Avaya Configuring SMDS User's Manual
Contents
1. Synchronous or MCT1 MCE1 Interface Low speed only SMSO011A Figure 2 2 Low Speed Access to SMDS Network Another low speed SMDS option is to use a low speed DSU CSU to connect to the network In this case a V 35 cable physically connects the router to the DSU CSU Figure 2 3 JL Low Speed Router DSU CSU V 35 Interface SMS0012A Figure 2 3 Low Speed Access to SMDS Network via a Low Speed DSU 2 2 114069 Rev A Implementation Notes Requirements for the Router and the DSU CSU The next sections provide configuration requirements for the router and the DSU CSU to implement high speed SMDS DXI Protocol Requirements Version 3 2 ofthe DXI protocol manages the data exchange between the router and the DSU CSU Because the router does not support earlier DXI versions the DSU CSU must support DXI Version 3 2 DXI Version 3 2 provides an optional heartbeat poll mechanism to periodically verify the router and DSU CSU connection Be sure to enable heartbeat polling on the DSU CSU The DXI also provides support for both 16 bit and 32 bit cyclic redundancy checks CRCs Network devices use CRCs to check data for transmission errors When the router or DSU CSU receives data each reads the CRC character and compares the value it calculates to the actual CRC character in the data packet Ensure that the CRC values for the router and the DSU CSU m2. Configuring SMDS Router Software Version 11 0 Site Manager Software Version 5 0 Part No 114069 Rev A August 1996 Cosi Bay Networks 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 August 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 ii 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 rights of the United States Government regarding its use reproduction and d
3. Figure 2 6 shows a multigroup configuration Group Address Individual Address IP Address Group Address Individual Address IP Address Group Address Individual Address gt IP Address SMS0009A Figure 2 6 Multigrouping SