameters Window 9 Assign values to the LAN emulation parameters that you want to edit Refer to LAN Emulation Parameter Descriptions in Chapter 8 for guidelines 10 Click on OK The Configuration Manager updates the LAN emulation parameters and returns you to the ATM Service Records List window Appendix E ATM Sample Log The following log provides an example of a working ATM LAN Emulation configuration To generate this level of message detail enable extended debugging in the wfAtmSigEntry and wfAtmlIlmiEntry MIB objects Note
87. B 3 Configuring ATM Services Understanding LAN Emulation States As defined in the ATM Forum LAN Emulation Over ATM specification LE clients enter various states of communication while attempting to join an emulated LAN These states referred to as phases by the ATM Forum indicate the progress of an LE client as it establishes a connection with an emulated LAN Figure B 1 Initial State 1 LECS Connect State 2 After experiencing Configure State 3 any failure or terminating its connection to the emulated LAN the LE client returns to the initial state Join State 4 Initial Registration State 5 BUS Connect State 6 If the LE Client loses the BUS connection it can attempt to reconnect Operational State 7 Figure B 1 LAN Emulation States Note The numbers that follow each individual state appear in the ATM LEC status record wfAtmLecStatusEntry Refer to the following sections to better understand each state B 4 ATM LAN Emulation Overview Initial State An LE client always starts in the Initial state before attempting to set up a connection to the LECS LECS Connect State An LE client enters the LECS Connect state when it attempts to set up a connection to the LECS Configure State An LE client enters the Configure state when it attempts to retrieve necessary information that is the ATM address of the LES LAN type LAN name Maximum MTU and various timeout v
88. C 4 ATM ARP Configuration Parameter Descriptions ss C 9 Configuring an ATM Address for an Adjacent Host sse C 11 Adding an Adjacent Host sacer a E ARE AEE AE R a C 12 Editing Adjacent Host Parameters ssssseeeenne ene C 13 Adjacent Host Parameter Descriptions sssseen en C 14 Deleting an Adjacent Host mennnnnrnrnnnnnnnrrnnnnennrrrnnnnennrnennrennnrnessnrnnrnnesrennnrnensrsnnnnnn C 16 Editing an ATMARP IP Interface eesseeeennn enn nennen C 17 IP Interface Parameter Descriptions ss C 18 Appendix D Sample ATM Network Hardware Devices cete e e re ertet unte te him e et eb tend D 3 Function of the LattisCell Switch ccccccseccccceeccecsessesseaeeceeeeeeeesesesesssaecaeseeeeeeees D 3 Function of the EtherCell Switch cccccccccccccccccecsessesseaeeceseeeeeeceeesessssaesaeeeeeeeeess D 4 Function of the Router ATM ILI Pair D 4 Understanding the Control Software ssssssssssssssseeennneee eene D 5 Role of th CMS uit iecit iie He ee tene bte en besten D 5 Rol of the MOS Als SeeD Se D 5 Rol of the ATM NMA austsida at e dtt do et pars D 6 Configuring the ATM Router for LAN Emulation sese D 6 Appendix E ATM Sample Log Index xi Figures Fig res1 1 ATM Gelli ete ettet i ee eee rete Ment 1 1 Figure 1 2 ATM Cell Header mnan
89. Configuring ATM Services Router Software Version 10 0 Site Manager Software Version 4 0 Software Version BNX 6 0 Site Manager Software Version BNX 6 0 Part No 112909 Rev A January 1996 ES Bay Networks CES Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1996 Bay Networks Inc All rights reserved Printed in the USA January 1996 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 Gi of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rig
90. Default Range Function Instructions MIB Object ID User Part Autogeneration Enable Enable Disable Enables or disables autogeneration of the ATM Address User Part see the next parameter Depending on the settings in the ATM Interface Attributes window the ATM Address User Part contains either the hardware MAC address or a MAC address override value Accept the default Enable if you want the Configuration Manager to automatically generate the ATM Address User Part for any SVC service record that you add to this interface 1 3 6 1 4 1 18 3 4 23 1 2 1 11 ATM Addr User Part None 00000000000000 to FEFFFFFFFFFFFF Defines the User Part suffix of the ATM address for this service record The user part suffix consists of a 6 byte endstation identifier and a 1 byte selector field The Configuration Manager allows you to autogenerate this parameter see the User Part Autogeneration parameter Depending on the settings in the ATM Interface Attributes window this parameter can autogenerate this address using e The 6 byte hardware MAC address of the ATM interface AMAC address override value that you specify In both cases autogeneration creates a unique selector byte for each service record on the interface Enter a value in the range specified 1 3 6 1 4 1 18 3 4 23 1 2 1 9 8 10 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Ins
91. Instructions MIB Object ID Expected LE ARP Response Time 3 1 to 30 Defines the amount of time in seconds that the LAN emulation client expects an ARP request and ARP response cycle to take The LAN emulation client uses this value during retries and verifications Accept the default 3 or enter a value from 1 to 30 1 3 6 1 4 1 18 3 5 9 5 20 1 1 17 Flush Timeout 4 1to4 Defines the amount of time in seconds that the LAN emulation client waits to receive a flush response after sending a flush request before it takes recovery action by switching back to the BUS Accept the default 4 or enter a value from 1 to 4 1 3 6 1 4 1 18 3 5 9 5 20 1 1 18 Path Switching Delay 6 1to8 Defines the amount of time in seconds that the LAN emulation client waits after sending a frame over an old VCC before it switches to a new VCC this applies to multicast and data direct VCCs You can use this parameter to bypass the Flush protocol that is when you disable the Flush Protocol parameter the data for a specific MAC address automatically begins flowing over a new VC when the Path Switching Delay time elapses Accept the default 6 or enter a value from 1 to 8 1 3 6 1 4 1 18 3 5 9 5 20 1 1 19 8 34 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing ATM Service and Interface Parameters Flush Proto
92. M Signaling AAL Records List window opens Figure 9 5 E jq iXxzaugsiRex4zlm lt lt lt lt lt lt Dane Apply Link Connection Arbitration Poll Timer Keep Alive Timer Ho Response Timer Conmection Cortrol Timer Figure 9 5 ATM Signaling AAL Records List Window 2 Click on the interface that you want to edit The settings for that interface appear in the boxes next to each parameter 3 Assign values to the SAAL parameters Refer to the following section for guidelines 9 21 Configuring ATM Services 4 Click on Apply The Configuration Manager updates the configuration file ATM Signaling AAL Parameter Descriptions Use the following descriptions when editing the parameters in the ATM Signaling AAL Records List window Parameter Enable Default Enable Options X Enable Disable Function Enables or disables SAAL on this interface Instructions Accept the default Enable if you want SAAL to remain enabled on this MIB Object ID Parameter Default Options Function Instructions MIB Object ID interface Select Disable if you do not want SAAL enabled on this interface 1 3 6 1 4 1 18 3 4 23 1 8 1 2 Link Connection Arbitration Active Active Passive Determines whether SAAL initiates link connections or waits for connections Accept the default Active if you want this interface to initiate connections Select Passive if you do not want this interface t
93. Pt fytopererat ion ATH Arken User Part ATH Achir Het Prefix Optional Emilated LAH kame Figure C 5 ATM Service Record Parameters Window 5 Set parameters in this window as follows a Specify Data Encapsulation Type LLC SNAP b Setthe Virtual Connection Type parameter to SVC Refer to Chapter 8 for descriptions of these parameters C 6 Configuring Classical IP over ATM 6 Click on OK The Select Protocols window opens Figure C 6 Select Protocols Protocols Figure C 6 Select Protocols Window for IP over ATM 7 Select the protocols you want to add to the circuit and click on OK The IP Configuration window opens Figure C 7 IP CONFIGURATION Cancel IP Address Subnet Mask Transmit Bcast Addr UnNumbered Assoc Addr Figure C 7 IP Configuration Window for ATM C 7 Configuring ATM Services 8 Specify an IP address for the IP interface you are adding to the circuit and click on OK The ATM ARP Configuration window opens Figure C 8 ATH ARP Configuration Cancel OK Values Help ATM ARP Mode BLIENT ARP Server ATM Address Network Prefix ARP Server ATM Address User Part Figure C 8 ATM ARP Configuration Window 9 Edit the parameters in the ATM ARP Configuration window Refer to the following section for guidelines 10 Click on OK Note f you remove and replace a link module that is configured to act as an ATM ARP client the client loses con
94. Serve at 1 800 524 3388 and ask for Representative No 591 e Inthe United Kingdom call Freephone 0800 289378 n Germany call 0130 37 32 e In Europe except for the United Kingdom and Germany call 44 272 760681 e Outside the U S Canada and Europe call 614 529 1349 and ask for Representative No 591 or consult your listings for an office near you Once you are online you can reach our forum by typing the command GO BAYNETWORKS at any prompt InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system contains libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The system can return a fax copy to the caller or to a third party within minutes of being accessed xxi Configuring ATM Services World Wide Web The World Wide Web WWW is a global information system for file distribution and online document viewing via the Internet You need a direct connection to the Internet and a Web Browser such as Mosaic or Netscape Bay Networks maintains a WWW Home Page that you can access at http www baynetworks com One of the menu items on the Home Page is the Customer Support Web Server which offers technical documents software agents and an E mail capability for communicating with our technical support engineers How to Get Help For additional information or advice contact the Bay Networks Technical Response Cente
95. Services Subnetwork Access Protocol Simple Network Management Protocol Synchronous Optical Network system resource module Service Specific Connection Oriented Protocol Service Specific Convergence Sublayer switched virtual circuit user network interface virtual channel connection virtual channel identifier xxiv About This Guide VCL virtual channel link VPC virtual path connection VPI virtual path identifier WAN wide area network XXV ATM Cell Chapter 1 ATM Overview Asynchronous Transfer Mode ATM is a connection oriented cell based technology that relays traffic across a Broadband Integrated Services Digital Network B ISDN It is a cost effective way of transmitting voice video and data across a network An ATM cell is a short fixed length packet of 53 bytes It consists of a 5 byte header containing address information and a fixed 48 byte information field Figure 1 1 shows a diagram of an ATM cell 5 Byte 48 Byte Header Information Field Figure 1 1 ATM Cell Using a fixed length cell size allows you to predict network delays making ATM suitable for carrying real time information for example voice and video as well as data ATM allows the network to operate at a much higher rate than typical packet switching systems for example X 25 because it provides no error protection or flow control Instead ATM relies on the source and destination devices to perform error recovery functions
96. Switching Delay parameter 8 34 PCR parameter ILMI Control VC 9 32 PVC 8 22 Signaling Control VC 9 17 Peak Cell Rate PCR description of 5 14 parameter ILMI Control VC 9 32 PVC 8 22 Signaling Control VC 9 17 Poll Timer parameter 9 23 protocols enabling for ATM DXI 3 3 Classical IP 6 14 hybrid access bridging 7 25 to 7 28 hybrid access nonbridging 7 22 to 7 24 LAN emulation 6 15 PVCs 6 13 menus using 7 21 to 7 28 service record 7 22 to 7 24 support 6 11 to 6 12 PVC parameters editing 8 18 to 8 20 PVCs access methods for 5 7 to 5 10 adding 6 16 8 13 to 8 15 and service records 5 7 copying 4 10 8 15 to 8 16 deleting 7 29 to 7 30 direct access mode ATM DXI 2 9 encapsulation methods for 7 18 to 7 21 group access mode ATM DXI 2 8 hybrid access 2 9 to 2 12 5 10 to 5 11 multiple per service record 5 7 one per service record 5 9 overview 1 8 R Registration Refresh Interval parameter C 19 Release Sent timer 9 8 Restart Request Sent on Channel timer 9 11 Restart Request Sent on Interface timer 9 10 RFC 1577 configuring C 4 to C 13 enabling 6 14 overview C 1 to C 4 S SAAL attributes selecting 7 14 window sequence 7 15 Data Link Connect timer 9 8 Data Link Disconnect timer 9 12 support 5 6 SCR parameter ILMI Control VC 9 33 PVC 8 23 Signaling Control VC 9 18 Segmentation and Reassembly SAR sublayer description of 1 4 service attributes select
97. T SDH e Digital Service level 3 DS 3 E 3 the European equivalent of the North American DS 3 This means that both ILI pairs convert variable length packets into uniform 53 byte cells for transmission over the ATM network Figure 5 1 Both ILI pairs are functionally similar and you configure them in much the same way Unless otherwise noted the remainder of this guide treats both ILI pairs as if they were the same 5 1 Configuring ATM Services P dio E e ATM x Network amp 4 SONET SDH 9 C JH DS 3 ne zm E 3 E Router Router Figure 5 1 ATM Direct Connectivity Before you customize ATM on your router e Read about the kinds of support that a router running ATM provides e Review the notes describing how Bay Networks implements special ATM features ATM Support A router running ATM provides the following support e Bridging and routing protocols depending on how you define certain parameters refer to Chapter 6 for a list of protocols e MAC level transparent bridging over the ATM network e A Convergence Sublayer function compatible with AAL 5 as defined in Section 1 of the CCITT now ITU T B ISDN Protocol Reference Model PRM e Multiprotocol encapsulat
98. T SDH ILI pairs 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 128 to 96000 ATM ARE DS 3 ILI pairs 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 128 to 72000 ATM ARE E 3 ILI pairs G751 Framing Mode Specifies the upper traffic limit in cells s that the ATM connection can submit How you set the peak cell rate depends on e The optical transmission rate of your ATM device The amount of traffic you expect on a particular VC e The rate you desire for each VC After you determine the transmission rate of your ATM device set the peak cell rate within the range specified above 1 3 6 1 4 1 18 3 4 23 1 5 1 8 9 32 Parameter Default Range Function Editing ATM Signaling and ILMI Parameters Xmit Sustainable Cell Rate cells s 4716 300 to 365566 ATM FRE2 OC 3 SONET SDH ILI pairs 0 128 to 353207 ATM ARE OC 3 SONET SDH ILI pairs 0 128 to 96000 ATM ARE DS 3 ILI pairs 0 128 to 80000 ATM ARE E 3 ILI pairs G832 Framing Mode 0 128 to 72000 ATM ARE E 3 ILI pairs G751 Framing Mode Specifies the upper limit of the ATM connection conforming average rate The average rate equals the total number of cells transmitted divided by the duration of the connection Using the sustainable cell rate SCR you can define the future cell flow of a VC in greater detail than by just using the peak cell rate For ATM FRE2 ILI pairs specifying the SCR controls the rate over time not at a specific inst
99. TM Adaptation Layer Segmentation and Reassembly Sublayer SAR AAL ATM Layer Transmission Convergence Sublayer Physical Layer Physical Medium Dependent Sublayer PMD PHY Figure 1 3 B ISDN ATM Protocol Reference Model The following layers relate directly to how Bay Networks routers support ATM DXI and ATM FRE2 e ATM layer e ATM adaptation layer AAL The ATM layer defines how two nodes transmit information between them It is concerned with the format and size of the cells and the contents of the headers The addresses of the cells are meaningful only to the two adjacent local nodes that is usually not to the end nodes The ATM adaptation layer AAL converts higher layer protocol data into formats that are compatible with the requirements of the ATM layer enabling ATM to handle different types of information all within the same format The AAL is divided into two sublayers the Convergence Sublayer CS and the Segmentation and Reassembly SAR Sublayer These two sublayers convert variable length messages into 48 byte segments while ensuring the integrity of the data 1 4 ATM Overview The CCITT now ITU T has defined different types of AALs to handle different kinds of traffic Bay Networks routers support AAL 3 4 and AAL 5 The next two sections describe the AAL process AAL 3 4 In the AAL 3 4 process a Convergence Sublayer CS header and trailer envelop the data from the higher layer protocols
100. The messages in this example log file may change with subsequent releases of software Port 1 Port 1 2 1 log ftwifd eAT 1 11 03 95 11 44 48 652 INFO SLO Coprocessor imag 2 11 g wfAtmIlmiEntry wfAtmIlmiDebug wfAtmIlmiEntry wfAtmIlmiDebug 1405101 6 2 1 g wfAtmSscopEntry wfAtmSscopDebug wfAtmSscopEntry wfAtmSscopDebug 1405101 6 2 1 g wfAtmSigEntry wfAtmSigDebug wfAtmSigEntry wfAtmSigDebug 1405101 6 2 1 g wf AtmInterfaceConfEntry wfAtmInterfaceDebug wfAtmInterfaceConfEntry wfAtmInterfaceDebug 1405101 2 1 g wfAtmLecConfigEntry 29 3 wfAtmLecConfigEntry wfl cDebugLevel 3 15 INTE eA eATM M SIG eATM LE 5 A link module MINTE atmc exe loaded on framer device initialization complete Code 11 26334 bytes 2 11 03 95 11 44 48 660 DEBUG SLO 5 ATMINTE Code 167 framer up id type 0x30 3 11 03 95 11 44 48 660 INFO SLO 5 ATMINTE Code 14 E 1 Configuring ATM Services 4 11 03 95 11 44 49 617 INFO SLOT 5 ATMINTF Service initializing 5 11 03 95 11 44 50 605 WARNING SLOT 5 ATMINTF Port 1 not verified with diagnostic 6 11 03 95 11 44 50 609 DEBUG SLOT 5 ATMINTE ATMizer driver control structures Code Code Code RX anchor 0x80000080 RX cmds 0x800000c0 RX log 0x800010c0 TX anchor 0x800000a0 TX cmds 0x800012c0 TX log 0x800022c0 7 11 03 95 1
101. ace Upper layer Protocol Figure 2 4 Group Access Mode Group access supports the following protocols IP IPX XNS DECnet Phase IV AppleTalk VINES and transparent bridging Of the three modes group access uses network addressing most efficiently and is the easiest to configure Although you need to configure each PVC manually for group access mode you need only define and associate protocols with the ATM network interface All the group access mode PVCs that you configure for a given ATM interface carry the protocols that you select and configure to run on that interface Note When you configure group access mode the PVCs all use the AAL type that you set for the ATM DXI interface that is the value of the CS PDU Encapsulation parameter set in the ATM DXI Interface List window In a bridged environment use group access only for fully meshed configurations or in hub spoke environments in which the spokes need not communicate In a nonbridged environment you can use group access in any configuration that does not require protocols residing on separate PVCs that is where all PVCs accept the same protocols Group access works best in either fully meshed environments or in nonmeshed environments where systems not directly connected to each other have no need to communicate There are however ways to configure upper layer protocols like IP or IPX to allow systems in nonmeshed networks to fully communicate Refer to the
102. aeceeeeeeeeeeeeeses 7 23 Protocols Menu Multiple Levels ee 7 24 ATM Service Records List Window PVC Selected 7 25 ATM Virtual Channel Link Window Hybrid PVC sses 7 26 Select Protocols Window Hybrid PVC sessseese 7 27 Protocols Menu Multiple Levels e 7 28 ATM Service Records List Window ccsscccceceeseeeeescsessesteaeeceeeeeees 7 29 ATM Virtual Channel Link Window 0ccccccccecceseeesescsessesteaeeceeeeeees 7 30 ATM Service Records List Window ccscccceseeeeeeeeeesessesteaeeeeeeeeees 7 31 ATM Switched Virtual Circuit List Window seeeeeeeeee 7 32 Edit ATM Connector Window esses 7 33 Deleting ATM from the Router sseen e 7 34 Edit ATM Connector Window rrrrrennnnnanannnnnnnnrnrvrnvennnnnannnnnnnnnnrervensenssensnnn 8 2 ATM Service Records List Window ccccccccsceccceseessesseaaeseeeeeeeeseeenes 8 4 ATM Service Record Parameters Window ccccecceeseesseaeeeeeeeeeeeseeees 8 5 Select Protocols Window PVCS rrannrnnrnrrrnnnnrnnnerrrvnnnrnnnenrreernrrnnennreeenr 8 6 ATM Service Records List Window 0cssccecceseeeeeeeeeesessesteaeeeeeeeeees 8 13 ATM Virtual Channel Link Window cc ccccccecceceeeceecsessestsaeeeeeeeeees 8 14 ATM Virtual Channel Link Parameters Window
103. al You can either manually configure the carried protocol or let the signaling procedures negotiate it dynamically during call establishment NULL encapsulation cells do not receive a header in a routed environment In a bridged environment the content of the PDU itself includes the necessary information for bridging the multiplexed protocols Encapsulation Rules for PVCs When assigning a data encapsulation type to a PVC or group of PVCs keep the following in mind e The ATM Service Records List and ATM Virtual Channel Link windows initially contain a default data encapsulation type of LLC SNAP e When you add a PVC it reads and uses the data encapsulation type specified in its ATM service record e You can globally assign a data encapsulation type to all nonhybrid PVCs in a particular service record or you can assign a data encapsulation type to individual group PVCs using the ATM Virtual Channel Link window Caution Changing the data encapsulation type in the ATM Service Records List window changes the data encapsulation type for all group access mode PVCs on that service record For example if you change the ATM service record data encapsulation type from LLC SNAP to NULL the data encapsulation type for all PVCs except hybrid PVCs on that service record changes to NULL Site Manager does not ask you to verify this change 7 20 ATM Editing Basics e Ifyou change the data encapsulation value in the ATM Service Records
104. alues to begin joining an emulated LAN Join State An LE client enters the Join state when it attempts to join an emulated LAN Joining an emulated LAN requires that the LE client e Set up a control VCC to communicate with the LES Send a join request containing the client MAC address to the LES e Accept a control distributed VCC to receive control data from the LES e Receive a valid join response from the LES containing a LAN emulation client ID LECID Note No more than one Bay Networks router ATM LE client can join an emulated LAN at any point in time However you can always move a LAN emulation client to the desired emulated LAN using network management software for example the Bay Networks Network Management Application software B 5 Configuring ATM Services Initial Registration State An LE client enters the Initial Registration state when it attempts to register multiple MAC addresses with the LES Note The router LE client provides the MAC address only for its own ATM interface Because it does not register multiple MAC addresses the router never enters this state The router LE client acts as a proxy for bridge MAC addresses not learned on this circuit BUS Connect State An LE client enters the BUS Connect state when it attempts to set up a VCC to the BUS Operational State An LE client enters the Operational state after successfully completing the requirements to join an emulated LAN B 6 A
105. ameter depends on how you set the DXI Mode parameter in the ATM DXI Interface List window refer to Figure 3 3 If you select Mode 1A default or 1B for the DXI Mode value enter a value between 0 and 15 If you select Mode 2 or Mode 2 Proprietary enter a value between 0 and 255 Refer to Chapter 4 for more information 1 3 6 1 4 1 18 3 5 9 5 14 1 3 VCI Number None 32 to 65535 Identifies the virtual channel of the PVC How you set this parameter depends on how you set the DXI Mode parameter in the ATM DXI Interface List window refer to Figure 3 3 If you select Mode 1A default or 1B for the DXI Mode value enter a value between 32 and 63 If you select Mode 2 or Mode 2 Proprietary enter a value between 32 and 65535 Refer to Chapter 4 for more information 1 3 6 1 4 1 18 3 5 9 5 14 1 4 3 7 Chapter 4 Editing ATM DXI Parameters Once you configure a circuit to support ATM DXI you can use the Configuration Manager to edit ATM DXI parameters Note You must first configure ATM DXI on the router before you can edit ATM DXI parameters For instructions on how to configure ATM DXI or how to add additional ATM DXI interfaces refer to Chapter 3 For each ATM DXI parameter this chapter describes e The default setting e All valid setting options e The parameter function e Instructions for setting the parameter Begin from the Configuration Manager window Figure 4 1 the first window that appears when you enter the C
106. and edit the spanning tree parameters directly Figure 4 10 Protocols TE Hopen Ciis Figure 4 10 Group Protocols Menu Various Levels 4 19 Configuring ATM Services Enabling and Editing Protocols for Direct or Hybrid Access PVCs After you configure a PVC to operate in hybrid or direct access mode you can enable or edit protocols for that PVC To enable or disable a protocol on an existing PVC use the following procedure 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI2Interfaces The ATM DXI Interface List window opens refer to Figure 4 2 2 Click on PVCs The ATM DXI PVC List window opens refer to Figure 4 3 3 Select the hybrid or direct access PVC you want to configure 4 Select Protocols Add Delete The Select Protocols window opens Figure 4 11 Salet Pratacalx Figure 4 11 Select Protocols Window Hybrid and Direct Access 4 20 Editing ATM DXI Parameters 5 Select the bridging routing protocol that you want to enable or disable for that circuit and click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns you to the ATM DXI PVC List window For each protocol you desel
107. ant of time and can help you more efficiently use your network resources For ATM ARE ILI pairs the SCR maps directly to the minimum cell rate MCR The MCR defines the minimum amount of guaranteed bandwidth allowed for PVCs and Control VCs on the ATM line When setting the SCR for ATM FRE2 ILI pairs keep the following in mind The SCR is essentially a future average By setting the SCR you are specifying the cell rate over time to which you want the VC to conform To be useful the SCR must not exceed the PCR e If you know the user average rate set the SCR about 10 percent higher than this value e ATM FRE2 ILI pairs require a minimum SCR value of 300 cells s PVCs may fail to operate with SCR values less than 300 cells s When setting the SCR for ATM ARE ILI pairs keep the following in mind The SCR maps directly to the MCR The MCR provides guaranteed bandwidth for PVCs and Control VCs while allowing sufficient bandwidth for SVCs to operate To be useful the SCR must not exceed the PCR 9 33 Configuring ATM Services Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID e If you know the user average rate set the SCR about 10 percent higher than this value e ATM ARE ILI pairs require a minimum SCR value of 128 cells s VCs may fail to operate with SCR values less than 128 cells s e ATM ARE ILI pairs allow you to enter an SCR valu
108. appropriate upper layer protocol documentation for more information 2 8 ATM DXI Features and Implementation Notes Direct Access Mode In direct access mode upper layer protocols treat the ATM network as a series of point to point connections Figure 2 5 The upper layer protocols view each PVC as an individual network interface You can therefore configure each direct mode PVC individually This is helpful if you have different network sites using different types of data encapsulation ATM Network Upper layer Protocol Figure 2 5 Direct Access Mode Direct access supports the following protocols IP IPX XNS DECnet Phase IV AppleTalk VINES and bridging If you use direct access mode you must configure each PVC manually and assign protocols to run on each PVC This mode allows you to dedicate a PVC to a particular protocol but at the expense of some configuration overhead memory and address space Direct access mode is best suited to small nonmeshed configurations or to configurations in which protocols must reside on separate PVCs Note Be aware that the maximum number of PVCs you can configure in direct access mode varies depending on the configuration of the router the number of protocols running on the circuits and the number of routing entries Hybrid Access Mode Hybrid access mode combines characteristics of group and direct access modes It works best for nonmeshed network configurations
109. ated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify Bay Networks in writing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the receipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license Bay Networks Inc 4401 Great America Parkway Santa Clara CA 95054 8 Federal Street Billerica MA 01821 Contents About This Guide JANE o MEINS essa Sue XX Betore You BOIN ier eed e d ken Rat ee texas Fere Eie eate ape Deb Tea ge XX Bay Networks Customer Sup
110. ating ATM entities Each virtual channel may carry a different protocol or traffic type The virtual channel transports cells that have a common identifier The identifier is called the virtual channel identifier VCI and is part of the cell header You can establish virtual channels permanently or set them up dynamically allowing the network to adjust itself to the traffic demand A virtual path is a set of virtual channels between a common source and destination The virtual channels in a virtual path logically associate to a common identifier This identifier is called the virtual path identifier VPI and is part of the cell header You can base cell switching on either the VPI alone or on a combination of the VPI and VCI Virtual paths enable you to separate network transport functions into those related to an individual logical connection virtual channel and those related to a group of logical connections virtual path A transmission path is a physical connection that comprises several virtual paths each virtual path containing several virtual channels The transmission path may support multiple virtual paths across a single connection to the network Figure 1 6 shows the relationships between the virtual channel the virtual path and the transmission path 1 7 Configuring ATM Services Transmission Path v ye ve VC VP VP FA vc vo ve JP vo VP Virtual Path VC Virtual Channel Figure 1 6 ATM Transm
111. atures for example SVCs and LAN emulation on the interface If you do not intend to configure any switched features on this interface that is you want this interface to run only PVCs disabling this parameter makes additional system resources available Accept the default Enable if you want to enable signaling on this interface Set the state to Disable if you want to disable signaling on this interface 1 3 6 1 4 1 18 3 4 23 1 1 1 16 8 37 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Use Hardware MAC Address Enable Enable Disable Specifies whether or not to use the hardware MAC address for this interface When enabled the Configuration Manager uses the ATM hardware MAC address of the link module for the endstation identifier when automatically generating the user part suffix of an SVC service record ATM address When disabled the Configuration Manager uses the value specified in the MAC Address Override parameter to define the endstation identifier when automatically generating the user part suffix of an SVC service record ATM address Accept the default Enable if you want to use the MAC address of the ATM interface when automatically generating the endstation identifier portion of the ATM address user part Set this parameter to Disable if you want to use the MAC Address Override value when automatically generating the endstation identifier port
112. ays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the ATM Virtual Channel Link window opens Figure 8 6 Each PVC type service record must contain at least one PVC to function on a network Go to Adding or Copying PVCs later in this chapter for instructions on how to add or copy a PVC 8 6 Editing ATM Service and Interface Parameters Adding a Service Record for SVCs To add a service record for switched virtual circuits 1 Click on Service Attributes in the Edit ATM Connector window refer to Figure 8 1 The ATM Service Records List window opens refer to Figure 8 2 Click on Add The ATM Service Record Parameters window opens refer to Figure 8 3 If you want to change any of the parameters in the ATM Service Record Parameters window refer to ATM Service Record Parameter Descriptions later in this chapter for instructions Click on OK The Select Protocols window opens Note The contents of the Select Protocols window vary depending on the data encapsulation type you set in the ATM Service Record Parameters window Refer to Assigning Data Encapsulation in Chapter 7 for additional information 4 5 Click on the protocols you want to enable Click on OK For each protocol you select the Configuration Manager displays a
113. bject ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Max Point to Point Connections 1000 0 to 32767 Identifies the maximum number of simultaneous point to point connections allowed for this circuit Accept the default 1000 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 7 Max Point to Multipoint Connections 40 0 to 32767 Identifies the maximum number of simultaneous point to multipoint connections allowed for this circuit Accept the default 40 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 8 Max Parties in Multipoint Connections 1 0 to 32767 Identifies the maximum number of simultaneous parties in a point to multipoint connection allowed for this circuit Accept the default 1 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 9 6 6 Adding a Service Record Enabling ATM Service The Configuration Manager allows you to add service records for a specific data encapsulation type Depending on the data encapsulation type you choose the Configuration Manager also allows you to select a PVC or SVC virtual connection type for that service record Caution You cannot edit the Data Encapsulation Type or Virtual Connection Type parameters once you assign them to a service record Table 6 1 identifies which data encapsulation types you can apply to permanent a
114. bject ID Parameter Default Range Function Instructions MIB Object ID e If you know the user average rate set the SCR about 10 percent higher than this value e ATM ARE ILI pairs require a minimum SCR value of 128 cells s VCs may fail to operate with SCR values less than 128 cells s e ATM ARE ILI pairs allow you to enter an SCR value of 0 Entering 0 for the SCR turns off this function e The E 3 framing mode setting affects the maximum SCR After you determine the transmission rate of your ATM device set the sustainable cell rate within the range specified above For ATM ARE ILI pairs you can enter 0 to turn off this function 1 3 6 1 4 1 18 3 4 23 1 5 1 9 Xmit Burst Size cells 40 1 to 65535 For ATM FRE2 ILI pairs the Maximum Burst Size is the maximum length of a cell stream on a particular VC The MBS specifies the maximum number of sequential cells allowed on a VC at the peak cell rate before the VC must relinquish bandwidth to other VCs When setting the MBS we suggest that you select a value larger than the largest packet your PVC or Control VC can transmit that is the Maximum AAL CPCS Transmit SDU size For example if your VC accepts packets that are less than 2358 bytes long PVC default set your MBS value between 45 and 50 cells Set a value in the specified range 1 3 6 1 4 1 18 3 4 23 1 5 1 10 Note ATM ARE ILI pairs ignore the maximum burst size 8 24 Parameter Default
115. bles an IP router to use the IP address of a network device to learn the device s physical address The address resolution scheme used on an Ethernet LAN is called ARP The address resolution scheme defined by RFC 1577 for use in a LIS is called ATMARP On a LAN which is a broadcast medium a router obtains the physical address of a network device by broadcasting an ARP request In a LIS which uses a nonbroadcast ATM medium a router sends an ATMARP request to an ATMARP server In Figure C 2 for example each IP interface on the LIS opens a VC to the ATMARP server and registers its IP address and ATM address The server uses this information to build and maintain a table that maps LIS IP addresses to ATM addresses C 3 Configuring ATM Services A router that needs the ATM address of a host on the LIS sends an ATMARP request to the server The server returns a response containing the address The router extracts the ATM address of the host from the response and opens an SVC directly to the host via ATM UNI signaling If the server does not have an entry for the requested IP address it returns a negative acknowledgment signifying that the destination is unreachable Configuring an ATMARP Client and an ATMARP Server Site Manager allows you to Specify SVC as the virtual circuit type All network devices on a LIS must be connected by SVCs e Specify an encapsulation type for messages transmitted over the circuit RFC 1577 def
116. brid PVC To edit an existing hybrid PVC protocol 1 In the Edit ATM Connector window refer to Figure 7 2 click on Service Attributes The ATM Service Records List window opens refer to Figure 7 20 Click on the service record containing the hybrid access PVC for which you want to edit protocols Click on PVC The ATM Virtual Channel Link window opens refer to Figure 7 21 7 27 Configuring ATM Services 4 Click on a hybrid PVC The Protocols menu in the upper left corner of the window becomes active 5 Click on Protocols 6 Click on the protocol that you want to edit The Configuration Manager displays protocol specific windows where you can edit parameters If you need assistance editing any parameters consult the appropriate protocol specific guide Note The Protocols menu provides multiple levels for some protocols to assist you in locating specific configuration parameters For example when editing the Bridge protocol that also uses Spanning Tree you can bypass the upper level bridging parameters and edit the Spanning Tree parameters directly Figure 7 23 TE TE EE t n a C Figure 7 23 Protocols Menu Multiple Levels 7 28 ATM Editing Basics Deleting Individual PVCs To delete a PVC Caution Site Manager does not ask you to confirm your decision to delete a PVC You cannot undo this action 1 Inthe Edit ATM Connector window refer to Figure 7 2 click on Service Attributes
117. ce Refer to Configuring IP Services for additional information about the IP address resolution parameter Bay Networks uses standard ARP and Inverse ARP for SVCs running classical IP RFC 1577 and SVCs running LAN emulation LAN Emulation Today s networks consist of a vast amount of existing LAN application software LAN emulation provides a way to accommodate this software while taking advantage of ATM technology In other words LAN emulation allows the router to connect to the ATM network while LAN application software continues to operate as if it were running on a traditional LAN For additional information on LAN emulation refer to Appendix B 5 4 ATM Features and Implementation Notes ATM Signaling ATM signaling allows the router to dynamically establish maintain and clear a switched virtual connection at the UNI Using a series of messages as defined by the Q 2931 standard for signaling protocol Figure 5 2 the router 1 Assesses the availability of an ATM endpoint device Establishes a connection with that device 2 3 Maintains that connection for the duration of data transfer 4 Clears the connection when the transfer is complete Data Q SAAL Encapsulation ATM Adaptation Layer AAL 5 ATM Layer Physical Layer Figure 5 2 SVC PVC Signaling Protocol Stack 5 5 Configuring ATM Services Signaling ATM Adaptation Layer SAAL As defined by the ATM Forum ATM User Network Interface Speci
118. ce Up Event from LEC 16308 EC API msg LE Config Response from LEC 3 UserHandle 15592560 TransId 00edec7 121 11 03 95 11 45 16 085 INFO SLOT 5 ATM Code 4 Line 1405101 Circuit 3 ATM LEC configuration complete 122 11 03 95 11 45 16 085 DEBUG SLOT 5 ATM Code 45 EC Control Packet 123 11 03 95 11 45 16 089 DEBUG SLOT 5 ATM Code 45 Opcode ARP Req Type REQUEST Transaction Id 00000000 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec Targ ATM Address 00000000000000000000000000 000000000000 00 Dest LAN Src ATM Address Src LAN EE Er EE k BE 39000000000000000000000000 0000a20e9fca 00 KKK KKK KKK ck ck ck ok KKK KK kk Ck kk kk kk ck ck kk KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK The LE client sends an LE ARP request for the BUS using a MAC address that contains all Fs KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 41 124 LEC 11 03 95 11 45 16 089 TRACE SLOT 5 ATM_LE Code Transitioning into the ATM_LEC_BUSCONNECT state for cct 3 E 15 Configuring ATM Services 125 11 03 95 11 45 16 093 DEBUG SLOT 5 ATM LE Code 45 EC Received one of our LE ARP Responses back for LEC 43 EC Control Packet Opcode ARP Req Type RESPONSE Status SUCCESS Transaction Id 00000000 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec Lan Name
119. cense Licensee shall not make the resulting software available for use by any third party Neither title nor ownership to Software passes to licensee Licensee shall not provide or otherwise make available any Software in whole or in part in any form to any third party Third parties do not include consultants subcontractors or agents of licensee who have licensee s permission to use the Software at licensee s facility and who have agreed in writing to use the Software only in accordance with the restrictions of this license Third party owners from whom Bay Networks has acquired license rights to software that is incorporated into Bay Networks products shall have the right to enforce the provisions of this license against licensee Licensee shall not remove or obscure any copyright patent trademark trade secret or similar intellectual property or restricted rights notice within or affixed to any Software and shall reproduce and affix such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license Bay Networks Inc 4401 Great America Parkway Santa Clara CA 95054 8 Federal Street Billerica MA 01821 Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive d
120. cient bandwidth for SVCs to operate To be useful the SCR must not exceed the PCR e If you know the user average rate set the SCR about 10 higher than this value e ATM ARE ILI pairs require a minimum SCR value of 128 cells s VCs may fail to operate with SCR values less than 128 cells s e ATM ARE ILI pairs allow you to enter an SCR value of 0 Entering 0 for the SCR turns off this function e The E 3 framing mode setting affects the maximum SCR setting Refer to Table 5 1 for additional information 5 16 ATM Features and Implementation Notes Maximum Burst Size For ATM FRE2 ILI pairs the maximum burst size MBS is the maximum length of a cell stream allowed on a particular VC The MBS specifies the maximum number of sequential cells allowed on a VC before that VC must relinquish bandwidth to other VCs waiting to transmit This burst occurs at or close to the Peak Cell Rate When setting the MBS we suggest that you select a value larger than the largest packet your PVC or Control VC can transmit that is the Maximum AAL CPCS Transmit SDU size For example if your VC accepts packets that are less than 2358 bytes long PVC default set your MBS value between 45 and 50 cells Note ATM ARE ILI pairs ignore the maximum burst size As a guideline use the formula below to determine your MBS value Maximum Packet Size in bytes MB 48 bytes cell S value in cells For example 2358 bytes PVC default
121. cific guide When you finish selecting protocols the Configuration Manager returns you to the ATM Virtual Channel Link window Note 7he Configuration Manager initially assigns LLC SNAP to any new hybrid access mode PVC In other words even if you set a service record to use NULL the Configuration Manager sets each new hybrid PVC to the MIB default of LLC SNAP To change the encapsulation type for a hybrid PVC you must assign the value directly to the hybrid PVC in the ATM Virtual Channel Link window 8 20 Editing ATM Service and Interface Parameters ATM Virtual Channel Link Parameter Descriptions Use the following descriptions when you set the parameters in the ATM Virtual Channel Link window Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Hybrid Bridged VC No Yes No Specifies whether the VC is set to hybrid access mode Accept the default No if you want the VC to work in group access mode only Set to Yes if you want the VC to operate as a hybrid VC For more information about the group and hybrid access modes refer to PVC Access Methods in Chapter 5 1 3 6 1 4 1 18 3 4 23 1 5 1 25 Administrative State Up Up Down Specifies the administrative state of the PVC The Up state indicates that traffic flow is enabled on this PVC The Down state indicates that traffic flow is disabled on this PVC
122. col Enable Enable Disable Enables or disables the flush protocol on this LE client The flush protocol ensures that data destined for a particular MAC address arrives in sequence When enabled the flush protocol drops cells with this MAC address while waiting for The flush response for that MAC address e The flush timeout to expire for that MAC address If the client receives a flush response for the cell MAC address the cells for this MAC address begin flowing over a new virtual circuit However if the flush timeout expires for this MAC address the cells begin flowing to the broadcast and unknown server BUS When disabled cells containing the same MAC address are dropped while waiting for the Path Switching Delay parameter to time out After the Path Switching Delay time elapses the data automatically begins flowing over a new virtual circuit Accept the default Enable if you want the flush protocol to operate on this LAN emulation client Select Disable if you do not want the flush protocol to operate on this LAN emulation client 1 3 6 1 4 1 18 3 5 9 5 20 1 1 25 LE Config Server ATM Address None Any valid LAN emulation configuration server LECS ATM address Defines the LECS ATM address Entering an address for this parameter is optional If you do not enter an address the LE client uses the well known LECS ATM address to open a configuration VCC to the configuration service Leave blank or enter the ATM addre
123. cols for direct or hybrid access 4 20 enabling protocols for group access 4 16 function of 2 7 group access 2 8 hybrid access 2 9 to 2 12 adding PVCs 3 4 ARP support 2 5 configuring 4 1 to 4 24 deleting from the router 4 25 error checking 2 4 implementation notes 2 5 to 2 13 Inverse ARP support 2 5 LMI support 2 4 modes of operation 2 6 to 2 7 multicast packet support purpose of 2 4 multipath support 2 12 to 2 13 multiprotocol encapsulation 2 2 overview 1 8 2 1 to 2 5 parameter defaults A 1 to A 2 parameters CS PDU Encapsulation 4 6 4 15 DXI Mode 4 5 editing 4 1 to 4 7 4 12 to 4 13 4 20 to 4 21 Enable 4 4 4 14 Interface Description 4 4 LMI Enable 4 7 Max number of VCs 4 5 Mode 4 14 Multicast 4 7 4 16 Multiprotocol Encapsulation 4 6 4 15 VCI Number 3 7 4 11 VPI Number 3 7 4 11 windows accessing 7 2 protocole 4 enabling for direct or hybrid access 4 20 to ATM Addr Net Prefix Optional parameter 8 11 4 21 ATM Addr User Part parameter 8 10 enabling for group access 4 16 to 4 18 Index 2 enabling on an ATM DXI circuit 4 16 supported 2 2 PVCs configuring 4 7 to 4 16 4 22 to 4 24 deleting 4 24 ATM FRE2 description of 1 9 ATM Signaling attributes selecting 7 12 window sequence 7 13 ATMARP configuring C 4 to C 8 Bay Networks CompuServe forum xxi customer support xx Home Page on World Wide Web xxii InfoFACTS service xxi publications ordering xxiii Tec
124. cord 5 Add at least one virtual circuit PVCs only to that service record If you want to edit any specific ATM parameters or add more VCs refer to Chapter 8 Adding an ATM Circuit To enable ATM on an interface 1 Click on an ATM link module interface labeled ATM1 in the Configuration Manager window Figure 6 1 The Add Circuit window opens Figure 6 2 local LOCAL FILE oftmp enti bechpubes test cmfgeratsl cofy t Backbore Line Hode HLM t xD Bolon ejt ruse Description Connectors 79083 AIM FRE 0 3 UID ATH FREDO SADIJO ARE OL 3 MH STS 3 AGLSLIOLGS ARE OC 3 SH S75 3 Eqeten Resource Hodale Figure 6 1 Configuration Manager Window 6 2 Enabling ATM Service Configuration Moke SMSF Apert Circuit Hamer n Color Keyi Select linea from avallable conector tolorbed Slot Biret pU CORALE Figure 6 2 Add Circuit Window 2 Click on OK The Initial ATM Signaling Config window opens Figure 6 3 Lance Cie re TEM Helps Ernsble ATA Signaling Has Heber of SVC Applicmtinne 20 Point fo Point Connect inns 10060 Point tn HKultiPoint Connections 30 Parties In KHultiPoint Connections 1 Figure 6 3 Initial ATM Signaling Config Window 6 3 Configuring ATM Services 3 Click on OK to accept the default settings or edit the parameters Refer to the next section for guidelines 4 Click on OK The Edit ATM Connector window opens Figure 6 4 Inte
125. delete 7 31 Configuring ATM Services 3 Click on SVC The ATM Switched Virtual Circuit List window opens Figure 7 27 ATM Two hed Virtus Conc uit List ATH1 LU ES RITHI RITHI ILU M Figure 7 27 ATM Switched Virtual Circuit List Window 4 Click on the SVC you want to delete 5 Click on Delete Site Manager deletes the SVC Deleting an ATM Service Record To delete an ATM service record Caution Site Manager does not ask you to confirm your decision to delete a service record You cannot undo this action 1 In the Edit ATM Connector window refer to Figure 7 2 click on Service Attributes The ATM Service Records List window opens refer to Figure 7 26 2 Click on the service record you want to delete 3 Click on Delete Site Manager deletes the service record 7 32 ATM Editing Basics Deleting ATM from an Interface To delete ATM from an interface 1 In the Configuration Manager window refer to Figure 7 1 select the interface from which you want to delete ATM The Edit ATM Connector window opens Figure 7 28 Shi prea ryg LU NEL M Interim Local Manapceont Inter Figure 7 28 Edit ATM Connector Window 2 Click on Delete ATM The Configuration Manager asks Do you REALLY want to delete ATM 3 Click on OK The Configuration Manager deletes ATM from that interface and returns you to the Configuration Manager window 7 33 Configuring ATM Services
126. djacent Hosts window click on Add The IP Configuration window for adjacent hosts opens Figure C 10 IP CONFIGURRTION Cancel OK Values Help MAC Address Host Encapsulation ETHERNET Adjacent Host X 121 Address Figure C 10 IP Configuration Window for Adjacent Hosts 2 Assign new values to the parameters that you want to edit Refer to Configuring IP Services for guidelines 3 Click on OK The Configuration Manager returns you to the IP Adjacent Hosts window refer to Figure C 9 The window now lists the adjacent host you configured 4 Click on Done You return to the Configuration Manager window Configuring Classical IP over ATM Editing Adjacent Host Parameters You can edit the Enable Next Hop Interface Addr MAC Address Adjacent Host X 121 Address and Host Encapsulation parameters for an adjacent host To edit adjacent host parameters 1 In the IP Adjacent Hosts window refer to Figure C 9 click on the adjacent host that you want to edit 2 Edit the parameters you want to change Refer to the following section for descriptions of all the adjacent host parameters that you can edit 3 Click on Apply The Configuration Manager implements your changes 4 Click on Done You return to the Configuration Manager window Note You cannot change the adjacent host s IP address If you want to change this parameter you must delete the adjacent host and configure a new adjacent host wit
127. e Attributes The ATM Service Records List window opens Figure 7 17 Enabler hirie FHABLE User Part utagereratidgn FHARLT ATH Addr User Pant c OCH MOH MONO MO ATA Addr Het Prefix Opticnal HTLI Figure 7 17 ATM Service Records List Window 2 Click on the service record whose protocols you want to change 3 Click on Protocols in the upper left corner of the window 7 22 ATM Editing Basics 4 Click on Add Delete One of the following Select Protocols windows opens Figure 7 18 alet Protocole salat Fratacalz E E For PVCs For SVCs Using LLC SNAP or NULL For SVCs Using LANE 802 3 Figure 7 18 Select Protocols Windows 5 Select or deselect the bridging routing protocols that you want to add or delete for that service record 6 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring protocols the Configuration Manager returns you to the ATM Service Records List window For each protocol you deselect the Configuration Manager removes that protocol from the service record 7 23 Configuring ATM Services To edit an existing protocol 1 In the Edit ATM Connector window refer to Figure 7 2 click on Service Attributes The ATM Service Records List w
128. e VCI and VPI numbers e You can only set direct access PVCs to operate in multipath mode 4 22 Editing ATM DXI Parameters To set PVCs to use multipath mode complete the following steps 1 From the Configuration Manager window refer to Figure 4 1 select Protocols ATM DXI Interfaces The ATM DXI Interface List window opens refer to Figure 4 2 2 Click on PVCs The ATM DXI PVC List window opens Figure 4 14 Done ATH IKI Slot LUMI FI 0 VEI X7 GROU aA I ATH DET Slot 9 DUMI FI 0 VCI X3 HYBRIU Ack ATH DEI Slot 5 DOHI VFI D VEI 34 MIRECT Hultipesbocel Encapsulation CS FOU Encapsailaticon Multicest Figure 4 14 Multipath Button 3 Select the first PVC you want to run in multipath mode 4 Click on Multipath The Multipath Selection window opens Figure 4 15 This window shows all PVCs that you can set for multipath mode along with the PVC you selected 4 23 Configuring ATM Services m Ae PID SER 000 38 Circoit1 7 Figure 4 15 Multipath Selection Window Select a PVC that you want to group with the first PVC Click on Select The ATM DXI PVC List window opens refer to Figure 4 14 Repeat this procedure until you select all of the PVCs that you want to run in multipath mode Deleting PVCs To delete a PVC complete the following steps 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI gt Interfac
129. e VCI specifies a virtual channel within the virtual path on the physical ATM link Refer to the Data Transmission section later in this chapter for additional information on virtual channels Payload Type PT The next 3 bits that is bits 5 through 7 of byte 4 indicate the type of information the cell is carrying for example user data or management information e Cell Loss Priority CLP The last bit of byte 4 indicates the priority of the cell and whether the network can discard it under heavy traffic conditions Setting the bit to 1 indicates the network may discard the cell if necessary Header Error Control HEC The last byte of the header field contains the HEC Its primary function is to guard against misdelivery of cells due to header or single bit errors However the HEC does not gauge the quality of the data in the information field Cell Information Field Following the 5 byte cell header is a 48 byte information field containing user data The ATM Adaptation Layer AAL organizes the data in this field Refer to the following section ATM Layers for additional information about the AAL Configuring ATM Services ATM Layers The B ISDN protocol reference model on which ATM is based consists of four layers Each layer communicates only with the layers directly above it or directly below it Figure 1 3 shows the B ISDN ATM protocol reference model Higher Protocol Layer Convergence Sublayer CS A
130. e of 0 Entering 0 for the SCR turns off this function e The E 3 framing mode setting affects the maximum SCR After you determine the transmission rate of your ATM device set the sustainable cell rate within the range specified above For ATM ARE ILI pairs you can enter 0 to turn off this function 1 3 6 1 4 1 18 3 4 23 1 5 1 9 Xmit Burst Size cells 40 1 to 65535 For ATM FRE2 ILI pairs the Maximum Burst Size is the maximum length of a cell stream on a particular VC The MBS specifies the maximum number of sequential cells allowed on a VC at the peak cell rate before the VC must relinquish bandwidth to other VCs When setting the MBS we suggest that you select a value larger than the largest packet your PVC or Control VC can transmit that is the Maximum AAL CPCS Transmit SDU size For example if your VC accepts packets that are less than 2358 bytes long PVC default set your MBS value between 45 and 50 cells Set a value in the specified range 1 3 6 1 4 1 18 3 4 23 1 5 1 10 Note ATM ARE ILI pairs ignore the maximum burst size 9 34 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters Maximum AAL CPCS Transmit SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the transmit direction Enter an octet value t
131. ea Ea e a E eee B 4 IP Local Area Network ccccccccccecceceeceeeseeaeaeseseseeeeaeeesseseseeseeeeseseseeeees C 2 IP Logical IP Subnet aiai 2 ean ege Ehe tte C 3 Initial ATM Signaling Config Window arnnrnrnnrrnnnnnvnnrvrrennnnrnnnerrennnnrnnnennne C 5 Edit ATM Connector Window ccccccccceceessesseeaeceeeeeeeeseecseeeaaecaeceeeeeeees C 5 ATM Service Record Parameters Window rrrnnrnnnnnannnnnnnrnrrrnvennnnnnnnnnnnn C 6 Select Protocols Window for IP over ATM rsrrrernrnnvrvverrnnnvvererrnarvvesrrrnnnn C 7 IP Configuration Window for ATM rsrennannvnnnnrrnnnnnvnnnnrrennnnrnnnrrrenennrnnnenne C 7 ATM ARP Configuration Window ssseeeeeen enn C 8 IP Adjacent Hosts Window seeeenn eme C 11 IP Configuration Window for Adjacent Hosts ssssssssss C 12 IP Interfaces Window ATM Parameters eeeeeeee C 17 Sample ATM Network sess enne nennen senes D 2 Edit ATM Connector Window rrrrnenannannnnnnnrvnrvrnvenssnnsnnnnnnnnnvvnnvennenssnnnnnnn D 6 ATM Service Records List Window cssccecceseceececssesessssaeeeeeeeeeeeens D 7 ATM Service Record Parameters Window sese D 8 Select Protocols Window rrrnrrnnrsnnnnnrorrrrvennvonannannnannnrnvvrnnennsensnnannnnnnnnens D 9 LAN Emulation Parameters Window ceseseeceeseeeeeeeeeeeeeeeeeseeaea D 10 Tables Table 5 1 Maximum Bandwidth
132. ect the Configuration Manager removes that protocol from the PVC To edit an existing protocol use the following procedure 1 From the Configuration Manager window refer to Figure 4 1 select Protocols ATM DXI gt Interfaces The ATM DXI Interface List window opens Figure 4 2 2 Click on PVCs The ATM DXI PVC List window opens Figure 4 3 3 Select the hybrid or direct PVC you want to configure 4 Click on the Protocols menu option The menu displays a list of the existing protocols on that PVC Figure 4 12 nrM DT Slot Figure 4 12 Protocols Menu Top Level 4 21 Configuring ATM Services 5 Select the protocol that you want to edit The Configuration Manager displays the requested protocol specific window If you need assistance in editing a specific protocol consult the appropriate protocol specific guide Note Site Manager provides a menu structure for some protocols to assist you in locating specific configuration parameters For example when editing the Bridge protocol that also uses Spanning Tree you can bypass the upper level bridging parameters and edit the Spanning Tree parameters directly Figure 4 13 Figure 4 13 Protocols Menu Multiple Levels Setting PVCs for Multipath Mode You can set two or more PVCs to run in multipath mode as described in Multipath Support in Chapter 2 When setting PVCs for multipath mode keep the following in mind The PVCs must have the sam
133. ed ATM ARP server For additional information about RFC 1577 and how to configure logical IP subnets on an ATM network refer to Appendix C To enable classical IP protocols on an SVC service record running LLC SNAP or NULL encapsulation 1 Click on the IP protocols you want to enable in the Select Protocols window refer to Figure 6 7 2 Click on OK For each IP protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns to the ATM Service Records List window refer to Figure 6 5 Note After you add protocols to an LLC SNAP or NULL switched virtual circuit the Configuration Manager adds an SVC button to the ATM Service Records List window Clicking on the SVC button opens the SVC window This window allows you to view and delete individual SVCs from the service record in dynamic mode only For additional information on how to delete individual SVCs refer to Chapter 7 6 14 Enabling ATM Service Enabling Protocols on an SVC Service Record Running LANE 802 3 Selecting LANE 802 3 to run on an SVC service record defines that service record as an emulated Ethernet LAN This means that any protocols on that service record operate as if they were running over a traditional Ethernet L
134. ed within the ATM Forum UNI Specification Version 3 0 Role of the MCS The multicast server MCS software allows LAN emulation LANE services to operate over an ATM network The MCS software provides the following LANE services e Virtual LAN definition and management MAC address to ATM address resolution for attached LANE clients e Broadcast and multicast support for attached LANE clients For additional information about the MCS or LANE refer to Appendix B D 5 Configuring ATM Services Role of the ATM NMA The ATM NMA software provides management for any switch including the EtherCell LattisCell and switch modules in the System 5000 link or client in the ATM network The NMA obtains information from the CMS MCS or switches to display real time views of the entire ATM network These views provide the network manager with ATM monitoring and control information at both the switch and port level Refer to Using the ATM Network Management Application 1 2 and associated release notes for more information about using the NMA in an ATM network Configuring the ATM Router for LAN Emulation To configure the ATM router in this sample to connect to an emulated LAN 1 Display the Edit ATM Connector window Figure D 2 ATH Signaling Service attributes tierce Attrib pen Signal ing A Sr Line Attributes Interim Local Manapoeont Interface ILMI Figure D 2 Edit ATM Connector Window D 6
135. ell header The header can contain a maximum of 8 VPI bits for a UNI connection This bit range allows for path identifiers from 0 to 255 Enter a VPI value from 0 to 255 1 3 6 1 4 1 18 3 4 23 1 5 1 3 VCI Number None 32 to 65535 Identifies the virtual channel of the PVC The VCI virtual channel identifier is part of the cell header The header can contain a maximum of 16 VCI bits This bit range allows for path identifiers from 0 to 65535 Enter a value from 32 to 65535 1 3 6 1 4 1 18 3 4 23 1 5 1 4 Note Following the recommendation of the ATM Forum virtual channel identifiers from 0 to 31 are reserved for added functionality 6 17 Chapter 7 ATM Editing Basics Once you enable an ATM circuit you can use the Configuration Manager to edit ATM parameters Many ATM parameters are interdependent that is how you edit some parameters depends on how you set others Before you begin editing any ATM parameters we suggest you read this chapter to understand e The methods of accessing ATM parameter windows e The function and flow of each ATM parameter window e How to configure data encapsulation e Where and how to edit protocols e The various ways you can delete ATM 7 1 Configuring ATM Services Accessing ATM Windows You can access the same ATM windows from either e The Edit ATM Connector window Figure 7 2 e The Protocols menu in the Configuration Manager window Figure 7 3 Note For you to access ATM
136. endix B ATM LAN Emulation Overview This appendix provides general information about LAN emulation as described by the ATM Forum For more information about LAN emulation refer to the ATM Forum document LAN Emulation Over ATM Version 1 0 Refer to Appendix D for instructions on configuring an ATM router for LAN emulation LAN Emulation Basics LAN emulation allows virtual communication of traditional LAN devices and applications over an ATM network An ATM network can run one or more emulated LANs However each emulated LAN is independent of the others and devices cannot communicate directly across emulated LAN boundaries Note Communication between emulated LANs is possible through routers and bridges only possibly implemented in the same endstation LAN Emulation Connectivity An emulated LAN can provide Ethernet IEEE 802 3 or Token Ring IEEE 802 5 connectivity With an emulated Ethernet or Token Ring network over ATM software applications can interact as if they were connected to a traditional LAN Note Bay Networks routers currently provide only Ethernet IEEE 802 3 emulated LAN connectivity B 1 Configuring ATM Services LAN Emulation Components Each emulated LAN comprises a group of LAN emulation clients and three different servers These servers include a LAN emulation configuration server an LE server and a broadcast and unknown server Each of these servers provides a specific LAN emulation service
137. equest Code Code 41 24 24 24 Code 15 activated Code 24 Code 24 ATM Layer Manager Inbound Signalling Connection Status Indication FSM atmlmst ced tcsi call ref 12 State NETWORK WAIT Event AMUIAMTCNSTIND ATM Layer Manager Outbound Open Indication 168 11 03 95 11 45 17 382 DEBUG SLOT 5 ATM LE Code 45 EC Data Direct open call indicate for LEC 3 VP VC 0 37 169 11 03 95 11 45 17 386 TRACE SLOT 5 ATM LE Code 41 EC Calling SIG Close VC cct 3 call ref 11 sig id 3 170 11 03 95 11 45 17 386 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound CLOSE VC REQ FSMatmlmst cv nws call ref 11 State NETWORKWAIT Event ATM CLOSE VC ATM Release request call ref 11 cid 13 vpi vci E 21 Configuring ATM Services 171 11 03 95 11 45 17 386 WARNING Direct call accepted call collision drops old LEC pending VCC call ref incoming Data 11 for LEC 43 SLOT Code 34 5 ATM LE KKK KKK KKK KKK KKK KKK KKK kk ck KKK kk kk KKK KKK KKK kk kk kk KKK KKK KKK KKK KKK KKK KK KK While opening up the Data VC the LE client noticed that the remote LE client was also trying to open a Data VC Since this local LE client ATM address is smaller than the remote LE client ATM address the local LE client accepts the incoming Data VC and drops the outgoing Data VC KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KKK KKK KKK KKK Ck KKK KKK KKK KKK KKK KKK KK KKK KKK
138. er differences from the standard Mode 2 and it handles only AAL 3 4 Note Use this mode if your configuration uses pre ATM Forum DXI DSU CSU devices for example a Digital Link DL3200 2 6 ATM DXI Features and Implementation Notes Figure 2 3 illustrates how each mode handles data transfer from the router to the DSU CSU Mode 1A Mode 1B Mode 2 Mode 2 Proprietary ED JE E EE p AAL 3 4 AAL 3 4 DSU CSU AAL 5 AAL 3 4 DSU CSU AAL5 DSU CSU AAL5 AAL 3 4 Figure 2 3 DXI Modes of Operation To select a mode for your router configure the DXI Mode parameter refer to ATM Interface Parameter Descriptions in Chapter 4 for details Access Modes for ATM DXI Services You can enable each ATM PVC to function in one of three access modes group access direct access or hybrid access Within the same ATM physical interface you can configure PVCs to use different modes The following sections describe the access modes 2 7 Configuring ATM Services Group Access Mode In group access mode upper layer protocols treat each ATM network interface as a single access point to the switched network They use a single network address to send all traffic destined for the switched network to the ATM network interface Figure 2 4 shows a conceptual drawing of group access mode the default PT Site A ATM ATM Network Network Interf
139. er Manager Inbound VC MOD RESPONSE Message FSM atmlmst ced vmr call ref 10 State VC MOD MSG WAIT Event VC MOD RSP ATM Layer Manager Outbound Connect Response 142 11 03 95 11 45 17 046 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Signalling Connection Status Indication 143 11 03 95 11 45 17 050 DEBUG SLOT 5 ATM SIG Code 24 FSM atmimst ced tcsi call ref 10 State NETWORK WAIT Event AMUIAMTCNSTIND ATM Layer Manager Outbound Open Indication E 17 Configuring ATM Services 144 11 03 95 11 45 17 050 DEBUG SLOT 5 ATM_LE Code 45 LEC Multicast Fwd open call indicate for LEC 3 VP VC 0 36 KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KK KK KK The LEC has received an open indication for the multicast forward VC and can now inform upper layer applications that its services are available KKK KKK KK KKK KKK KKK ck kk KKK KK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK LEC API msg LE Event Response from LEC 3 UserHandle 15592560 TransId 00000000 Rx VCC Added Event from LEC 16308 VCC 0 36 145 11 03 95 11 45 17 050 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC RESP 146 11 03 95 11 45 17 132 TRACE SLOT 5 ATM_LE Code 41 LEC Calling SIG_Bind LE_8023_DATA cct 3 bind_id 1 147 11 03 95 11 45 17 132 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Mana
140. er receives traffic destined for the network it alternately chooses Path A or Path B at random to transmit the data The router uses both lines simultaneously to balance the load If one of these connections fails the router uses the remaining path 2 12 ATM DXI Features and Implementation Notes You can configure multipath for direct access mode PVCs only The most significant part of configuring multipath is how you set a PVC s VPI VCI pair This number identifies each PVC thereby identifying a path for the router to direct data out to the network See Setting PVCs for Multipath Mode in Chapter 4 for instructions on configuring multiple PVCs to run in multipath mode Note f you use multipath mode packets traveling on the two paths may arrive at their destination out of sequence Some protocols do not tolerate packets arriving out of sequence As a result you may experience poor performance or failures 2 13 Chapter 3 Enabling ATM DXI Service Before you can enable ATM DXI service you must 1 Open a configuration file 2 Specify router hardware if using a local mode configuration file 3 Select the link or net module interface on which you are enabling ATM DXI If you have questions about how to perform any of these preliminary tasks refer to Configuring Routers For each ATM DXI parameter this chapters provides information about default settings valid parameter options the parameter function ins
141. ervices in Chapter 2 1 3 6 1 4 1 18 3 5 9 5 14 1 9 4 14 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing ATM DXI Parameters Multiprotocol Encapsulation RFC 1483 Style RFC 1483 Style RFC 1294 Style No MPE Determines whether the outbound packets on the selected interface are encapsulated with a multiprotocol header per RFC 1294 or RFC 1483 All direct access mode PVCs configured for the selected interface use the value of this field We recommend selecting RFC 1483 Style If you are running an ATM DXI version lower than Version 8 00 select RFC 1294 Style for backward compatibility If you select No MPE the router interprets this as virtual channel based multiplexing which is not supported for bridging 1 3 6 1 4 1 18 3 5 9 5 14 1 12 CS PDU Encapsulation AALS Encapsulation AALS Encapsulation AAL3 4 Encapsulation No Encapsulation Determines whether the outbound packets on the grouped virtual channels use the AAL 3 4 CS PDU encapsulation or the AAL 5 CS PDU encapsulation The encapsulating method is based on the ATM Forum s ATM DXI specification Choose either AAL 3 4 or AAL 5 according to the desired encapsulation method No Encapsulation is a proprietary value Select this value when you do not want CS PDU encapsulation 1 3 6 1 4 1 18 3 5 9 5 14 1 13 4 15 Configuring ATM Services
142. es The ATM DXI Interface List window opens refer to Figure 4 2 Click on PVCs The ATM DXI PVC List window opens refer to Figure 4 3 Select the PVC you want to delete 4 24 Editing ATM DXI Parameters 4 Click on Delete Site Manager asks you to confirm the deletion 5 Clickon OK to delete the PVC Deleting ATM DXI from the Router To delete ATM DXI from all circuits on which it is currently configured complete the following steps 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI gt Delete ATM Site Manager asks Do you REALLY want to delete ATM 2 Click on OK Site Manager returns you to the Configuration Manager window ATM DXI is no longer operating on the router 4 25 Chapter 5 ATM Features and Implementation Notes In a Bay Networks router intelligent link interface ILI pairs provide access and processing An ILI pair consists of a link module and a processor module that work together to process and transmit information over a network Bay Networks currently provides the following ATM ILI pairs e AnATM FRE2 link module in conjunction with a Fast Routing Engine FRE2 processor e An ATM Routing Engine link module in conjunction with an ATM Routing Engine ARE processor Either ILI pair allows the router to connect directly to an ATM network over any of these physical interfaces e Synchronous Optical Network Synchronous Digital Hierarchy SONE
143. eter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Service and Interface Parameters LE Server ATM Address None Any valid ATM address Defines the LAN emulation server that this client uses when it starts The client uses the LAN emulation server to establish the Control Direct VCC You do not have to set this address when using Automatic configuration mode If you select Manual configuration mode enter the address of the LAN emulation server If you select Automatic configuration mode you do not have to enter this address 1 3 6 1 4 1 18 3 5 9 5 20 1 1 9 Control Timeout 5 5 to 32767 Defines the timeout period used for timing out most request response control frame interactions Accept the default 5 or enter a value from 5 to 32767 1 3 6 1 4 1 18 3 5 9 5 20 1 1 10 Max Unknown Frame Count 1 to 10 Defines the maximum number of unknown frames an LE client can send within the interval specified with the Max Unknown Frame Time parameter A frame is considered unknown when the LE client does not recognize the destination MAC address In this case the unknown frame goes to the BUS for distribution This parameter helps to limit unknown frame traffic to the BUS Accept the default 1 or enter a value from 1 to 10 1 3 6 1 4 1 18 3 5 9 5 20 1 1 11 8 31 Configuring ATM Services Parameter Default Ran
144. ets in length to the PDU to allow decoding The decoding process determines the proper Service Access Point SAP 2 2 ATM DXI Features and Implementation Notes When receiving packets this function evaluates the header to determine whether the PDU is a valid routed or bridged packet If it is valid this function then strips the header from the packet and passes it to the appropriate SAP for routing or bridging AAL Sublayer Support The CS in the router logically connects to the SAR in the DSU CSU using a common interface defined by the ATM DXI protocol The ATM DXI protocol interface transfers PDUs between the CS and the SAR Figure 2 2 shows the functional division of the AAL sublayers between the router and the DSU CSU Bridge Router Upper Layer Protocols Multiprotocol Encapsulation Convergence Sublayer ATM DXI ATM DXI DSU CSU AAL ATM DXI SAR Sublayer ATM Layer Physical Layer Figure 2 2 AAL Layer Division between Bridge Router and DSU CSU 2 3 Configuring ATM Services ATM DXI Error Checking The ATM DXI verifies that the VPI VCI is valid for the PVCs configured for that ATM circuit It also verifies the header format as defined by the value of the DXI Mode parameter Refer to the ATM DXI Modes of Operation section later in this chapter for details ATM DXI also verifies that the BTag field in the CS PDU header is equal to the ETag field in the CS PDU trailer and ensures that
145. example you need to use hybrid access mode Configuring ATM Services If you define the PVCs in hybrid access mode as shown in Figure 2 6 each PVC acts as a bridge port This enables the bridge running on the ATM interface to view the traffic from Site A as arriving on a different port than that of Site B When the bridge sends out data it now has access to all of its ports including the port that accesses Site B Therefore data from Site A can reach Site B Using Hybrid Access for Routing In hybrid access mode routing protocols view the ATM network interface in terms of group access PVCs as described in the Group Access section earlier in this chapter Multipath Support Our implementation of ATM DXI provides a redundancy multipath feature This means for example that if there are two physical lines and one line fails the other takes over the task of transmission redundancy If both lines are working the router uses both lines simultaneously multipath The multipath feature lets you group several lines that back up one another to ensure that information makes it across the network Figure 2 8 shows a network with two physical links across the ATM network Path A ATM Network JL Router Router Figure 2 8 Multipath Network In this example when the rout
146. fication Version 3 0 the SAAL resides between the ATM layer and the Q 2931 signaling layer SAAL reliably transports signaling messages between peer Q 2931 entities over the ATM layer refer to Figure 5 2 ATM Error Checking ATM verifies that the VPI VCI is valid with respect to the PVCs configured for the ATM circuit It also verifies the header format ATM verifies valid SVC connection through signaling messages Simulated Multicast Packet Support Simulated multicasting is generally used in certain address resolution techniques and for applications that require the delivery of identical information to multiple recipients Bay Networks ATM routers simulate multicasting by sending a copy of the multicast or broadcast packet to every available virtual circuit on a particular logical interface 5 6 ATM Features and Implementation Notes ATM Implementation Notes This section describes special features regarding how we implement ATM Service Records and Virtual Circuits ATM devices communicate using virtual circuits These virtual circuits transmit and receive ATM cells containing upper layer protocols Service records provide a way of creating logical interfaces within the physical ATM interface for these upper layer protocols In essence these service records allow you to e Organize multiple VCs into logical groups e Create direct point to point connections e Assign delete and modify upper layer protocols for just one
147. g average rate The average rate equals the total number of cells transmitted divided by the duration of the connection Using the sustainable cell rate SCR you can define the future cell flow of a VC in greater detail than by just using the peak cell rate For ATM FRE2 ILI pairs specifying the SCR controls the rate over time not at a specific instant of time and can help you more efficiently use your network resources For ATM ARE ILI pairs the SCR maps directly to the minimum cell rate MCR The MCR defines the minimum amount of guaranteed bandwidth allowed for PVCs and Control VCs on the ATM line When setting the SCR for ATM FRE2 ILI pairs keep the following in mind The SCR is essentially a future average By setting the SCR you are specifying the cell rate over time to which you want the VC to conform To be useful the SCR must not exceed the PCR e If you know the user average rate set the SCR about 10 percent higher than this value e ATM FRE2 ILI pairs require a minimum SCR value of 300 cells s PVCs may fail to operate with SCR values less than 300 cells s When setting the SCR for ATM ARE ILI pairs keep the following in mind The SCR maps directly to the MCR The MCR provides guaranteed bandwidth for PVCs and Control VCs while allowing sufficient bandwidth for SVCs to operate To be useful the SCR must not exceed the PCR 8 23 Configuring ATM Services Instructions MIB O
148. ge Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Max Unknown Frame Time 1 to 60 Defines the Maximum Unknown Frame Time value in seconds This value specifies the maximum amount of time allowed to send the number of unknown frames specified with the Max Unknown Frame Count parameter For example if you use the defaults for these parameters a LAN emulation client can send up to one unknown frame within 1 second for any given MAC address without having to initiate the address resolution protocol to resolve that MAC address This parameter helps to limit unknown frame traffic to the broadcast and unknown server BUS Accept the default 1 or enter a value from 1 to 60 1 3 6 1 4 1 18 3 5 9 5 20 1 1 12 VCC Timeout Period Enable Enable Enable Disable Defines the state of the virtual channel connection VCC timeout period When you enable this parameter a LAN emulation client may release any unused Data Direct or Multicast Send VCCs after the VCC timeout period expires The ATM drivers provide a timeout period of 20 minutes Accept the default Enable if you want this LAN emulation client to release unused Data Direct VCCs after the VCC timeout period expires Select Disable if you do not want this LAN emulation client to release unused Data Direct VCCs after the VCC timeout period expires 1 3 6 1 4 1 18 3 5 9 5 20 1 1 13 8 32 Pa
149. ger Inbound Bind Request ATM Layer Manager Outbound Bind Request ATM Layer Manager Outbound Bind Confirm E 148 11 03 95 11 45 17 136 TRACI SLOT 5 ATM LE Code 41 EC Transitioning into the ATM LEC OPERATIONAL state for cct 3 Line 1405101 Circuit 3 ATM LEC Data SAP binding complete EC Calling SIG Register CPN cct 3 bind id 1 sig id 3 reg id 4 149 11 03 95 11 45 17 136 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Register Request ATM Layer Manager Outbound Register Confirm 150 11 03 95 11 45 17 140 TRACI SLOT 5 ATM LE Code 41 lling SIG Register BLLI cct 3 bind id 1 sig id 3 reg id 5 bu B Q Q 151 11 03 95 11 45 17 148 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Register Request 152 11 03 95 11 45 17 152 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Outbound Register Confirm 153 11 03 95 11 45 17 160 TRAC E SLO 5 A LE Code 37 Line 1405101 Circuit 3 ATM LEC Data SAP register confirm for reg_id 4 Line 1405101 Circuit 3 ATM LEC Data SAP register confirm for reg_id 5 ATM Sample Log 154 11 03 95 11 45 17 175 DEBUG SLOT 5 ATM LE Code 45 LEC Control Packet Opcode ARP Req Type REQUEST Transaction Id 00000001 Requestor LECID 0050 Flags 0000 Lan Type 802 3 155 11 03 95 11 4
150. ger Inbound Signalling Connection Status Indication 88 11 03 95 11 45 14 976 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound Signalling Connection Confirm FSM atmlmst cing tcc call_ref 6 State NETWORK WAIT Event AMUIAMTCONCFM 89 11 03 95 11 45 14 984 INFO SLOT 5 ATM Code 8 Line 1405101 vpi vci 0 32 has been activated KKK KKK KKK KKK KKK KKK ck kk Ck Ck kk kk ck ck ck kk kk kk kk KKK KKK KKK KKK KK kk ck ck KKK KKK KKK KK KKK The router successfully opened the VCC that the Config Direct VC uses KKK KKK KKK ck ck ck KKK KKK KKK Ck kk Sk kk ck ck ck kk KKK KKK ck ccc kk kk Ck Sk KKK KKK KKK KKK KKK KKK KKK 90 11 03 95 11 45 14 984 INFO SLOT 5 ATMINTF Code 15 Port 1 virtual channel VPI 0 VCI 32 call reference 6 activated ATM Sample Log 91 11 03 95 11 45 14 984 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound VC MOD RESPONSE Message FSM atmlmst cing vmr call ref 6 State VC MOD MSG WAIT Event VC MOD RSP ATM Layer Manager Outbound Open Confirm 92 11 03 95 11 45 14 984 DEBUG SLOT 5 ATM LE Code 45 EC opened Config Direct VCC 0 32 EC Control Packet Opcode CONFIG Req Type REQUEST 93 11 03 95 11 45 14 988 DEBUG SLOT 5 ATM LE Code 45 Transaction Id 00fb7b60 Requestor LECID 0000 Flags 0000 Lan Type Unspec Max Frame Size Unspec Lan Namet Targ ATM Address 00000000000000000000000
151. gnaling Parameters Window rannvvnrnnrrnnnnnvnnnvrrnnnnnvnnrrrrennnnrnnnenne A 5 Table A 12 ATM Control VC for Signaling Window sese A 6 Table A 13 ATM Signaling AAL Records List Window renannnvnrerrrrnnnnvnnenrrennnnrnnnnnnn A 6 Table A 14 ATM ILMI Signaling Parameters Window eene A 7 Table A 15 ATM Control VC for ILMI Window seeneenmm A 7 Table A 16 ATM ARP Configuration Window rnrenannvvnrnnrrnnnnnvnrerrrennnnvnnrrrrennnnrnneenne A 7 xvii About This Guide This guide offers A general overview of Asynchronous Transfer Mode ATM technology and a list of additional resources that describe ATM Chapter 1 Specific features of ATM DXI Data Exchange Interface and how we implement them Chapter 2 Instructions for enabling ATM DXI on an interface Chapter 3 Descriptions of ATM DXI parameters and how to edit them Chapter 4 Specific features of ATM and how we implement them Chapter 5 Instructions for enabling ATM on an interface Chapter 6 ATM editing basics including methods of accessing various ATM parameter windows where and how to edit bridging and routing protocols for an ATM virtual circuit and different ways to delete ATM Chapter 7 Descriptions of ATM service record and interface parameters and how to edit them Chapter 8 Descriptions of ATM signaling and interim local management interface ILMI parameters and how to edit them Chapter 9
152. gnaling Parameters window also provides access to the signaling VC parameters The signaling VC provides a dedicated VPI 0 and VCI 5 for ATM signaling functions Caution The signaling VC 0 5 and the ILMI VC 0 16 are reserved These VCs remain in an operational state as long as signaling is enabled on the ATM interface Because most ATM devices use these VPI VCI pairs for signaling we recommend that you not change these values 7 12 ATM Editing Basics Figure 7 12 shows the window sequence for the ATM signaling category Edit ATM Connector window 1 ATM Signaling J m ATM Signaling i Parameters window L p ATM Control VC for 1 Signaling window Figure 7 12 ATM Signaling Parameters Window Sequence 7 13 Configuring ATM Services Selecting SAAL Attributes Signaling AAL SAAL attributes define the connection and timer parameters the router uses to maintain a switched connection SAAL provides reliable transport of signaling messages within the ATM protocol reference model Selecting this category opens the ATM Signaling AAL Records List window Figure 7 13 Dane Apply Link Connection Arbitration Poll Timer Keep Alise Timer Ho Response Timer Comertion Cmtrol Timer Figure 7 13 ATM Signaling AAL Records List Window 7 14 ATM Editing Basics Figure 7 14 shows the window sequence for the SAAL category ATM Signaling AAL Records List window
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154. h the proper IP address For instructions See Deleting an Adjacent Host on page C 16 Configuring ATM Services Adjacent Host Parameter Descriptions Use the following descriptions to set parameters in the IP Adjacent Hosts window and the IP Configuration window Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Enable Enable Enable Disable Specifies the state active or inactive of the adjacent host in the IP routing tables Select Disable to make the adjacent host record inactive in the IP routing table the IP router will not consider this adjacent host Select Enable to make the adjacent host record active again in the IP routing table 1 3 6 1 4 1 18 3 5 3 2 1 6 1 2 IP Adjacent Host Address None Any valid IP address Specifies the IP address of the device that you want to configure as an adjacent host Enter the IP address in dotted decimal notation 1 3 6 1 4 1 18 3 5 3 2 1 6 1 3 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Configuring Classical IP over ATM Next Hop Interface Addr 0 0 0 0 Any valid IP address Specifies the IP address of the router s network interface to the adjacent host Enter the IP address in dotted decimal notation 1 3 6 1 4 1 18 3 5 3 2 1 6 1 4 MAC
155. hat represents the maximum packet size you intend this VC to transmit We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 17 Maximum AAL CPCS Receive SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the receive direction Enter an octet value that represents the maximum packet size you intend this VC to receive We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 18 9 35 Appendix A Site Manager Default Settings for ATM This appendix lists the Site Manager default parameter settings for ATM DXI and ATM Use the Configuration Manager to edit any default settings listed here Table A 1 ATM DXI Interface List Window Parameter Default Enable Enable Interface Description None DXI Mode Mode 1A Max number of VCs 512 Multiprotocol Encapsulation RFC 1483 Style MPE CS PDU Encapsulation AAL5 Encapsulation Multicast Disable LMI Enable Enable Table A 2 ATM DXI Virtual Circuit Window Parameter Default VPI Number None VCI Number None A 1 Configuring ATM Services Table A 3 ATM DXI PVC List Window Parameter Default Enable Enable Mode Group Access Multiprotocol Encapsulation RFC 1483 Style CS PDU Encapsulatio
156. he VPI is part of the cell header The header can contain a maximum of 8 VPI bits for a UNI connection This bit range allows for path identifiers from 0 to 255 Enter a value from O to 255 1 3 6 1 4 1 18 3 4 23 1 5 1 3 VCI Number None 32 to 65535 Identifies the virtual channel of the PVC The VCI is part of the cell header The header can contain a maximum of 16 VCI bits This bit range allows for path identifiers from 0 to 65535 Enter a value from 32 to 65535 1 3 6 1 4 1 18 3 4 23 1 5 1 4 Note Following the recommendation of the ATM Forum virtual channel identifiers from 0 to 31 are reserved for signaling and added functionality 8 17 Configuring ATM Services Editing PVC Parameters To edit PVC parameters Note You must add or copy a PVC to a service record before you can edit it Refer to Adding or Copying PVCs earlier in this chapter 1 Inthe Edit ATM Connector window refer to Figure 8 1 click on Service Attributes The ATM Service Records List window opens Figure 8 8 Fina iy mr LO g Help Enable Disable EHARLI User Part utmgereratidgn FHABL E ATH Addr l r Part he HMMM ATA Adir Wet Prefix Opticnal HTLI Figure 8 8 ATM Service Records List Window 2 Click on the service record that contains the PVC you want to edit 8 18 Editing ATM Service and Interface Parameters 3 Click on PVC The ATM Virtual Channel Link window opens Figure 8 9 ATH GRE Slot
157. he connection and processing that allow you to connect directly to an ATM network An ATM FRE2 link module works in conjunction with a Fast Routing Engine FRE 2 processor and an ATM Routing Engine link module works with an ATM Routing Engine ARE processor These ILI pairs process variable length packets into uniform 53 byte cells and transmit them directly onto the ATM network For additional information about direct ATM connection and how to customize your ATM interface refer to Chapters 5 6 7 8 and 9 For More Information For more information about ATM refer to the following documents ATM Forum ATM Data Exchange Interface Specification Version 1 0 August 1993 ATM Forum ATM User Network Interface Specification Version 3 0 September 1993 ATM Forum LAN Emulation Over ATM Version 1 0 January 1995 Bellcore Document SR NWT 001763 Issue 1 Preliminary Report on Broadband ISDN Transfer Protocols December 1990 FA NWT 001109 Broadband ISDN Transport Network Elements Framework Generic Criteria December 1990 FA NWT 001110 Broadband ISDN Switching System Framework Generic Criteria December 1990 Bradley T Brown C and Malis A Multiprotocol Interconnect over Frame Relay RFC 1294 Network Working Group January 1992 De Prycker M Asynchronous Transfer Mode Solution for Broadband ISDN Ellis Horwood Limited 1991 Configuring ATM Services Grossman D Hoffman E Liaw F Mali
158. hen you select the service attributes category and configure a PVC ATM Service Records List window ATM Service Record Parameters window Cancel ATM Virtual Channel Link window ATM Virtual Channel Link Parameters window Figure 7 5 Service Attributes Window Sequence PVCs 7 7 Configuring ATM Services Enabler Dist FHABLE User Part Firbegzerverimd oes FHABL E ATH Addr User Part hoc MCA MOR MOE ATA Addr Het Prefix Options BTL Figure 7 6 ATM Service Records List Window SVC with LANE 802 3 Figure 7 7 shows the sequence of windows that can appear when you select the service attributes category and configure an SVC with LAN emulation ATM Editing Basics O ATM Service Records List window ATM Service Record Parameters window LAN Emulation Parameters window ATM Switched Virtual Circuit List window Figure 7 7 Service Attributes Window Sequence SVCs with LAN Emulation Note With the exception of the LAN Emulation Parameters window the service attributes window sequence for an SVC running LLC SNAP or NULL data encapsulation RFC 1577 is the same as in Figure 7 7 7 9 Configuring ATM Services Selecting Interface Attributes Interface attributes define the state of the ATM interface Selecting this category opens the ATM Interface Attributes window Figure 7 8 Done Apply LI TET PPS Helos ss Administ
159. hnical Response Center xxii Broadband Integrated Services Digital Network B ISDN 1 1 Broadcast and Unknown Server BUS description of B 3 BUS Connect State LAN emulation B 6 BUS description of B 3 C Call Proceeding Received timer 9 9 cell switching 1 7 technology 1 1 Classical IP configuring C 1 to C 13 enabling 6 14 overview C 1 to C 4 CMS role of D 5 CompuServe Bay Networks forum on xxi Configuration Manager Protocols menu using 7 5 Configuration Mode parameter 8 29 Configure State LAN emulation B 5 configuring adjacent hosts C 11 ATMARP C 4 to C 8 Connect Sent timer 9 9 Connection Control Timer parameter 9 24 Connection Management System CMS software role of D 5 Control Timeout parameter 8 31 Convergence Sublayer CS description of 1 4 copying PVCs 4 10 8 15 to 8 16 CS PDU Encapsulation parameter ATM DXI Interface List window 4 6 ATM DXI PVC List window 4 15 customer support See getting help D Data Encapsulation assigning 7 18 methods of 7 18 selecting 7 19 Data Encapsulation Type parameter 8 9 8 25 defaults ATM DXI parameters A 1 to A 2 ATM parameters A 2 to A 7 deleting adjacent hosts C 16 ATM from router 7 34 ATM interfaces 7 33 PVCs 7 29 to 7 30 service records 7 32 SVCs 7 31 to 7 32 direct access mode ATM DXI 2 9 Drop Party Sent timer 9 13 DSU CSU 1 8 2 1 DXI Mode parameter 4 5 Index 3 E Edit ATM Connector
160. hts of the United States Government regarding its use reproduction and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AEN BCN BLN BN CN FRE LN Optivity SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and AN ANH ASN BaySIS BayStack BCNX BLNX BNX EZ Internetwork EZ LAN FN PathMan PhonePlus PPX Quick2Config RouterMan SPEX Bay Networks Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright O 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other
161. ical Link Control LLC header prefixes each PDU You can assign LLC SNAP encapsulation to e PVC service records e SVC service records e Individual PVCs Note Assigning LLC SNAP to an SVC service record automatically invokes the technology defined in RFC 1577 Classical IP and ARP over ATM NULL Encapsulation RFC 1483 refers to this method as VC based multiplexing This method performs higher layer protocol multiplexing implicitly using ATM virtual circuits You can assign NULL encapsulation to e PVC service records e SVC service records e Individual PVCs Note Assigning NULL to an SVC service record automatically invokes the technology defined in RFC 1577 Classical IP and ARP Over ATM 7 18 ATM Editing Basics LANE 802 3 LANE 802 3 provides Ethernet encapsulation of ATM PDUS for transmission over an emulated Ethernet LAN You can assign LANE 802 3 to SVCs only Selecting a Data Encapsulation Method Generally speaking the designers of these data encapsulation methods envisioned that NULL encapsulation would dominate in environments where dynamic creation of large numbers of ATM VCs is fast and economical These conditions usually exist in private ATM networks LLC SNAP encapsulation is an alternative for environments in which it is not practical to have a separate VC for each carried protocol for example if the ATM network supports only PVCs or if charging depends heavily on the number of simu
162. ications Phone FAX U S Canada FAX International AAL ALC ARE ARP ATM B ISDN BUS CPCS CS CSU DCE DSU DTE DXI FRE ILI 1 800 845 9523 1 800 582 8000 1 916 939 1010 ATM Adaptation Layer Adaptation Layer Controller ATM Routing Engine Address Resolution Protocol Asynchronous Transfer Mode Broadband Integrated Services Digital Network broadcast and unknown server common part convergence sublayer convergence sublayer channel service unit data communications equipment data service unit data terminal equipment data exchange interface Fast Routing Engine intelligent link interface xxiii Configuring ATM Services ILMI IP ITU T LANE LE LEC LECS LES MAC MTU NMA NMS OSI OSPF PDU PVC RIP SAP SAR SDH SDU SMDS SNAP SNMP SONET SRM SSCOP SSCS SVC UNI VCC VCI interim local management interface Internet Protocol International Telecommunications Union Telecommunication Standardization Sector LAN emulation LAN emulation LAN emulation client LAN emulation configuration server LAN emulation server Media Access Control Maximum Transmission Unit network management application network management station Open Systems Interconnection Open Shortest Path First protocol data unit permanent virtual circuit Routing Information Protocol service access point segmentation and reassembly Synchronous Digital Hierarchy service data unit Switched Multimegabit Data
163. id 0 Sending FLUSH REQuest for MAC 0x0000a20d72e2 with id 1 KKK KKK KKK ck ok ck KKK ck ck kk Ck Ck Ck kk KKK KKK KKK KKK kk kk ck kk kk Sk kk KKK KKK KKK KKK KKK KK KK KK This LEC sends a flush request and modifies the LE ARP cache so that packets destined for the MAC address 00 00 a2 0d 72 e2 temporarily drop KKK KKK KKK ck ck ck KKK ck kk Ck kk Sk kk ck ck KKK KK KKK KKK KKK kk kk kk KKK KKK KKK KKK KKK KKK KK KK KK LEC Control Packet Opcode FLUSH Req Type REQUEST 186 11 03 95 11 45 22 410 DEBUG SLOT 5 ATM LE Code 45 Transaction Id 00000001 Requestor LECID 0050 Flags 0000 Lan Type Unspec Max Frame Size Unspec Lan Name Targ ATM Address 39000000000000000000000000 0000a20d72e2 00 Dest LAN Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Sre LAN EC Flush packet not for LEC 3 discarded 187 11 03 95 11 45 22 414 DEBUG SLOT 5 ATM LE Code 45 EC Control Packet Opcode FLUSH Req Type RESPONSE Status SUCCESS E 26 ATM Sample Log Transaction Id 00000001 Requestor LECID 0050 Flags 0000 Lan Type Unspec Max Frame Size Unspec Lan Names seo Targ ATM Address 39000000000000000000000000 0000a20d72e2 00 Dest LAN Src ATM Address 39000000000000000000000000 0000a20e9fca 00 Orc DAN Received FLUSH RESPonse for MAC 0x0000a20d72e2 with id 1 Line 1405101 Circuit 3
164. ig Resp parsed successfully KKK KKK KK KK KKK KKK ck ck kk kk kk kk ck ck KKK KK KKK KKK KKK KKK KKK Sk kk KKK KKK KKK KKK KKK KKK KKK The LE client received a response to its Config Request this response was parsed correctly The response contains information such as the LAN emulation server address for this LE client The MIB object wfAtmLecStatusEntry contains additional information about the emulated LAN the ATM address LE client will join The MIB object wfAtmLecOperConfigEntry contains information about the operational parameters for this LEC KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 97 11 03 95 11 45 15 000 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound OPEN VC REQ 98 11 03 95 11 45 15 000 TRACE SLO 5 ATM_LE Code 41 LEC Called SIG Open VC cct 3 call ref 7 sig id 1 LEC Transitioning into the ATM LEC JOIN state for cct 3 99 11 03 95 11 45 15 000 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons 100 11 03 95 11 45 15 003 DEBUG SLOT 5 ATM SIG Code 24 FSM atmlmst cing rr call ref 7 State RESERVE WAIT Event ATM VC RESERVE RSP MS ATM Layer Manager Outbound Connect Request 101 11 03 95 11 45 15 949 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound Signalling Connection Status Indication E 12 102 Even
165. indow opens refer to Figure 7 17 2 Click on the service record for which you want to edit protocols 3 Click on Protocols in the upper left corner of the window 4 Click on the protocol that you want to edit The Configuration Manager displays protocol specific windows where you can edit parameters If you need assistance editing any parameters consult the appropriate protocol specific guide Note The Protocols menu provides multiple levels for some protocols to assist you in locating specific configuration parameters For example when editing the Bridge protocol that also uses Spanning Tree you can bypass the upper level bridging parameters and edit the Spanning Tree parameters directly Figure 7 19 Figure 7 19 Protocols Menu Multiple Levels 7 24 ATM Editing Basics Adding Deleting and Editing Bridging Protocols for Hybrid PVCs After you designate a PVC as a hybrid bridged VC you can add delete or edit additional bridging protocols for that PVC Note Hybrid PVCs use the nonbridging protocols defined in the ATM Service Records List window To add or delete a bridging protocol 1 Inthe Edit ATM Connector window refer to Figure 7 2 click on Service Attributes The ATM Service Records List window opens Figure 7 20 LE 802 3 SYC gt RFC 1480 ALLC SWC RFC 1480 ML SVC mE RFC 1480 LLC PYE Apply Holp Enables Disable User Part futbogererntidcn ATH Addr Weer Fart ATA Addr Het
166. ines LLC SNAP as the encapsulation type for ATMARP e Add IP and IP routing protocols to the circuit Configure ATMARP to run on the router as a client or a server Note For full compatibility with RFC 1577 you may have to specify an MTU size of 9188 bytes Refer to Configuring Line Services for additional information about setting the MTU size To configure an ATMARP client or server 1 In the Configuration Manager window select an ATM link module click on a connector and name the circuit The Initial ATM Signaling Config window opens Figure C 3 C4 Configuring Classical IP over ATM Initial ATM Signaling Config Cancel OK Values Help Enable ATM Signaling Max Number of SVC Applications Max Point to Point Connections Max Point to MultiPoint Connections Max Parties In MultiPoint Connections 1 Figure C 3 Initial ATM Signaling Config Window 2 Edit the parameters and click on OK The Edit ATM Connector window opens Figure C 4 Edit ATM Connector Service Attributes ATM Signaling Interface Attributes Signaling AAL SAAL Line Attributes Interim Local Management Interface ILMI Delete ATM Figure C 4 Edit ATM Connector Window C 5 Configuring ATM Services 3 Click on Service Attributes The ATM Service Records List window opens Click on Add The ATM Service Record Parameters window opens Figure C 5 Data Encapsulation Type Virtual Connection Type Leer
167. ing 7 6 window sequence PVC 7 7 window sequence SVC 7 9 service records adding PVC 6 8 to 6 10 8 4 to 8 6 adding SVC 6 10 8 7 data encapsulation types for 6 7 definition of 5 7 deleting 7 32 Setup Sent timer 9 7 Signaling AAL See SAAL signaling attributes editing 9 2 to 9 3 Signaling Control VC parameters editing 9 15 to 9 16 Index 7 signaling support 5 5 Status Enquiry Sent timer 9 12 Sustainable Cell Rate SCR description of 5 15 parameter ILMI Control VC 9 33 PVC 8 23 Signaling Control VC 9 18 SVCs access methods for 5 12 and service records 5 7 deleting 7 31 to 7 32 encapsulation methods for 7 18 to 7 20 overview 1 8 T T303 parameter 9 7 T308 parameter 9 8 T309 parameter 9 8 T310 parameter 9 9 T313 parameter 9 9 T316 parameter 9 10 T316c parameter 9 11 T322 parameter 9 12 T398 parameter 9 13 T399 parameter 9 13 TDisc parameter 9 12 timers See specific timer U Use Hardware MAC Address parameter 8 38 User Part Autogeneration parameter 8 10 V VCC Timeout Period Enable parameter 8 32 VCI Number parameter ATM 6 17 8 17 ATM DXI 3 7 4 11 VCI parameter signaling 9 7 virtual channel identifier VCI definition of 1 7 virtual circuits See PVC or SVC Virtual Connection Type parameter 8 9 virtual path identifier VPI definition of 1 7 VPI Number parameter ATM 6 17 8 17 ATM DXI 3 7 4 11 VPI parameter signaling 9 6 W
168. ing Mode Specifies the upper limit of the ATM connection conforming average rate The average rate equals the total number of cells transmitted divided by the duration of the connection Using the sustainable cell rate SCR you can define the future cell flow of a VC in greater detail than by just using the peak cell rate For ATM FRE2 ILI pairs specifying the SCR controls the rate over time not at a specific instant of time and can help you more efficiently use your network resources For ATM ARE ILI pairs the SCR maps directly to the minimum cell rate MCR The MCR defines the minimum amount of guaranteed bandwidth allowed for PVCs and Control VCs on the ATM line When setting the SCR for ATM FRE2 ILI pairs keep the following in mind The SCR is essentially a future average By setting the SCR you are specifying the cell rate over time to which you want the VC to conform To be useful the SCR must not exceed the PCR e If you know the user average rate set the SCR about 10 percent higher than this value e ATM FRE2 ILI pairs require a minimum SCR value of 300 cells s PVCs may fail to operate with SCR values less than 300 cells s When setting the SCR for ATM ARE ILI pairs keep the following in mind The SCR maps directly to the MCR e The MCR provides guaranteed bandwidth for PVCs and Control VCs while allowing sufficient bandwidth for SVCs to operate To be useful the SCR must not exceed the
169. interfaces click on Done Site Manager returns you to the Configuration Manager window 4 3 Configuring ATM Services ATM DXI Interface Parameter Descriptions Use the following guidelines to set the parameters in the ATM DXI Interface List window Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Enable Enable Enable Disable Enables or disables ATM DXI on the selected interface Set to Disable if you want to disable ATM DXI for the selected interface 1 3 6 1 4 1 18 3 5 9 5 2 1 2 Interface Description None 1 to 63 alphanumeric characters Describes the selected ATM interface Enter text to describe the destination or the purpose of the interface 1 3 6 1 4 1 18 3 5 9 5 2 1 7 4 4 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM DXI Parameters DXI Mode Mode 1A Mode 1A Mode 1B Mode 2 Mode 2 Proprietary Identifies the ATM DXI mode of operation for this interface based on the ATM Forum s ATM DXI specification Each mode relates to a different set of operations and functionality between the router and DSU CSU Enter the desired mode of operation Refer to ATM DXI Modes of Operation in Chapter 2 for a detailed description of each mode The DXI header size is different for Mode
170. ion functions as defined in RFC 1483 that enable concurrent bridging and multiprotocol routing support on the same VC e Interim Local Management Interface ILMI ATM address registration ARP and Inverse ARP support 5 2 ATM Features and Implementation Notes e Classical IP and ARP over ATM functions as defined in RFC 1577 e LAN emulation LANE functions as defined in the ATM Forum LAN Emulation Over ATM specification Version 1 0 Note Bay Networks routers currently provide only Ethernet IEEE 802 3 emulated LAN connectivity e ATM signaling functions as defined in the ATM Forum ATM User Network Interface specification Version 3 0 e Signaling AAL functions as defined in the ATM Forum ATM User Network Interface specification Version 3 0 e Error checking e Broadcasting and simulated multicasting support The Segmentation and Reassembly SAR sublayer of the AAL e The ATM layer defined in the B ISDN reference model Multiprotocol Encapsulation Multiprotocol encapsulation enables the router to multiplex combine and demultiplex separate bridged or routed protocol data units PDUs For transmission the encapsulation process adds a header between two and eight octets in length to the PDU to allow decoding The decoding process determines the proper service access point SAP When receiving information the encapsulation method evaluates the header to determine whether the PDU is a valid routed or bridged cell If
171. ion of the ATM address user part If you set this parameter to Disable you must enter a value for the MAC Address Override parameter 1 3 6 1 4 1 18 3 4 23 1 1 1 18 8 38 Parameter Default Options Function Instructions MIB Object ID Editing ATM Service and Interface Parameters MAC Address Override None Any valid MAC address Redefines the hardware MAC address for this interface Also defines the endstation identifier for this interface when automatically generating the user part suffix of an SVC service record ATM address Using the MAC Address Override parameter is very helpful when you want to hot swap ATM link modules For example when hot swapping ATM link modules you can enter the MAC address of the original ATM link module as the MAC Address Override value for the new ATM link module This allows you to keep the information you have already configured on the existing ATM link module while maintaining the integrity of the existing client information on the network Enter a valid MAC address 1 3 6 1 4 1 18 3 4 23 1 1 1 19 8 39 Chapter 9 Editing ATM Signaling and ILMI Parameters Once you enable an ATM circuit you can use the Configuration Manager to edit ATM signaling and ILMI parameters Note 7o edit ATM parameters you must first enable ATM on the router If you have not yet enabled an ATM interface or if you want to enable additional ATM interfaces go to Chapter 6 for instr
172. is parameter blank or enter an ELAN name up to 128 alphanumeric characters that identifies the emulated LAN you want this client to join 1 3 6 1 4 1 18 3 5 9 5 20 1 1 8 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID MTU 4608 0 to 9188 Defines the Maximum Transmission Unit MTU in bytes that this service record can send The MTU size is typically determined by the driver However this parameter allows you to override the driver default to accommodate connection to devices that require different MTU sizes Accept the default or enter an MTU size for this service record 1 3 6 1 4 1 18 3 4 23 1 2 1 12 Note For full compatibility with RFC 1577 you may have to specify an MTU size of 9188 bytes 8 12 Editing ATM Service and Interface Parameters Adding or Copying PVCs Whether you add or copy a PVC you can always change its configuration later Adding a PVC To add a new PVC 1 In the Edit ATM Connector window refer to Figure 8 1 click on Service Attributes The ATM Service Records List window opens Figure 8 5 AFC 1485 LLC SY 7 HFL l14H3G MNL SVC E FFC 14807LLC PYC FFC 1485 0000 PVE Enatrle Dissble FHABLE User Part Furbeggereermdcoes FHARLT ATH Addr leer Part CC ATA Addr Mert Prefix Options HTLI Figure 8 5 ATM Service Records List Window 2 Click on the service record to which you want to add a PVC 8 13
173. ission Components Permanent and Switched Virtual Connections Virtual channels and virtual paths allow you to establish virtual channel links VCLs You can create VCLs as either permanent virtual circuits PVCs or switched virtual circuits SVCs Once you establish a PVC you can transfer information over it at any time Switched virtual circuits only activate through signaling and network switching when there is information ready for transmission ATM DXI versus ATM You can access an ATM network using either a synchronous link module running ATM data exchange interface DXI or an ATM link module However each method provides access in a different way A synchronous link module works in conjunction with a Fast Routing Engine FRE or FRE 2 to form an intelligent link interface ILI pair This ILI pair uses ATM DXI as a wide area network WAN protocol ATM DXI allows you to configure an interface on a synchronous interface to access an ATM network through an ATM DSU CSU In other words the router transfers variable length ATM DXI packets to the DSU CSU The DSU CSU then converts these packets into uniform 53 byte cells for transmission over the ATM network 1 8 ATM Overview For additional information about ATM DXI and how to customize your ATM DXI interface refer to Chapters 2 3 and 4 ATM link modules interact with specific processor modules to form intelligent link interface ILI pairs These ILI pairs provide t
174. ist Window SVC with LANE 802 3 7 8 Service Attributes Window Sequence SVCs with LAN Emulation 7 9 ATM Interface Attributes Window eem 7 10 Interface Attributes Window Sequence sss 7 10 ATM ARE Line Driver Attributes Window seem 7 11 ATM Signaling Parameters Window renrrnnnnnvnnonvrnnnnnrnnnnnrnnrnnrrrennnnnnennne 7 12 ATM Signaling Parameters Window Sequence usssuss 7 13 ATM Signaling AAL Records List Window rrrnnnnrnnnnnvnnnnnvvnnnnrrvnnnnnnnennne 7 14 ATM Signaling AAL Records List Window Sequence 7 15 ATM ILMI Signaling Parameters Window eene 7 16 Figure 7 16 Figure 7 17 Figure 7 18 Figure 7 19 Figure 7 20 Figure 7 21 Figure 7 22 Figure 7 23 Figure 7 24 Figure 7 25 Figure 7 26 Figure 7 27 Figure 7 28 Figure 7 29 Figure 8 1 Figure 8 2 Figure 8 3 Figure 8 4 Figure 8 5 Figure 8 6 Figure 8 7 Figure 8 8 Figure 8 9 Figure 8 10 Figure 8 11 Figure 8 12 Figure 8 13 Figure 9 1 Figure 9 2 Figure 9 3 Figure 9 4 Figure 9 5 Figure 9 6 Figure 9 7 Figure 9 8 ATM ILMI Signaling Parameters Window Sequence 7 17 ATM Service Records List Window 0csccccceceeeeeeeescsessesteaeseeeeeeees 7 22 Select Protocols Windows cccccceessesscceeceeeeeeesceecsessesae
175. ity access telephone support on site engineering assistance software subscription hardware replacement and other programs designed to protect your investment To purchase any of these support programs including PhonePlus for 24 hour telephone technical support call 1 800 2LANWAN Outside the U S and Canada call 408 764 1000 You can also receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your reseller Bay Networks provides several methods of receiving support and information on a nonpriority basis through the following automated systems XX About This Guide CompuServe InfoFACTS Bay Networks maintains an active forum on CompuServe All you need to join us online is a computer a modem and a CompuServe account We also recommend using the CompuServe Information Manager software available from CompuServe The Bay Networks forum contains libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products Software agents and patches are available and the message boards are monitored by technical staff and can be a source for problem solving and shared experiences Customers and resellers holding Bay Networks service contracts can visit the special libraries to acquire advanced levels of support documentation and software To open an account and receive a local dial up number call Compu
176. ltaneous virtual circuits The choice of multiplexing methods that two ATM stations use to exchange connectionless network traffic depends on the type of virtual circuit involved For PVCs you select the multiplexing method when you manually configure the connection e For SVCs the stations themselves negotiate the multiplexing method by sending B ISDN signaling messages These messages include low layer compatibility information that allows negotiation of AALS and the carried encapsulation protocol Note Routed and bridged PDUs are always encapsulated within the payload field of the AALS CPCS PDU regardless of the selected multiplexing method LLC SNAP Encapsulation When the same virtual circuit carries several protocols select LLC SNAP encapsulation LLC SNAP encapsulation attaches an LLC SNAP header before the PDU This header includes information that the receiver needs to properly process the incoming PDU For bridged PDUs this header also includes the type of the bridged media 7 19 Configuring ATM Services NULL Encapsulation VC Based Multiplexing In NULL encapsulation the carried network protocol is identified implicitly by the virtual circuit connecting the two ATM stations Because each protocol must travel over a separate virtual circuit there is no need to include explicit multiplexing information in the payload of the PDU This means that the bandwidth requirements and processing overhead remain minim
177. m Local Management Interface ILMI The ATM ILMI Signaling Parameters window opens Figure 9 6 3 ATH ILH Sipr lirg Paramstarz a Apply ILMI iz luer Help TLAL Ypi ILHI Voi ILHI Get Timer ILHI Get Retry Count ILHT Get Hest Timer Figure 9 6 ATM ILMI Signaling Parameters Window 2 Click on the interface that you want to edit The settings for that interface appear in the boxes next to each parameter 3 Assign values to the ILMI parameters Refer to the following section for guidelines 4 Click on Apply The Configuration Manager updates the configuration file 9 26 Editing ATM Signaling and ILMI Parameters ATM ILMI Signaling Parameter Descriptions Use the following descriptions when editing the parameters in the ATM ILMI Signaling Parameters window Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Enable Enable Enable Disable Enables or disables ILMI on this interface Accept the default Enable if you want ILMI to remain enabled on this interface Select Disable if you do not want ILMI enabled on this interface 1 3 6 1 4 1 18 3 4 23 1 9 1 2 ILMI VPI 0 0 to 255 Defines the virtual path identifier VPI for the ILMI VC Accept the default 0 or enter a value from 0 to 255 1 3 6 1 4 1 18 3 4 23 1 9 1 8 Caution The signaling VC 0 5 and the ILMI VC 0 16
178. materials related to such distribution and use acknowledge that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties Bay Networks Software License Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not
179. matic configuration mode use this parameter in their LE CONFIGURE REQUEST frames Clients that use Manual configuration mode use this parameter in their LE JOIN REQUEST frames Selecting Manual configuration mode automatically sets the Maximum Data Frame Size to 1516 Accept the default Unspecified if you want the client to obtain the maximum data frame size when it joins an emulated LAN Select 1516 if you want to designate the maximum data frame size that this client can e Send on the Multicast Send VCC e Receive on the Multicast Forward VCC e Send and receive on Data Direct VCCs 1 3 6 1 4 1 18 3 5 9 5 20 1 1 7 ELAN Name Default ELAN Leave blank or enter up to 128 alphanumeric characters Identifies the name of the emulated LAN that this LE client joins when it joins an emulated LAN Clients that use Automatic configuration mode use this parameter in their LE CONFIGURE REQUEST frames Clients that use Manual configuration mode use this parameter in their LE JOIN REQUEST frames Entering an ELAN name is optional However if you do not enter an ELAN name the LAN emulation client server LECS assigns the LE client to an ELAN for this domain Either leave this parameter blank or enter an ELAN name up to 128 alphanumeric characters that identifies the emulated LAN you want this client to join 1 3 6 1 4 1 18 3 5 9 5 20 1 1 8 8 30 Parameter Default Options Function Instructions MIB Object ID Param
180. mpting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring protocols the Configuration Manager returns you to the ATM DXI PVC List window refer to Figure 4 3 Note f you select the bridge protocol for a hybrid or direct mode PVC the Configuration Manager automatically sets the Multiprotocol Encapsulation parameter to Enable 4 13 Configuring ATM Services ATM DXI PVC List Parameter Descriptions Use the following descriptions as guidelines when you configure the parameters in the ATM DXI PVC List window Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Enable Enable Enable Disable Specifies whether this PVC is enabled for the selected interface Set to Disable if you do not want this PVC enabled 1 3 6 1 4 1 18 3 5 9 5 14 1 14 Mode Group Access Group Access Hybrid Access Direct Access Specifies the role of the PVC Accept the default group access if you want the PVC to be part of a group of PVCs Set to hybrid access if you want the PVC to be part of a group of PVCs for routing and to direct access for bridging Set to direct access if you want the PVC to be used for bridging or routing to different networks For more information about the three modes refer to Access Modes for ATM DXI S
181. n AAL5 Encapsulation Multicast Unicast Table A 4 Initial ATM Signaling Config Window Parameter Default Enable ATM Signaling Enable Max Number of SVC Applications 20 Max Point to Point Connections 1000 Max Point to Multipoint Connections 40 Max Parties in Multipoint Connections 1 Table A 5 ATM Service Records List Window Parameter Default Enable Disable Enable User Part Autogeneration Enable ATM Addr User Part None ATM Addr Net Prefix Optional None MTU 4608 Table A 6 Site Manager Default Settings for ATM ATM Service Record Parameters Window Parameter Default Data Encapsulation Type LANE 802 3 signaling enabled or LLC SNAP signaling disabled Virtual Connection Type SVC signaling enabled or PVC signaling disabled User Part Autogeneration Enable ATM Adar User Part None ATM Addr Net Prefix Optional None Emulated LAN Name Default LAN Table A 7 ATM Virtual Channel Link Window Parameter Default Hybrid Bridged VC No Administrative State Up Xmit Peak Cell Rate cells s 2358 Xmit Sustainable Cell Rate cells s 2358 Xmit Burst Size cells 40 Maximum AAL CPCS Transmit SDU Size 4608 Maximum AAL CPCS Receive SDU Size 4608 Data Encapsulation Type LLC SNAP Table A 8 ATM Virtual Channel Link Parameters Window Parameter Default
182. nabling 6 1 to 6 16 error checking 5 6 features 5 2 to 5 6 ILMI attributes editing 9 26 Control VC parameters editing 9 30 to 9 31 support 5 4 implementation notes 5 7 to 5 17 interfaces deleting 7 33 editing parameters for 8 36 Inverse ARP support 5 4 LAN emulation parameters editing 8 26 to 8 27 LAN emulation support 5 4 Index 1 layers 1 4 AAL 3 4 1 5 AAL 5 1 6 ATM Adaptation Layer AAL 1 4 in protocol reference model 1 4 to 1 6 log E 1 to E 27 multicast packet support purpose of 5 6 multiprotocol encapsulation support 5 3 overview 1 1 to 1 8 parameter defaults A 2 to A 7 parameters See specific parameter names protocols editing 7 22 to 7 24 editing for hybrid access bridging 7 25 to 7 28 editing for hybrid access nonbridging 7 22 to 7 24 PVC parameters editing 8 18 to 8 20 SAAL attributes editing 9 21 to 9 22 SAAL support 5 6 sample network D 1 to D 6 Segmentation and Reassembly SAR sublayer 1 4 service record parameters editing 8 8 service records deleting 7 32 signaling attributes editing 9 2 to 9 3 Signaling Control VC parameters editing 9 15 to 9 16 signaling support 5 5 support 5 2 transmission path definition of 1 7 transmitting data through network 1 6 to 1 8 virtual channel definition of 1 7 virtual path definition of 1 7 ATM ARE description of 1 9 ATM ARP Mode parameter C 9 C 18 ATM DXI access modes direct access 2 9 enabling proto
183. nalling Connection Indication 11 03 95 11 45 16 054 DEBUG SLO 5 ATM SIG Code 24 ayer Manager Outbound Connection Status Request ayer Manager Inbound ATM VC Reserve Respons tmlmst ced rr call ref 8 State RESERVE WAIT Event ATM_VC_RESERVE_RSP_MSG E 13 Configuring ATM Services 110 Line 111 Port 1 AT FS 1 AT 1 AT FS 125 atmlmst ced vmr call ref 8 State VC MOD MSGWAIT I dz 4 11 03 95 11 45 16 058 INFO SLOT 5 ATM Code 8 1405101 vpi vci 0 34 has been activated 11 03 95 11 45 16 058 INFO SLOT 5 ATMINTF Code 15 1 virtual channel VPI 0 VCI 34 call reference 8 activated 11 03 95 11 45 16 058 DEBUG SLOT 5 ATM SIG Code 24 Layer Manager Inbound VC MOD RESPONSE Message 11 03 95 11 45 16 062 Layer Manager Outbound 11 03 95 11 45 16 070 Layer Manager Inbound atmlmst ced tcsi call ref 8 DEBUG SLO Connect Response DEBUG SLO 5 ATM SIG 5 ATM SIG Code Code Event VC MOD RSP 24 24 Signalling Connection Status Indication Event AMUIAMTCNSTIND State NETWORK WAIT ATM Layer Manager Outbound Open Indication 115 11 03 95 11 45 16 070 DEBUG SLOT 5 ATM LE Code 45 LEC Open call indicate Control VCC for LEC 3 VP VC 0 34 116 11 03 95 11 45
184. nd switched virtual circuits Table 6 1 Valid Data Encapsulation Types for PVCs and SVCs Data Encapsulation Type Permanent Virtual Circuit Switched Virtual Circuit LANE 802 3 v LLC SNAP v v NULL v v Note For an explanation of the different data encapsulation types and rules for assigning data encapsulation refer to Chapter 7 6 7 Configuring ATM Services Adding a Service Record for PVCs To add a service record for permanent virtual circuits 1 Click on Service Attributes in the Edit ATM Connector window refer to Figure 6 4 The ATM Service Records List window opens Figure 6 5 Enahblae Disablo User Part Autogeneratidn ATA fiddr Hen Part ATH Adde Het Profis Optional ATL Figure 6 5 ATM Service Records List Window 6 8 Enabling ATM Service 2 Click on Add The ATM Service Record Parameters window opens Figure 6 6 Data Encapsulation Type Virtual Connection Type Leer Pmet furtnogerueratinn ATH Addr User Part ATH Addr Het Prefix iptionsi Emilated L H Hane DEFAULT ELAH Figure 6 6 ATM Service Record Parameters Window Note f you disabled signaling in the Initial ATM Signaling Config window refer to Figure 6 3 the ATM Service Record Parameters window automatically sets the default for the Data Encapsulation Type parameter to LLC SNAP and the Virtual Connection Type parameter to PVC 3 Change the Data Encapsulation Type paramete
185. nectivity until the ATMARP Server Reg Interval parameter for that client expires 900 second default This occurs only when the client is configured to autogenerate the ATM address user part refer to Chapter 8 for additional information about ATM address user part autogeneration C 8 Configuring Classical IP over ATM ATM ARP Configuration Parameter Descriptions Use the following descriptions when you edit the parameters in the ATM ARP Configuration window Parameter ATM ARP Mode Default Client Options Client Server Function Specifies whether ATM ARP is running as a client or server on this interface Instructions You must configure one ATM ARP server for each LIS you define MIB Object ID 1 3 6 1 4 1 18 3 5 3 2 1 4 1 112 Parameter ARP Server ATM Address Network Prefix Default None Range XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Function Defines the ATM address network prefix of the ATM ARP server on your network The XX byte must contain 39 45 or 47 These values define the Authority and Format Identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the AFI byte refer to the ATM Forum UNI specification Version 3 0 The network prefix and the user part form a complete ATM address Instructions Enter the ATM address network prefix of the ATM ARP server on your net
186. nennen nnne nnne nnns 5 7 Service Records and Virtual Circuits 5 7 PVC Access Methods spain aaa a a a aa a aaa aa nentes nn ns senes 5 7 Multiple PMGS tot a Matin cic n ad tete e ete 5 7 One PNG Lua er 5 9 Hybrid ACCESS ciet p e Ph da d ERE c Sei td ead 5 10 Using Hybrid PVCs for Transparent Bridging sessseenn 5 11 SVC Access Methods eese sienne entente nnne enint nain tnnt 5 12 ATM Traffic Parameters sasiiiai inai iee a da eda i nennen nennen nennen 5 12 Converting Mb s to Cells s ssssssseeneeneenne enne 5 13 Variable Bit Rate versus Available Bit Rate rrrrnrrnnrronnrrrnnrrnnnrrvnnnrnnrrrnnrrrnnr 5 14 Peak Cell Bale udi E ooa Rides anse deae ria dana cid agn euge doa rna dae ap 5 14 Sustainable Cell Rate and Minimum Cell Rate esses 5 15 Maximum Burst Size sssssssssssssssseeeeeeen nennen entente nnns 5 17 vii Chapter 6 Enabling ATM Service Enabling Overview mois meirin eee ode deel i tpa sa ee deed ea nee e a 6 2 Adding an ATM CirCuit sess eene nenne enn nnne aaee NA aiaa 6 2 Initial ATM Signaling Config Parameter Descriptions sseeeeene 6 5 Adding a Service Record ne eet dente een tad 6 7 Adding a Service Record for PVCS sssssssssssssseeeee eene 6 8 Adding a Service Record for SVGS rrrrnnnnnrnnnnrrnnnnnvvnnrrrnnnnnnnnrerrrennnnnnnerrresnnnnnnennnen 6 10
187. network resources In other words the SCR allows sufficient bandwidth for operation but does not allow a bandwidth as high as the PCR For ATM ARE ILI pairs the SCR value maps directly to a minimum cell rate MCR value In other words when you configure the SCR on an ATM ARE ILI pair you actually configure the MCR Instead of defining the upper bound of an average rate like the SCR the MCR defines the minimum amount of guaranteed bandwidth allowed for PVCs and Control VCs on the ATM line The MCR that is SCR not only controls the rate over time it guarantees this rate In other words the SCR provides sufficient bandwidth for SVC operation but at the same time guarantees the bandwidth for PVCs and Control VCs on the ATM line 5 15 Configuring ATM Services When setting the SCR for ATM FRE2 ILI pairs keep the following in mind The SCR is essentially a future average By setting the SCR you are specifying the cell rate over time to which you want the VC to conform To be useful the SCR must not exceed the PCR e If you know the user average rate set the SCR about 10 higher than this value e ATM FRE2 ILI pairs require a minimum SCR value of 300 cells s PVCs may fail to operate with SCR values less than 300 cells s When setting the SCR for ATM ARE ILI pairs keep the following in mind The SCR maps directly to the MCR e The MCR provides guaranteed bandwidth for PVCs and Control VCs while allowing suffi
188. nns nter enn sine 4 8 ATM DXI Virtual Circuit Parameter Descriptions sssssesese 4 11 Editing PVC Configuration Parameters rrrnannnvnnenrrvnnnnrnnnnnrnnnnnrnnnnnnnnrnnrnennnnnnnennne 4 12 ATM DXI PVC List Parameter Descriptions sssssssseeeee 4 14 vi Enabling and Editing Protocols for Group Access PVCS sssssses 4 16 Enabling and Editing Protocols for Direct or Hybrid Access PVCS ssss 4 20 Setting PVCs for Multipath Mode sssssssssseseeeneeneee nnn nennen nennen 4 22 Deleting POS tii eto Mp et ATi 4 24 Deleting ATM DXI from the Router sseesseeneeeneennn enne 4 25 Chapter 5 ATM Features and Implementation Notes ALM SUPPORT eat 5 2 Multiprotocol Encapsulation ssssseeeee enne nennen 5 3 Interim Local Management Interface ILMI eseeemmmHI 5 4 ARP and Inverse ARP Support ssssssssssssseseeeeeneee nennen 5 4 EAN Em latlOr re eren da o vene doute ee de inde ee Mee 5 4 ATMiSIGNAling scat 53 etti dene ect opere ten a et reas toes needs a DA Cedo ch dae rta 5 5 Signaling ATM Adaptation Layer SAAL mrarvrnnnnvnnnrnvvnnnnrrnnrnvennrnrrrnennennrrrrennnnnnnennnr 5 6 ALM Error Gheckings t suastutid G en es east 5 6 Simulated Multicast Packet Support sssssssssssssseeseeeren nennen 5 6 ATM Implementation Notes ss tesarireiai ernaiak eain eee
189. nter the VPI and VCI numbers that you want to use for the PVC These parameters vary depending on how you set the DXI Mode parameter in the ATM DXI Interface List window Figure 3 3 Refer to the next section for guidelines Click on OK Site Manager returns you to the ATM DXI PVC List window refer to Figure 3 4 The default mode of the PVC you just added is GROUP ACCESS If you want to change any of the parameters on the ATM DXI PVC List window refer to Chapter 4 for instructions Note 7o add another PVC with the default configuration repeat Steps 3 4 and 5 When you finish adding PVCs go to Step 6 Click on Done Site Manager returns you to the ATM DXI Interface List window Click on Done Site Manager returns you to the Configuration Manager window 3 6 Enabling ATM DXI Service ATM DXI Virtual Circuit Parameter Descriptions Use the following descriptions as guidelines when you configure the parameters in the ATM DXI Virtual Circuit window Note ATM DXI does not allow duplicate VPI VCI pairs on the same ATM physical interface that is on the same link module However duplicate VPI VCI pairs can exist on different physical interfaces that is on different link modules Parameter VPI Number Default None Range 0to255 Function Identifies the virtual path of the PVC Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID How you set this par
190. nverse ARP Support sssssssssssssseeseseneneee enne 2 5 ATM DXI Implementation Notes seeeneenm mmm nennen 2 5 Configuring Synchronous Lines for ATM DXI ssseeemeeennne 2 5 ATM DXI Modes of Operation ssssssssssssseseeeeenn nennen nnns 2 6 Access Modes for ATM DXI Services ssssssssssssseeeeeneeeenenn enn 2 7 Group Access Mode nat ine ete eigen ie os 2 8 Direct Access Mode esee eese etre nnne 2 9 Hybrid Access Mode s tissieri iraia eia h A E a ii 2 9 Using Hybrid Access for Transparent Bridging eese 2 11 Using Hybrid Access for Routing essen enn 2 12 Multipath Support ied rape teet attt ve lee Ede Ce Ua om e deed 2 12 Chapter 3 Enabling ATM DXI Service Enabling Overview vunne die ete c pa bre das dann de ne t Lose Re e de exa aea 3 2 Enabling ATM DXI on an Interface scenerier aeeie e erepta eeek aeda 3 2 Enabling Protocols on an ATM DXI Circuit sse 3 3 Adding PVGS 2 2 sea Te t rec cd t d ae Poeta ets 3 4 ATM DXI Virtual Circuit Parameter Descriptions see 3 7 Chapter 4 Editing ATM DXI Parameters Editing ATM DXI Interface Parameters sss enne 4 2 ATM DXI Interface Parameter Descriptions see mm 4 4 Gonftig ring P VOS A tiras t e Ln te rei dug e Hat e ee Dag e t 4 7 Adding or Copying PVCS sessi n
191. nvnnrnvrnnnnnvnnnnrrernnnrnnnenrennsnrrnnennenersrranensrnnrerrreensrnnsennn 1 2 Figure 1 3 B ISDN ATM Protocol Reference Model sse 1 4 Figure 1 4 ATM Adaptation Layer 3 4 ersnnnrrnnnnnnnrrrnnrnnnnrrnnnnrnnrrrnnrrensrrnnerernnrrensrrnnnnn 1 5 Figure 1 5 ATM Adaptation Layer 5 sssesseeeene enn 1 6 Figure 1 6 ATM Transmission Components sse 1 8 Figure 251 ATM DX ntu ei ais eve Reis 2 1 Figure 2 2 AAL Layer Division between Bridge Router and DSU CSU 2 3 Figure 2 3 DXI Modes of Operation sssssssssssseseeneeeenneen nnne 2 7 Figure 2 4 Group Access Mode sse 2 8 Figure 2 5 Direct Access Mode rrrrnnrrnnnnnnnnvrnnnnrnnrrrnnrrnnnrrnnnsensrranessensrrnnerennnrrensernennn 2 9 Figure 2 6 Hybrid Access Mode essere nnne 2 10 Figure 2 7 Example of a Bridged Network sse 2 11 Figure 2 8 Multipath Network sssesseseeenennnneene enne 2 12 Figure 3 1 WAN Protocols Window eeeeeeeeeeneennn enne 3 2 Figure 3 2 Select Protocols Window sseem emen 3 3 Figure 3 8 ATM DXI Interface List Window eesem 3 4 Figure 3 4 ATM DXI PVC List Window eeeeeeee mem 3 5 Figure 3 5 ATM DXI Virtual Circuit Window esee 3 5 Figure 4 1 Configuration Manager Window ruannrnnnvrvnnnnnvnnnenvennnnrnnn
192. o initiate connections 1 3 6 1 4 1 18 3 4 23 1 8 1 8 9 22 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters Poll Timer yi to 120 Defines the Service Specific Connection Oriented Protocol SSCOP Poll timer value in tenths of a second This value sets the allowable time between Poll Protocol Data Unit PDU transmissions The Poll timer ensures that the receiver continues to return a solicited status STAT PDU to the sender on a regular basis The timely receipt of STAT PDUS restarts the Poll timer and allows for more efficient transmission error recovery Accept the default 7 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 8 1 9 Keep Alive Timer 20 1 to 120 Defines the SSCOP Keep Alive timer value in tenths of a second This value sets the allowable time between POLL PDU transmissions if there are no pending Sequence Data SD PDUs The Keep Alive timer is generally greater than the Poll timer and greater than the length of one round trip delay Accept the default 20 or enter a value from 1 to 120 1 3 6 1 4 1 18 3 4 23 1 8 1 10 9 23 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID No Response Timer 70 1 to
193. ocedure Note f you have just completed the procedure to add or copy a PVC skip to Step 4 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI gt Interfaces The ATM Interface List window opens refer to Figure 4 2 2 Select the ATM DXI interface that contains the desired PVC 3 Click on PVCs The ATM DXI PVC List window opens refer to Figure 4 3 4 Select the PVC you want to configure 5 Assign values to the configuration parameters Refer to ATM DXI PVC List Parameter Descriptions for guidelines 6 Click on Apply Site Manager saves your changes If you configure the PVC to run in direct or hybrid access mode the Configuration Manager adds a Protocols menu option in the top left corner of the ATM DXI PVC List window The Configuration Manager then displays a Select Protocols window Figure 4 5 Note f you configure the PVC to operate in hybrid mode only Bridge Spanning Tree and Native Mode LAN appear as options in the Select Protocols window We strongly recommend that you enable spanning tree on all hybrid access PVCs to detect loops in the network 4 12 Editing ATM DXI Parameters alet Pratacalz Sal ct Pratacalz E i Figure 4 5 Select Protocols Window Hybrid and Direct Access 7 Select the protocols you want this PVC to carry and click on OK For each protocol you select the Configuration Manager displays a protocol specific window pro
194. ocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns you to the Circuit Definition window For each protocol you deselect the Configuration Manager removes that protocol from the circuit To edit a protocol on a group access circuit use the following procedure 1 From the Configuration Manager window refer to Figure 4 1 click on the ATM circuit to which you want to add bridging routing protocols The Edit Connector window opens refer to Figure 4 6 Click on Edit Circuit The Circuit Definition window opens refer to Figure 4 7 4 18 Editing ATM DXI Parameters 3 Click on Group Protocols The menu displays a list of the existing protocols on that PVC Figure 4 9 gt EL c AL Protocols Figure 4 9 Group Protocols Menu Top Level 4 Select the protocol whose parameters you want to edit The Configuration Manager displays the requested protocol specific window If you need assistance in editing a specific protocol consult the appropriate protocol specific guide Note Site Manager provides a menu structure for some protocols to assist you in locating specific configuration parameters For example when editing the Bridge protocol that also uses spanning tree you can bypass the upper level bridging parameters
195. one of these messages within the allotted time it transmits the SETUP message a second time If the circuit still does not receive a response it clears the connection Accept the default 4 or enter a value from 1 to 24 1 3 6 1 4 1 18 3 4 23 1 7 1 25 9 7 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID T308 30 1 to 180 Defines the Release Sent timer value in seconds This timer begins when the circuit sends a RELEASE message to initiate clearing of an SVC Sending this RELEASE message places the network in the Release Request state The Release Sent timer stops when the circuit receives either a RELEASE message that is both the circuit and the network sent RELEASE messages at the same time or a RELEASE COMPLETE message from the network If the timer expires before the circuit receives one of these messages the circuit transmits the RELEASE message a second time If the circuit still does not receive a response the circuit releases the call reference and begins a restart procedure Accept the default 30 or enter a value from 1 to 180 1 3 6 1 4 1 18 3 4 23 1 7 1 26 T309 10 1 to 540 Defines the SAAL Data Link Connect timer value in seconds This timer begins when a Signaling AAL malfunction occurs The SAAL Data Link Connect timer stops when the circuit re establishes SAAL
196. onfiguration Manager tool 4 1 Configuring ATM Services Local EE 4 LOCAL FILE F p Lp mnt4unrzb bechpubstest ey t Backtw Link Hode ELH ALA Version 9 00 Color Key Used Deacription Lonnec boss 5300 Oued Sync om ET Empty ET ut Empty Slot Eapty Slot TTE eT Figure 4 1 Configuration Manager Window Editing ATM DXI Interface Parameters The ATM DXI Interface parameters define the ATM DXI interface to the physical line You edit the parameters from the ATM DXI Interface List window Figure 4 2 To access this window use the following procedure 1 Select Protocols ATM DXI Interfaces from the Configuration Manager window Site Manager displays the ATM DXI Interface List window Figure 4 2 4 2 Editing ATM DXI Parameters ATH DEL Slot 4 COM ATH DXI Slot 5 DOMI Enie Interface Description LET Hode Has rusher of Vs FAultiprustoool Encapsulation 5 FOU Erweagreni lt on Figure 4 2 ATM DXI Interface List Window 2 From the ATM DXI Interface List window select the interface you want to edit 3 Configure the parameters on the screen refer to the descriptions following this procedure for guidelines 4 When you finish editing the parameters click on Apply 5 To add PVCs to the interface click on PVCs Refer to Configuring PVCs later in this chapter Note 7o edit any additional interfaces repeat Steps 2 through 5 6 When you finish editing all
197. ote ATM ARE ILI pairs ignore the maximum burst size 9 19 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Maximum AAL CPCS Transmit SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the transmit direction Enter an octet value that represents the maximum packet size you intend this VC to transmit We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 17 Maximum AAL CPCS Receive SDU Size 4608 1 to 65535 Specifies the maximum AAL CPCS SDU size in bytes that this VC supports in the receive direction Enter an octet value that represents the maximum packet size you intend this VC to receive We suggest that you accept the default value of 4608 bytes Most packets fall well within this limit 1 3 6 1 4 1 18 3 4 23 1 5 1 18 9 20 Editing ATM Signaling and ILMI Parameters Editing Signaling AAL Attributes The Signaling AAL SAAL attributes define the connection and timer parameters the router uses to maintain a switched connection SAAL provides reliable transport of signaling messages within the ATM protocol reference model To edit Signaling AAL parameters 1 In the Edit ATM Connector window refer to Figure 9 1 click on Signaling AAL SAAL The AT
198. parameter set in the ATM Service Records List window Refer to Assigning Data Encapsulation in Chapter 7 Multiple PVCs per service record works best in either fully meshed environments or in nonmeshed environments where systems not directly connected to each other have no need to communicate You can configure multiple PVCs per service record as long as you do not need to separate protocols by PVC that is all PVCs accept the same protocols There are however ways to configure upper layer protocols such as IP or IPX to allow systems in nonmeshed networks to fully communicate See the appropriate documentation for these upper layer protocols for more information 5 8 ATM Features and Implementation Notes One PVC One PVC per service record works the same way as multiple PVCs per service record except that you assign only one PVC per service record When you define only one PVC per service record upper layer protocols treat the ATM network as a series of direct point to point connections viewing each PVC as an individual network interface You can therefore configure each PVC with different protocols and parameter settings This allows you to connect to different network sites using for example different types of data encapsulation Figure 5 4 ATM Physical Interface auc Service Record Upper layer ATM Protocol Network Service Record L Zi Figure
199. pe RESPONSE Status SUCCESS Transaction_Id 00000007 Requestor LECID 0048 Flags 0000 Lan Type Unspec Max Frame Size Unspec Lan Names e Targ ATM Address 39000000000000000000000000 0000a20e9fca 00 Dest LAN Src ATM Address 39000000000000000000000000 0000a20d72e2 00 Sr LAN KKK KKK KKK KKK KKK KKK KR KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KK KK KK This LE client responds to the flush request since its ATM address matches the Target ATM Address KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK KK KK KK 177 11 03 95 11 45 18 054 DEBUG SLOT 5 ATM_LE Code 45 EC LE ARP 15592614 second reverification timeout expired for LEC 3 178 11 03 95 11 45 18 054 TRACE SLOT 5 ATM_LE Code 41 EC LE ARP reverifying batch of bindings for LEC 3 179 11 03 95 11 45 18 054 DEBUG SLOT 5 ATM_LE Code 4 EC destination ff ff ff ff ff ff EC Control Packet Opcode ARP Req Type REQUEST Transaction Id 00000000 Requestor LECID 0050 Flags 0000 Lan Type 802 3 Max Frame Size Unspec E 23 Configuring ATM Services Lan Name Targ ATM Address Dest LAN ff ff ff Src ATM Address Src LAN EC destina 180 EC Control Packet Opcode ARP 11 03 95 11 45 18 058 DI 000000000000000000
200. port sss esent XX eto najeliie nier xxi nie gl lp RENE xxi World Wide Webi ete te dte Peek teles xxii How to Get Help ssssssssssssssssssssesenene nennen tentent snntrte nensi snnt retenir nen xxii eMe MH xxii Ordering Bay Networks Publications sese xxiii ACIORVITIS aiii 2 ere xxiii Chapter 1 ATM Overview ALM GOL MEER SEA MI 1 1 Gell Header kannada A E EEN EE A AEEA ENER 1 2 Cell Information Field aere aeiaai Er aiaa EEN aaa aana KE ia AEE nnns 1 3 ATMA VOrS tie RU ORB EUREN e E estan te 1 4 ME 3 4 om MATE 1 5 Drm p DEM 1 6 Data JransmISSION i eene pet a erae addet Ion eres e Eee reta deer 1 7 Permanent and Switched Virtual Connections sssssseeeenne 1 8 AT M DAI versus ATMNI an te eee etd bait Das na 1 8 For More Information au 2 eri en eint d d dt Dee ee Ene v m Bo ede PLE aes 1 9 Chapter 2 ATM DXI Features and Implementation Notes ATM DXLSUpport vaner EE 2 2 Multiprotocol Encapsulation sssseeeeennm nennen 2 2 AAL Sublayer Support esses esee etnne netten nnne nennen tenentes 2 3 ATM DXI Error Gheckirig ei nete tet fee m ads 2 4 ATM DXI LMI Support eseessssseesesesseseee nnne enne ntn rents snnt sentent nn tenen nnns 2 4 Simulated Multicast Packet Support urrrnenvrrnnnrrrnnnvrnervrrrnnnnrnnrrrrrennnrnenerrreennrnnsennn 2 4 ARP and I
201. ppendix C Configuring Classical IP over ATM RFC 1577 Classical IP and ARP over ATM is a specification for an administrative entity within an ATM network called a logical IP subnet LIS Bay Networks supports RFC 1577 Each ATM LIS consists of multiple network devices hosts and routers connected to the ATM network and configured with interfaces to the same IP subnetwork Each LIS operates and communicates independently of other LISs in the ATM network A host connected to an ATM network communicates directly with other hosts in its own LIS To communicate with hosts in other LISs the host must use an IP router A router can be connected to multiple LISs An ATM LIS must meet the following requirements as described in RFC 1577 All members of the LIS hosts and routers must have the same IP network subnet number and address mask e All members must be directly connected to the ATM network using switched virtual circuits SVCs All members must access hosts outside the LIS through a router e All members must be able to communicate by means of ATM with every other member of the LIS that is the virtual connection topology must be fully meshed An ATM LIS can replace an IP LAN In Figure C 1 for example three IP host systems and an IP router have interfaces to an Ethernet LAN To communicate with each other on the LAN the devices use the media access control MAC addresses of the LAN that they obtain via ARP o
202. protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols the Configuration Manager returns you to the ATM Service Records List window 8 7 Configuring ATM Services Editing ATM Service Record Parameters To edit service record parameters Note You must add or copy a PVC to a service record before you can edit it Refer to Adding or Copying PVCs later in this chapter for details In the Edit ATM Connector window refer to Figure 8 1 click on Service Attributes The ATM Service Records List window opens refer to Figure 8 2 Click on the service record that you want to edit Assign new values to the service record parameters you want to edit Refer to the next section for guidelines Click on Apply ATM Service Record Parameter Descriptions Use the following descriptions when editing the parameters in the ATM Service Record Parameters and the ATM Service Records List windows Parameter Default Options Function Instructions MIB Object ID Enable Disable Enable Enable Disable Enables or disables this service record Accept the default Enable if you want traffic to flow on this service record and its VCs Set to Disable if you do not want traffic to flow on this service record or any of its VCs 1 3 6 1 4 1 18 3 4 23 1 2 1 2 8 8
203. r by static configuration For communications beyond the LAN the devices use IP addresses C 1 Configuring ATM Services Router 140 250 200 1 onte 00 00 A2 00 00 01 140 250 200 0 Host A a we Host C 140 250 200 2 0 00 A2 00 10 20 140 250 200 3 00 00 A2 00 10 3 140 250 200 4 00 0042 00 10 40 Figure C 1 IP Local Area Network In Figure C 2 an ATM network replaces the LAN interfaces creating a LIS For communications within the LIS the devices use their ATM addresses obtained via ATMARP for communications beyond the LIS the devices use IP addresses For example to send a message to Host B Host A uses Host B s ATM address To send a message to a host beyond the LIS Host A uses an IP address to identify the remote host and sends the message to the local router using the router s ATM address The router forwards the message Configuring Classical IP over ATM ATMARP client ELL JL I Router A a nN ATM Network E Router B ATMARP server Host B Host C Key SVC supporting ATM LIS Figure C 2 IP Logical IP Subnet ATM Address Resolution An address resolution protocol ARP defines a mechanism that ena
204. r from LANE 802 3 the default to LLC SNAP or NULL Note For an explanation of the different data encapsulation types and rules for assigning data encapsulation refer to Chapter 7 6 9 Configuring ATM Services 4 Change the Virtual Connection Type parameter from SVC to PVC Note You must use the Return key or Tab key to advance to the Virtual Connection Type parameter Using either the Return or Tab key acknowledges the data encapsulation type selection If you do not acknowledge the data encapsulation type selection the Configuration Manager does not provide PVC as an option for the Virtual Connection Type parameter 5 Click on OK The Select Protocols window opens Figure 6 7 6 Go to Enabling Protocols on an ATM Service Record later in this chapter Adding a Service Record for SVCs To add a service record for switched virtual circuits 1 Click on Service Attributes in the Edit ATM Connector window refer to Figure 6 4 The ATM Service Records List window opens refer to Figure 6 5 2 Click on Add The ATM Service Record Parameters window opens refer to Figure 6 6 If you want to change any of the parameters in the ATM Service Record Parameters window refer to Chapter 8 for instructions Note f you do not enter an ATM address user part the Configuration Manager uses the MAC address of the interface or the MAC address override from the ATM Interface Attributes window as the first six bytes of
205. r in your area United States Valbonne France Sydney Australia Tokyo Japan Conventions arrow character gt bold text brackets italic text quotation marks screen text 1 800 2LAN WAN 33 92 966 968 61 2 903 5800 81 3 328 005 Separates menu and option names in instructions Example Protocols gt AppleTalk identifies the AppleTalk option in the Protocols menu Indicates text that you need to enter and command names in text Example Use the dinfo command Indicate optional elements You can choose none one or all of the options Indicates variable values in command syntax descriptions new terms file and directory names and book titles Indicate the title of a chapter or section within a book Indicates data that appears on the screen Example set Bay Networks Trap Monitor Filters xxii vertical line 1 About This Guide Indicates that you enter only one of the parts of the command The vertical line separates choices Do not type the vertical line when entering the command Example If the command syntax is show at routes nets you enter either show at routes or show at nets but not both Ordering Bay Networks Publications Acronyms To purchase additional copies of this document or other Bay Networks publications order by part number from Bay Networks Press at the following numbers You may also request a free catalog of Bay Networks Press product publ
206. rameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing ATM Service and Interface Parameters Max Retry Count 1 1to2 Defines the maximum number of times a LAN emulation client can retry an LE ARP REQUEST following the original request for a given frame MAC address Accept the default 1 or enter 2 as the new value 1 3 6 1 4 1 18 3 5 9 5 20 1 1 14 Aging Time 300 10 to 300 Defines the maximum amount of time in seconds that a LAN emulation client can maintain an entry in its LAN emulation ARP cache without verifying the relationship of that entry Accept the default 300 or enter a value from 10 to 300 1 3 6 1 4 1 18 3 5 9 5 20 1 1 15 Forward Delay Time 15 4 to 30 While there are no changes occurring in network topology this parameter defines the maximum amount of time in seconds that a LAN emulation client can maintain an entry in its LAN emulation ARP cache without verifying the relationship of that entry Accept the default 15 or enter a value from 4 to 30 1 3 6 1 4 1 18 3 5 9 5 20 1 1 16 8 33 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function
207. rameter 9 29 ILMI Get Retry Count parameter 9 28 ILMI Get Timer parameter 9 28 ILMI Set Retry Count parameter 9 30 ILMI Set Timer parameter 9 29 ILMI VCI parameter 9 28 ILMI VPI parameter 9 27 InfoFACTS service xxi Initial Registration State LAN emulation B 6 Interface attributes parameters editing 8 36 selecting 7 10 window sequence 7 10 Index 4 Interface Description parameter 4 4 Interim Local Management Interface See ILMI Inverse ARP support ATM 5 4 ATM DXI 2 5 IP adjacent host Adjacent Host X 121 Address parameter C 16 Enable parameter C 14 Host Encapsulation parameter C 16 IP Address parameter C 14 Next Hop Interface Addr parameter C 15 IP interface editing C 17 IP parameters adjacent host MAC Address C 15 ISDN protocol model 1 4 to 1 5 J Join State LAN emulation B 5 K Keep Alive Timer parameter 9 23 L LAN emulation Broadcast and Unknown Server BUS description of B 3 BUS Connect State B 6 client description of B 2 components B 2 to B 3 Configuration Server LECS description of B 2 Configure State B 5 configuring D 6 to D 10 enabling protocols for 6 15 Initial Registration State B 6 Initial State B 5 Join State B 5 LECS Connect State B 5 Operational State B 6 overview B 1 to B 6 parameters Aging Time 8 33 Configuration Mode 8 29 Control Timeout 8 31 editing 8 26 to 8 27 ELAN Name 8 30 Emulated LAN Name 8 11 Enable
208. rative State Enable AMM Signaling lse Heras MAC Address HAL Address hverride Figure 7 8 ATM Interface Attributes Window Figure 7 9 shows the window sequence for the interface attributes category PENES ter eel ATM Interface Attributes window Figure 7 9 Interface Attributes Window Sequence 7 10 ATM Editing Basics Selecting Line Attributes Line attributes define the ATM line Selecting this category opens either the ATM or ATM ARE Line Driver Attributes window Figure 7 10 Lace Enable Interface HTU Bata Path Enable Data Path Hotify Timeout SVC Inactivity Timeout Enile S40 Inactivity Timeout fern Framing Hode Clocking Signal Source WHJ Line Build Out 153 cree ing Figure 7 10 ATM ARE Line Driver Attributes Window For more information about the Line Driver Attributes windows and how to edit ATM line parameters refer to Configuring Line Services Configuring ATM Services Selecting ATM Signaling ATM Signaling attributes define the connection and timer limits the router uses to set up maintain and clear a switched connection Selecting this category opens the ATM Signaling Parameters window Figure 7 11 I kgl 00000000 inne Apply Koo Humber of SVO Applications Hax Point to Point Connections Hax Port to BultiPornt Donert ion Hex Parties In MultiPotnet Connections Hin Hemma Threshold Figure 7 11 ATM Signaling Parameters Window The ATM Si
209. re about how to edit the different ATM parameters go to the appropriate section or guide that describes how to edit a specific attribute category Table 7 2 lists each attribute category and its location 7 5 Configuring ATM Services Table 7 2 Finding Editing Instructions Protocols Menu To learn how to edit Go to this section In Service Records Editing Service Attributes Chapter 8 ATM Signaling Editing ATM Signaling Attributes Chapter 9 Signaling AAL Editing Signaling AAL Attributes Chapter 9 ILMI Signaling Editing ILMI Attributes Chapter 9 Interfaces Editing ATM Interface Attributes Chapter 8 Selecting Service Attributes Service attributes define the ATM service records for an interface Selecting this category opens the ATM Service Records List window Figures 7 4 and 7 6 LEC BOZ 3 Svc RFC 1480 LLC SVC 7 RFC 14890 M0L SVC FFC 14007LLC PYE Enabler Dist User Part Focbypenerah ton ATH Addr User Part ATA Addr Het Prefix Optimal BTL Figure 7 4 ATM Service Records List Window PVC 7 6 ATM Editing Basics The ATM Service Records List window also provides access to Specific PVC parameters PVC service records only Alist of all SVCs on that service record SVC service records only e Access to LAN emulation client LEC attributes SVC service records using LANE 802 3 data encapsulation Figure 7 5 shows the sequence of windows that can appear w
210. record for permanent virtual circuits 1 Click on Service Attributes in the Edit ATM Connector window refer to Figure 8 1 The ATM Service Records List window opens Figure 8 2 ATMSARE Slot 3 ATHARE Slot 3 ATM ARE Slot 3 ATHARE Slot 3 Appli Enabler Dest ee FHABLE User Part utmgereratidgn FHARLT ATH Addr User Part he MMM HMM ATA Addr Wet Prefix Opticnal HTLI Figure 8 2 ATM Service Records List Window 8 4 Editing ATM Service and Interface Parameters 2 Click on Add The ATM Service Record Parameters window opens Figure 8 3 Cance Data Encapsulation Type Virtual Connection Type Leer Pert fytogenerat ion ATH Addr User Part ATM Addr Het Prefix Optional Ermilated LAH Hore DEFAULT ELAH Figure 8 3 ATM Service Record Parameters Window 3 Change the Data Encapsulation Type parameter from LANE 802 3 the default to NULL or LLC SNAP 4 Change the Virtual Connection Type parameter from SVC to PVC If you want to change any other parameters in the ATM Service Record Parameters window refer to ATM Service Record Parameter Descriptions later in this chapter for instructions 5 Click on OK The Select Protocols window opens Figure 8 4 8 5 Configuring ATM Services Salect Pratacalz E i Figure 8 4 Select Protocols Window PVCs Click on the protocols you want to enable Click on OK For each protocol you select the Configuration Manager displ
211. rim Local Management I Figure 6 4 Edit ATM Connector Window 5 Go to Adding a Service Record later in this chapter 6 4 Enabling ATM Service Initial ATM Signaling Config Parameter Descriptions Use the following descriptions as guidelines when you configure the parameters in the Initial ATM Signaling Config window Parameter Default Options Function Instructions MIB Object ID Enable ATM Signaling Enable Enable Disable Enables or disables the ATM signaling for this ATM circuit Accept the default Enable if you want to enable ATM signaling on this circuit Set this parameter to Disable if you do not want to enable ATM signaling on this circuit 1 3 6 1 4 1 18 3 4 23 1 7 1 2 Note When you disable signaling on the interface the ATM Service Record Parameters window automatically sets the Data Encapsulation Type parameter to LLC SNAP and the Virtual Connection Type parameter to PVC Parameter Default Range Function Instructions MIB Object ID Max Number of SVC Applications 20 1 to 32767 Identifies the maximum number of service access points SAPs allowed for this circuit The number of SAPs corresponds to the number of LAN emulation or IP RFC 1577 clients allowed for the circuit Accept the default 20 or enter a value from 1 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 6 6 5 Configuring ATM Services Parameter Default Range Function Instructions MIB O
212. rk If the timer expires before the circuit receives a RESTART ACKNOWLEDGE message the circuit can transmit as many RESTART messages as specified with the Num Restarts Permitted parameter refer to the parameter description later in this section If the circuit still does not receive a response the circuit enters the Null state until the appropriate maintenance action is taken Accept the default 120 or enter a value from 1 to 720 1 3 6 1 4 1 18 3 4 23 1 7 1 31 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID T322 4 1 to 24 Defines the Status Enquiry Sent timer value in seconds This timer begins when the circuit sends a STATUS ENQUIRY message to the network This message checks the validity of a call by requesting the call state that is the state of an active call the state of a call in progress or the Null state if the call reference does not relate to an active call or a call in progress The Status Enquiry Sent timer stops when the circuit receives a STATUS message from the network If the timer expires before the circuit receives a STATUS message the circuit can transmit as many STATUS ENQUIRY messages as specified with the Num Stat Enquiries Permitted parameter refer to the parameter description later in this section If the circuit still does not receive a response the circuit
213. rnrenersrrennnnnnnennne 4 2 Figure 4 2 ATM DXI Interface List Window esseemn 4 3 Figure 4 3 ATM DXI PVC List Window seen 4 9 Figure 4 4 ATM DXI Virtual Circuit Window eem 4 9 Figure 4 5 Select Protocols Window Hybrid and Direct Access 4 13 Figure 4 6 Edit Connector Window eene 4 16 Figure 4 7 Circuit Definition Window sse 4 17 Figure 4 8 Select Protocols Window Group Access ssssssees 4 18 Figure 4 9 Group Protocols Menu Top Level sssem 4 19 Figure 4 10 Group Protocols Menu Various Levels sseees 4 19 xiii Xiv Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4 Figure 7 5 Figure 7 6 Figure 7 7 Figure 7 8 Figure 7 9 Figure 7 10 Figure 7 11 Figure 7 12 Figure 7 13 Figure 7 14 Figure 7 15 Select Protocols Window Hybrid and Direct Access 4 20 Protocols Menu Top Level esee een 4 21 Protocols Menu Multiple Levels 4 22 Multipath Button 2 5 Lh RR oe Ra 4 23 Multipath Selection Window
214. rom 1 to 24 1 3 6 1 4 1 18 3 4 23 1 7 1 34 T399 14 1 to 84 Defines the Add Party Sent timer value in seconds This timer applies to multipoint connections only and begins when the circuit sends an ADD PARTY message to a party the receiver of the message on the network The Add Party Sent timer stops when the circuit receives an ADD PARTY ACKNOWLEDGE message indicating the connection to the party ADD PARTY REJECT message indicating the inability to add the party or a RELEASE message indicating the inability to add the party and the absence of any remaining parties If the timer expires before the circuit receives an ADD PARTY ACKNOWLEDGE ADD PARTY REJECT or RELEASE message the circuit clears the party Accept the default 14 or enter a value from 1 to 84 1 3 6 1 4 1 18 3 4 23 1 7 1 35 9 13 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Num Restarts ReXmitted 3 to 100 Defines the number of RESTART messages retransmitted before the link is considered down Accept the default 3 or enter a value from 1 to 100 1 3 6 1 4 1 18 3 4 23 1 7 1 36 Num Stat Enquiries ReXmitted 3 1 to 100 Defines the number of STATUS ENQUIRY messages retransmitted before the link is considered down Accept
215. rotocols on an ATM DXI Circuit To enable protocols on the ATM DXI circuit 1 Select the protocols you want to enable on this circuit from the Select Protocols window refer to Figure 3 2 Click on OK For each protocol you select the Configuration Manager displays a protocol specific window prompting you for required information If you need assistance in responding to any queries consult the appropriate protocol specific guide When you finish configuring the protocols Site Manager displays the Configuration Manager window 3 3 Configuring ATM Services Adding PVCs To add a PVC complete the following steps 1 From the Configuration Manager window select Protocols gt ATM DXI Interfaces The ATM DXI Interface List window opens Figure 3 3 psa ME mbwrfaca Lit Done Apply Enie Interface Description hl Hode Has muster of Win HFultipratoacol Eucspsulst ion 5 FOU Erceapsulsticon Figure 3 3 ATM DXI Interface List Window 2 Select the ATM DXI interface to which you want to add PVCs and click on the PVCs button The ATM DXI PVC List window opens Figure 3 4 3 4 Enabling ATM DXI Service Appa Li Holm Hultiprsrbocol Encapsulation CS POU Encapsailation Multicest Figure 3 4 ATM DXI PVC List Window 3 Click on Add The ATM DXI Virtual Circuit window opens Figure 3 5 Figure 3 5 ATM DXI Virtual Circuit Window 3 5 Configuring ATM Services 4 E
216. rrennnvnnnonrrnnnnvrnnrnrvnnnnrrnnnnrenesrrrensnneneenr 7 19 Encapsulation Rules for PVCS mrnnrrnannnvnnrnrrennnnrnnnerrennnnrnnnrnrnnnnnrrnnennenrsnrresennnnnennne 7 20 Using ATM Protocol Menus sssssseeeeneeenennenmnenen E nnne nnn nensi nennen 7 21 Using the Service Record Protocols Menu seen 7 22 Adding Deleting and Editing Bridging Protocols for Hybrid PVCs 7 25 viii Deleting Individual PM OS reete Ete eot e tt anten 7 29 Deleting Individual SVGS sese eene 7 31 Deleting an ATM Service Record ccccsceceeeeceeeeeeeeeeeeeeeaaeeeeneeeesaaeeeeeaeeecsaeeeeeaeeseaees 7 32 Deleting ATM from an Interface mnrnrvnnnnnvnnnnvrnnnnvnnnnnvnnnnavennnnnvnnnavennsanvnnnsvennssvennnnenn 7 33 Deleting ATM from the Router oo eee eee eee eee reer ae eeecee sete aeseteeee rennen 7 34 Chapter 8 Editing ATM Service and Interface Parameters Editing Service Attributes ssssssssssssssseeessee senten enne nnne enn nnn nnn 8 2 Adding Service Records ssssssssssssessssss seen eene nennen snnt rennes 8 3 Adding a Service Record for PVCS ssssssssssssseeeeeennen 8 4 Adding a Service Record for SVGS sssssssssssseeeee 8 7 Editing ATM Service Record Parameters eeeeemenen 8 8 ATM Service Record Parameter Descriptions ssssssseee 8 8 Adding or Copying PVCS
217. s Parameter Default Range Function Instructions MIB Object ID T316 120 1 to 720 Defines the Restart Request Sent on Interface timer value in seconds This timer begins when the circuit sends a RESTART message to the network The circuit uses the RESTART message to return all VCs on the interface to the idle condition The Restart Request Sent on Interface timer stops when the circuit receives a RESTART ACKNOWLEDGE message from the network If the timer expires before the circuit receives a RESTART ACKNOWLEDGE message the circuit can transmit as many RESTART messages as specified with the Num Restarts Permitted parameter refer to the parameter description later in this section If the circuit still does not receive a response the circuit enters the Null state until the appropriate maintenance action is taken Accept the default 120 or enter a value from 1 to 720 1 3 6 1 4 1 18 3 4 23 1 7 1 30 9 10 Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters T316c 120 1 to 720 Defines the Restart Request Sent on Channel timer value in seconds This timer begins when the circuit sends a RESTART message to the network The circuit uses the RESTART message to return this individual VC on the interface to the idle condition The Restart Request Sent on Channel timer stops when the circuit receives a RESTART ACKNOWLEDGE message from the netwo
218. s A Mankin A and Perez M ATM Signaling Support for IP over ATM RFC 1755 Network Working Group February 1995 Handel R and Huber M Integrated Broadband Networks An Introduction to ATM Based Networks Reading Massachusetts Addison Wesley Publishing Company 1991 Heinanen J Multiprotocol Encapsulation over ATM Adaptation Layer 5 RFC 1483 Network Working Group July 1993 ITU T B ISDN ATM Adaptation Layer Service Specific Connection Oriented Protocol SSCOP Final Draft March 10 1994 Laubach M Classical IP and ARP over ATM RFC 1577 Network Working Group January 1994 Chapter 2 ATM DXI Features and Implementation Notes ATM DXI Data Exchange Interface allows a link module with a synchronous interface that is HSSI V 35 or RS 449 to connect to an ATM network through an ATM DSU CSU Figure 2 1 When the router transfers data to the DSU CSU the DSU CSU converts variable length packets into uniform 53 byte cells for transmission over the ATM network odi T1 or T3 T1 or T pr ATM pus Network m DSU CSU DSU CSU lt _ HSSI or V 35 RS 449 _ gt B L E Router Router pm D Figure 2 1 ATM DXI Before you customize ATM DXI for yo
219. s Figure 4 4 Lance Figure 4 4 ATM DXI Virtual Circuit Window 4 9 Configuring ATM Services 4 Enter the VPI and VCI numbers that you want to use for the PVC Refer to the following section for guidelines Click on OK Site Manager returns you to the ATM DXI PVC List window refer to Figure 4 3 The window displays the default parameter values for this PVC If you want to change the default configuration of the PVC go to Editing PVC Configuration Parameters later in this chapter To copy an existing PVC complete the following steps Note f you have just completed the procedure to add a PVC skip to Step 3 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI2Interfaces The ATM DXI Interface List window opens refer to Figure 4 2 Click on PVCs The ATM DXI PVC List window opens refer to Figure 4 3 Select the PVC that you want to copy Click on Copy The ATM DXI Virtual Circuit window opens refer to Figure 4 4 Enter the VPI and VCI numbers that you want to use for the PVC Refer to the following section for guidelines Click on OK Site Manager returns you to the ATM DXI PVC List window refer to Figure 4 3 Caution When you run PVCs in direct or hybrid access mode the copy function copies all of the existing PVC specific information to the new PVC However this function does not copy the protocols that you have selected and configured for that
220. s 1A and 1B than for Mode 2 and Mode 2 Proprietary This difference affects the value that you set for the VPI and VCI parameters For allowable VPI and VCI entries for each mode refer to ATM DXI Virtual Circuit Parameter Descriptions later in this chapter 1 3 6 1 4 1 18 3 5 9 5 2 1 18 Max number of VCs 512 to 512 Specifies the maximum number of virtual channels VCs allowed on the selected interface This value is for PVCs only Accept the default 512 or enter a different value between 1 and 512 inclusive 1 3 6 1 4 1 18 3 5 9 5 2 1 5 4 5 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Multiprotocol Encapsulation RFC 1483 Style MPE RFC 1483 Style MPE RFC 1294 Style MPE No MPE Determines whether the outbound packets on the selected interface are encapsulated with a multiprotocol header per RFC 1294 or RFC 1483 All group or hybrid access mode PVCs configured for the selected interface use the value you set for this field We recommend selecting RFC 1483 Style MPE If you are running a version of the ATM DXI lower than Version 8 00 select RFC 1294 Style for backward compatibility If you select No MPE the router interprets this as virtual channel based multiplexing which is not supported for bridging 1 3 6 1 4 1 18 3 5 9 5 2 1 11 CS PDU Encapsulation AALS Encap
221. s and Implementation Notes Before you configure hybrid access on your router carefully evaluate the types of routers you are connecting in your network For example combining Series 7 routers running in group access bridge mode with Series 7 or higher routers running in hybrid access mode may cause broadcasting or spanning tree problems If you plan to configure such a network contact the Bay Networks Technical Response Center Using Hybrid Access for Transparent Bridging In Figure 2 7 traffic bridges between Site A and Site B The bridge Router 1 runs on the ATM DXI network interface and its configuration has the PVCs defined for group access mode Site A Router 2 Bridge port sees one path to Sites A and B Router 1 EL ATM Network Router 3 gt EA Figure 2 7 Example of a Bridged Network In Figure 2 7 the bridge receives data from Site A If the bridge does not recognize the destination address it tries to direct traffic through another bridge port However with group access mode configured the ATM bridge port views the paths to Site A and Site B as the same path Because the bridge does not send out data on the same bridge port from which it just received it the bridge does not direct the data to Site B In this
222. s currently provides the following ATM ILI pairs e AnATM FRE2 link module in conjunction with a Fast Routing Engine FRE2 processor e An ATM Routing Engine link module in conjunction with an ATM Routing Engine ARE processor Either ILI pair allows the router to connect directly to an ATM network over an ATM physical interface However depending on the ATM ILI pair the method of determining bandwidth varies Variable Bit Rate ATM FRE2 ILI pairs use variable bit rate VBR to determine bandwidth allocation VBR allows the VC to accumulate credits whenever it does nof use any bandwidth within its specified average When this VC does use bandwidth the accumulated credits allow it to transmit using the Peak Cell Rate PCR Available Bit Rate ATM ARE ILI pairs use available bit rate ABR to determine bandwidth allocation ABR is a method by which the bandwidth is separated into a guaranteed portion for PVCs and Control VCs and an available portion for data SVCs Note Bay Networks does not currently incorporate ABR congestion control features as defined by the ATM Forum Peak Cell Rate The peak cell rate PCR is the upper traffic rate limit for an individual VC When setting the PCR keep the following in mind e Each VC can have its own PCR e The PCR cannot exceed the maximum rate for the physical media For example you cannot exceed 149 76 Mb s for a SONET SDH line 5 14 ATM Features and Implementation Notes
223. s the maximum number of simultaneous point to point connections allowed for this circuit Accept the default 1000 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 7 Max Point to Multipoint Connections 40 0 to 32767 Identifies the maximum number of simultaneous point to multipoint connections allowed for this circuit Accept the default 40 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 8 Max Parties in Multipoint Connections 1 0 to 32767 Identifies the maximum number of simultaneous parties in a point to multipoint connection allowed for this circuit Accept the default 1 or enter a value from 0 to 32767 1 3 6 1 4 1 18 3 4 23 1 7 1 9 9 5 Configuring ATM Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Min Memory Threshold 20 10 20 30 40 50 60 70 80 90 100 Defines the minimum percentage of buffer memory necessary to enable a new call Accept the default 20 or select another percentage 1 3 6 1 4 1 18 3 4 23 1 7 1 11 VPI 0 0 to 255 Defines the virtual path identifier VPI for the signaling VC The signaling VC is a dedicated VPI VCI pair reserved for signaling messages Accept the default value 0 or enter a value from 0 to 255 1 3 6 1 4 1 18 3 4 23 1 7 1 13 Caution The signaling VC 0 5 and the ILMI VC 0 16 are re
224. scop 3 1i 3 29 11 03 95 11 44 58 925 INFO SLOT 5 ATM_SIG Code 5 Line 1405101 ATM SSCOP active 30 11 03 95 11 44 58 925 DEBUG SLO 5 ATM_SIG Code 24 SSCOP Status Indication PROT_ST_UP KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK Signaling uses SSCOP over VCC 0 5 Q SAAL is composed of SSCOP and SSCS Service Specific Convergence Sublayer If the log message SSCOP Status Indication PROT_ST_DN appears the SSCOP process is not operating on the router and the router clears all the SVCs KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 31 11 03 95 11 44 58 941 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ILMI Connection Indication 32 11 03 95 11 44 58 949 DEBUG SLOT 5 ATM_SIG Code 24 ATM Layer Manager Inbound ILMI Connection Confirm ATM Layer Manager Inbound ILMI Status Indication ILMI Status Indication su 0 ev 3 ui 3 ume 2 1i 2 ILMI Status Indication PROT_ST_UP ATM Sample Log 33 11 03 95 11 44 58 949 INFO SLOT 5 ATM SIG Code 6 Line 1405101 ATM ILMI active Line 1405101 ATM Signaling active KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KKK KKK KKK KKK KKK KKK KKK KKK KKK KK KK ILMI and signaling router processes are operational and the router has established ILMI signaling communication with the switch
225. served These VCs remain in an operational state as long as signaling is enabled on the ATM interface Because most ATM devices use these VPI VCI pairs for signaling we recommend that you not change these values 9 6 Parameter Default Range Function Instructions MIB Object ID Editing ATM Signaling and ILMI Parameters VCI 5 1 to 65535 Defines the virtual channel identifier VCI for the signaling VC The signaling VC is a dedicated VPI VCI pair reserved for signaling messages Accept the default 5 or enter a value from 1 to 65535 1 3 6 1 4 1 18 3 4 23 1 7 1 14 Caution The signaling VC 0 5 and the ILMI VC 0 16 are reserved These VCs remain in an operational state as long as signaling is enabled on the ATM interface Because most ATM devices use these VPI VCI pairs for signaling we recommend that you not change these values Parameter Default Range Function Instructions MIB Object ID T303 4 1 to 24 Defines the Setup Sent timer value in seconds This timer begins when the circuit initiates a call connection request by sending a SETUP message over the signaling VC The Setup Sent timer stops when the circuit receives either a CONNECT message indicating connection CALL PROCEEDING message indicating that the network received the SETUP message or RELEASE COMPLETE message indicating the rejection of the SETUP message from the network If the circuit does not receive
226. so obtains the physical location of the LE client from the MAC address or route descriptor Having both the ATM addresses and the physical locations of all LE clients on the emulated LAN allows the LES to coordinate access among LE clients In other words other LE clients query the LES to obtain the ATM address associated with a specific MAC address or a route descriptor After an LE client receives the ATM address of the LE client it wants to reach the individual clients communicate directly Broadcast and Unknown Server To emulate a traditional LAN the emulated LAN must provide the connectionless data delivery characteristics of a shared network to its LE clients This means that the emulated LAN must also be able to handle broadcast and multicast data The broadcast and unknown server BUS addresses this requirement by distributing all broadcast multicast and unknown traffic to and from all LE clients on an emulated LAN For example when an LE client sets up its initial configuration it obtains the MAC address of the BUS from the LES Using this MAC address the LE client sets up a multicast send VCC to the BUS In turn the BUS registers the LE client as part of its emulated LAN To broadcast data an LE client uses the multicast send VCC to send information to the BUS The BUS then retransmits the data through multiple point to point connections or one point to multipoint connection to each LE client on the emulated LAN
227. ss of the LAN emulation configuration server 1 3 6 1 4 1 18 3 5 9 5 20 1 1 30 8 35 Configuring ATM Services Editing ATM Interface Attributes The ATM interface attributes define the up or down state of the ATM interface and whether ATM signaling is enabled You edit the interface attributes from the ATM Interface Attributes window Figure 8 13 To access this window click on Interface Attributes in the Edit ATM Connector window refer to Figure 8 1 Done App lip EET Helpi aa J friminietrative State Enable ATA Signaling Use Hardasre MAC Sddresa HAL Address hverride Figure 8 13 ATM Interface Attributes Window 8 36 Editing ATM Service and Interface Parameters ATM Interface Parameter Descriptions Use the following descriptions when you set the parameters in the ATM Interface Attributes window Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Administrative State Up Up Down Specifies whether this interface is enabled or disabled Accept the default Up if you want traffic to flow over this interface Set the state to Down if you do not want traffic to flow over this interface 1 3 6 1 4 1 18 3 4 23 1 1 1 3 Enable ATM Signaling Enable Enable Disable Specifies whether ATM signaling is enabled or disabled for this interface Signaling allows you to configure switched fe
228. such as retransmission of lost packets Configuring ATM Services Cell Header After dividing the data into 48 byte segments for transmission the end device that is the ATM DSU CSU or native ATM device attaches the required header information Figure 1 2 5 Byte 48 Byte Header Information Field Generic Flow Control GFC Virtual Path Identifier VPI 1 Virtual Path Identifier VPI Virtual Channel Identifier VCI Virtual Channel Identifier VCI Bytes Cell Loss Virtual Channel Identifier VCI Payload Type PT I Priority a 5 W N Header Error Control HEC Figure 1 2 ATM Cell Header The fields in each ATM cell header provide all the information necessary for networking These fields include the following e Generic Flow Control GFC The first 4 bits of the cell header contain the GFC The GFC controls traffic flow onto the ATM network by controlling the user network interface UNI e Virtual Path Identifier VPI The next 8 bits of the cell header that is the last half of byte 1 and the first half of byte 2 contain the VPI The VPI specifies a virtual path on the physical ATM link Refer to the Data Transmission section later in this chapter for additional information on virtual paths 1 2 ATM Overview Virtual Channel Identifier V CD The next 16 bits of the cell header that is the last half of byte 2 all of byte 3 and the first half of byte 4 contain the VCI Th
229. sulation AALS Encapsulation AAL3 4 Encapsulation No Encapsulation Determines whether the outbound packets on the grouped virtual channels use the AAL 3 4 CS PDU encapsulation or the AAL 5 CS PDU encapsulation The encapsulating method is based on the ATM Forum s ATM DXI specification All group and hybrid access mode PVCs configured for the selected interface use the value you set for this field Choose either AAL 3 4 or AAL 5 according to the desired encapsulation method No Encapsulation is a proprietary value Select this value when you do not want CS PDU encapsulation 1 3 6 1 4 1 18 3 5 9 5 2 1 12 4 6 Editing ATM DXI Parameters Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Multicast Disable Enable Disable Indicates whether the selected ATM DXI interface supports multicast packets Accept the default Disable if you do not want the interface to accept multicast packets Set to Enable if you want the selected interface to accept multicast packets 1 3 6 1 4 1 18 3 5 9 5 2 1 13 LMI Enable Enable Enable Disable Specifies whether our proprietary version of the Local Management Interface LMI is enabled for the selected interface This LMI is not compatible with the ATM Forum standard LMI and is only for use with DXI Mode 2 Proprietary Accept the default Enable if you want LMI enabled for
230. t 103 Line 104 Port 105 Event 106 EC EC Op dr La La 107 Ta Des Sr SLC 108 ATM L 109 ATM L ATM L FSM a ATM Layer Manager Inbound FSM atmlmst cing tcc call ref 7 11 03 95 11 45 15 968 DEBUG AMUIAMTCONCFM 11 03 95 11 45 15 972 INFO 1405101 vpi vci 0 33 has been activated 11 03 95 11 45 15 972 INFO ATM Sample Log SLOT 5 ATM SIG Code 24 Signalling Connection Confirm State NETWORK WAIT SLOT 5 AT Code 8 SLOT 5 ATMINTF Code 15 1 virtual channel VPI 0 VCI 33 call reference 7 activated 11 03 95 11 45 15 976 DEBUG VC MOD RSP 11 03 95 11 45 15 976 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound VC MOD RESPONSE Message FSM atmlmst cing vmr call ref 7 State VC MOD MSG WAIT ATM Layer Manager Outbound Open Confirm SLOT 5 ATM LE Code 45 opened Control Direct VCC for LEC 3 VP VC 0 33 Control Packet code JOI Req Type REQUEST ansaction Id 00fb7b60 Requestor LECID 0000 Flags 0080 n Type 802 3 Max Frame Size 1516 n Name 29 11 03 95 11 45 15 980 DEBUG SLOT 5 ATM Ll Code 45 rg ATM Address 00000000000000000000000000 000000000000 00 D GANG RI c ATM Address 39000000000000000000000000 0000a20e9fca 00 LAN 00 00 a2 0e 9f ca 11 03 95 11 45 16 050 DEBUG SLO 5 ATM SIG Code 24 ayer Manager Inbound Sig
231. that use both bridging and routing over a single ATM DXI interface This mode is also best for spanning tree bridging 2 9 Configuring ATM Services If your network combines bridging and routing over the same interface you need PVCs in group access mode for routing while at the same time you need bridging to operate over these same PVCs Since group access mode does not allow for bridging in nonmeshed environments you must use hybrid access mode In this mode a PVC behaves like a direct access PVC for bridging while maintaining group access characteristics for routing protocols Figure 2 6 Bridge protocol sees two interfaces to the network ATM Direction of Data Network Interface Pe IX Hybrid PVC ATM Network Routing Bridge Protocol Protocol Hybrid PVC Routing protocol sees one interface to the network Figure 2 6 Hybrid Access Mode Interface to Network For hybrid access mode you must configure all PVCs manually and assign bridging protocols to run on each PVC Hybrid access supports all protocols that are available for the ATM interface IP IPX XNS DECnet Phase IV AppleTalk VINES and bridge Note When you select hybrid access mode for a PVC Site Manager provides only three protocol options Bridge Spanning Tree and Native Mode LAN NML These protocols as well as the protocols that are on the ATM interface can run on the PVC 2 10 ATM DXI Feature
232. the default 3 or enter a value from 1 to 100 1 3 6 1 4 1 18 3 4 23 1 7 1 37 Num Messages Sec for Call Pacing 2 0 to 2147483647 Defines the maximum number of signaling messages the interface can transmit per second Accept the default value 2 or enter a value from 0 to 2147483647 1 3 6 1 4 1 18 3 4 23 1 7 1 40 9 14 Editing ATM Signaling and ILMI Parameters Editing the ATM Signaling Control VC To edit the ATM Signaling Control VC parameters 1 In the Edit ATM Connector window refer to Figure 9 1 click on ATM Signaling The ATM Signaling Parameters window opens Figure 9 3 urs Apply Haa Humber of SYD Applications Hes Point to Point Connections Hmx Point to BultiPooyt Conrmert ions Hmx Perties En MultiPntnet GConnechiones Hin Hemp Threshold Figure 9 3 ATM Signaling Parameters Window 2 Click on the interface that you want to edit The settings for that interface appear in the boxes next to each parameter 3 Click on Sig VC The ATM Control VC for Signaling window opens Figure 9 4 9 15 Configuring ATM Services po AmMtomeONrgumMg Apply To ae Help T o x Xmit Peak Cell Rate celis Sent Srstaineble Cell Ratelcells s Seat Burst Size celle Hain ARAL OPCS Transmit SDU Size Hmximum AAL OPCS Receive SU Sire Figure 9 4 ATM Control VC for Signaling Window 4 Assign values to the signaling VC parameters Refer to the following section for guidelines
233. the interface Set to Disable if you do not want LMI available for the interface 1 3 6 1 4 1 18 3 5 9 5 2 1 15 Caution f you disable LMI the DSU CSU cannot report traps to the router and the router cannot retrieve statistical information from the DSU CSU Configuring PVCs You must manually configure all ATM PVCs for each interface This section describes how to Add or copy PVCs Edit PVC configuration parameters 4 7 Configuring ATM Services Adding or Copying PVCs a Whether you add or copy a permanent virtual circuit you can always change the configuration of the PVC later Caution When you run PVCs in direct or hybrid access mode the copy function copies all of the existing PVC specific information to the new PVC However this function does not copy the protocols that you have selected and configured for that PVC You must select and configure any desired protocols for the newly copied PVC To add a PVC complete the following steps 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt ATM DXI gt Interfaces The ATM DXI Interface List window opens refer to Figure 4 2 2 Click on PVCs The ATM DXI PVC List window opens Figure 4 3 4 8 Editing ATM DXI Parameters EMFIELE j IIREET ADCESS Multinecboonl Encapsulation 1 H3 STY CS POU Encapsulation Multicast Figure 4 3 ATM DXI PVC List Window 3 Click on Add The ATM DXI Virtual Circuit window open
234. ting Engine FRE2 processor e An ATM Routing Engine link module in conjunction with an ATM Routing Engine ARE processor Both ILI pairs are functionally similar and you configure them in generally the same way For a list of the features each ATM ILI pair supports refer to Chapter 5 ATM Features and Implementation Notes D 4 Sample ATM Network Understanding the Control Software The sample ATM network consists of various control software components Each of these components provides a necessary function within the ATM network Role of the CMS The ATM CMS software provides connection services within the ATM network Functions of the CMS include e Managing call setup maintenance and clearing within a switch domain e Negotiating network resources a network path and bandwidth prior to sending ATM traffic e Ensuring that the required network resources network path and minimum bandwidth exist prior to sending ATM traffic e Automatically sending calls along available paths and in the event of a network fault rerouting any new calls e Collecting combining and filtering network management information before sending it to the ATM network management application NMA software e Providing a central boot server location for a switch and other devices within the network e Supporting ILMI signaling Q 2931 and Q SAAL Quality of Service QoS and Connection Admission Control CAC traffic management services as defin
235. tructions MIB Object ID Editing ATM Service and Interface Parameters ATM Addr Net Prefix Optional None XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Defines the Network Prefix of the ATM address for this service record The network prefix specifies the ATM domain of which this service record is a part The XX byte must contain 39 45 or 47 These values define the Authority and Format Identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the AFI byte refer to the ATM Forum UNI specification Version 3 0 Setting this parameter is optional If you do not enter an ATM Address Network Prefix in the range specified above the service record accepts the first prefix value that it receives from the switch 1 3 6 1 4 1 18 3 4 23 1 2 1 8 Emulated LAN Name Default ELAN Leave blank or enter up to 128 alphanumeric characters Identifies the name of the emulated LAN that this LE client joins when it joins an emulated LAN Clients that use Automatic configuration mode use this parameter in their LE CONFIGURE REQUEST frames Clients that use Manual configuration mode use this parameter in their LE JOIN REQUEST frames Entering an ELAN name is optional However if you do not enter an ELAN name the LAN emulation client server LECS assigns the LE client to an ELAN for this domain Either leave th
236. tructions for setting the parameter and the Management Information Base MIB object ID The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB object ID This process is equivalent to modifying parameters using Site Manager For more information about using the Technician Interface to access the MIB refer to Using Technician Interface Software Caution The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration 3 1 Configuring ATM Services Enabling Overview When you enable ATM DXI service you must 1 Enable ATM DXI on an interface 2 Enable protocols on that interface 3 Add permanent virtual circuits PVCs If you want to edit the ATM DXI Interface parameters which define the ATM interface to the physical line or add more PVCs refer to Chapter 4 Enabling ATM DXI on an Interface To enable ATM DXI on an interface complete the following steps 1 Select ATM DXI from the WAN Protocols window Figure 3 1 this window opens after you select a link or net module connector that requires a WAN protocol Figure 3 1 WAN Protocols Window 2 Click on OK The Select Protocols window opens Figure 3 2 3 2 Enabling ATM DXI Service Sal ct Pratzcalz E i Figure 3 2 Select Protocols Window The next section explains how to enable protocols Enabling P
237. uctions For each ATM signaling and ILMI parameter this chapter describes e The default setting e All valid parameter options e The parameter function e Instructions for setting the parameter e The MIB object ID Begin from the Edit ATM Connector window Figure 9 1 For instructions on how to access the Edit ATM Connector window refer to Chapter 7 9 1 Configuring ATM Services Sipaling f l jAi nteria Local Moncgescnt Enterfaco Figure 9 1 Edit ATM Connector Window Editing ATM Signaling Attributes The ATM signaling attributes define how the ATM interface communicates within the ATM network To edit ATM signaling parameters 1 In the Edit ATM Connector window refer to Figure 9 1 click on ATM Signaling The ATM Signaling Parameters window opens Figure 9 2 9 2 Editing ATM Signaling and ILMI Parameters r res gt gt Apply Aae Humber of SVD Applications Hax Point to Point Connections Has Pount to BultiPoont Connect Lone Has Parties In MultiPn nt Conmections Hin Hemory Threshold Figure 9 2 ATM Signaling Parameters Window 2 Click on the interface that you want to edit The settings for that interface appear in the boxes next to each parameter 3 Assign values to the configuration parameters Refer to the following section for guidelines 4 Click on Apply The Configuration Manager updates the configuration file 9 3 Configuring ATM Services ATM Signaling
238. ur router e Read about the kinds of support that a router running ATM DXI provides e Review the notes describing how Bay Networks implements special ATM DXI features 2 1 Configuring ATM Services ATM DXI Support A router running ATM DXI provides the following support Routing of IP IPX XNS DECnet Phase IV AppleTalk and VINES traffic over the ATM network MAC level transparent bridging over the ATM network Multiprotocol encapsulation functions defined in RFC 1294 and RFC 1483 that enable concurrent bridging and multiprotocol routing support on the same PVC A Convergence Sublayer function compatible with AAL 3 4 and AAL 5 as defined in Section 1 of the CCITT now ITU T B ISDN Protocol Reference Model PRM Error checking ATM DXI Link Management Interface LMI including SNMP Proxy support This is a proprietary version of the LMI and is available only when using the Mode 2 Proprietary DXI encapsulation with a Digital Link DSU CSU Broadcasting and multicasting support ARP and Inverse ARP support The DSU CSU supports the following layers Segmentation and Reassembly SAR sublayer of the AAL ATM layer defined in the B ISDN PRM Physical layer interface to the ATM network through DS1 and DS3 Multiprotocol Encapsulation Multiprotocol encapsulation enables the router to multiplex and demultiplex bridged or routed protocol data units PDUs For transmission this function adds a header between 2 and 8 oct
239. use values are defined in the cause section of the ATM UNI specification In line 67 reason 3 indicates a LE client close reason was LE_SIGREASON_OTHER probably because SSCOP is not currently operating line 65 indicates SSCOP is not operating KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK KKK 68 11 03 95 11 44 59 921 DI LEC API msg 00ef6ee 69 11 03 95 11 45 01 929 DEBU ATM Layer Manager Inbound OP EBUG LE Config Response f SLOT 5 ATM LE Code 45 rom LEC 3 UserHandle 15592560 TransId G SLOT 5 ATM SIG EN VC REQ 70 11 03 95 11 45 01 929 TRAC LEC Called SIG Open VC E SLO 5 ATM LE cct 3 call ref 4 sig id 1 Code 24 Code 41 ATM Sample Log 71 11 03 95 11 45 01 929 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound ATM VC Reserve Respons FSM atmlmst cing rr call ref 4 State RESERVE WAIT Event ATM VC RESERVE RSP MS ATM Layer Manager Outbound Connect Request 72 11 03 95 11 45 01 933 DEBUG SLOT 5 ATM SIG Code 24 ATM Layer Manager Inbound Signalling Release Indication FSMatmimst ATM Releas ATM Layer ATM Layer tri nws call ref 4 State NETWORKWAIT Event AMUIAMTRELIND e request call ref 4 cid 6 vpi vci 0 0 anager Inbound ATM VC Release Respons Manager Outbound Close Indication 73
240. vices Signal f CFL Interim Local Manapeesnt Er Figure 8 1 Edit ATM Connector Window Editing Service Attributes The service attributes define the ATM service records for an interface and any virtual circuits on those service records You must manually add and configure all ATM service records for each interface and any permanent virtual circuits on each PVC type service record This section describes how to Add PVC or SVC service records Edit service record parameters Add or copy PVCs Edit PVC parameters Edit LAN emulation client parameters 8 2 Adding Service Records Editing ATM Service and Interface Parameters The Configuration Manager allows you to add service records for a specific data encapsulation type Depending on the data encapsulation type you choose the Configuration Manager also allows you to select a PVC or SVC virtual connection type for that service record Table 8 1 identifies which data encapsulation types you can apply to permanent and switched virtual circuits Table 8 1 Valid Data Encapsulation Types for PVCs and SVCs Data Encapsulation Type Permanent Virtual Circuit Switched Virtual Circuit LANE 802 3 v LLC SNAP v v NULL v v Note For an explanation of the different data encapsulation types and rules for assigning data encapsulation refer to Chapter 7 8 3 Configuring ATM Services Adding a Service Record for PVCs To add a service
241. window using 7 2 editing adjacent hosts C 13 ATM service record parameters 8 8 ILMI Control VC parameters 9 30 to 9 31 Interface Attribute parameters 8 36 IP interface C 17 LAN emulation parameters 8 26 to 8 27 PVC parameters 8 18 to 8 20 SAAL attributes 9 21 to 9 22 9 26 signaling attributes 9 2 to 9 3 Signaling Control VC parameters 9 15 to 9 16 ELAN Name parameter 8 30 Emulated LAN Name parameter 8 11 Enable ATM Signaling parameter 6 5 8 37 Enable parameter adjacent host C 14 ATM DXI Interface List window 4 4 ATM DXI PVC List window 4 14 ILMI 9 27 LAN emulation 8 28 SAAL 9 22 signaling 9 4 Enable Disable parameter service record 8 8 enabling ATM 6 2 ATM DXI 3 2 encapsulation multiprotocol 5 3 error checking ATM 5 6 ATM DXI 2 4 Expected LE ARP Response Time parameter 8 34 F Flush Protocol parameter 8 35 Flush Timeout parameter 8 34 Forward Delay Time parameter 8 33 G getting help from a Bay Networks Technical Response Center xxii through CompuServe xxi through InfoFACTS service xxi through World Wide Web xxii group access mode ATM DXI 2 8 H Host Encapsulation parameter C 16 hybrid access ATM DXI PVCs 2 9 to 2 12 ATM PVCs 5 10 to 5 11 Hybrid Bridged VC parameter 8 21 ILMI attributes selecting 7 16 window sequence 7 17 Control VC parameters editing 9 30 to 9 31 support 5 4 ILMI Get Next Retry Count parameter 9 29 ILMI Get Next Timer pa
242. windows using the Configuration Manager Protocols menu an ATM interface must already contain at least a basic configuration This means you cannot enable an ATM interface using the Protocols menu You must use the Edit ATM Connector window to enable an ATM interface Although you can access the same ATM windows using either the Protocols menu or the Edit ATM Connector window the information provided by each access method is slightly different Note The Protocols menu in the Configuration Manager does not provide access to ATM line parameters Since line parameters are specific to an interface you can access these parameters through a specific ATM interface Using the Edit ATM Connector Window The Edit ATM Connector window Figure 7 2 acts as a control access point for all ATM parameters This window provides information specific to each individual ATM interface For any given interface this window provides several attribute buttons By clicking on any of these buttons you can access and edit various parameters associated with that specific ATM interface connector The Edit ATM Connector window separates the attribute buttons into the following categories e ATM service record interface and line attributes e Signaling Signaling AAL SAAL and ILMI attributes The Edit ATM Connector window also allows you to delete ATM from the interface entirely see Deleting ATM from an Interface later in this chapter for details
243. work MIB Object ID 1 3 6 1 4 1 18 3 5 3 2 1 4 1 113 C 9 Configuring ATM Services Parameter Default Range Function Instructions MIB Object ID ARP Server ATM Address User Part None 00000000000000 to FEFFFFFFFFFFFF Defines the user part suffix of the ATM address for the ATM ARP server on your network The user part suffix consists of a 6 byte endstation identifier and a 1 byte selector field The user part and the network prefix form a complete ATM address Enter the ATM address user part of the ATM ARP server for your network 1 3 6 1 4 1 18 3 5 3 2 1 4 1 113 Configuring Classical IP over ATM Configuring an ATM Address for an Adjacent Host An adjacent host is a network device on the local LIS You must configure an ATM address for all hosts on the LIS that do not implement ATMARP To add edit or delete a transmission path to an adjacent host 1 In the Configuration Manager window select Protocols IP Adjacent Hosts The IP Adjacent Hosts window opens Figure C 9 This window lists all adjacent hosts configured on the router Done Add Delete Apply Values Help Enable Next Hop Interface Addr MAC Address Host Encapsulation Adjacent Host X 121 Address Figure C 9 IP Adjacent Hosts Window 2 Go to the following sections to add edit or delete adjacent hosts Configuring ATM Services Adding an Adjacent Host To add an adjacent host 1 Inthe IP A

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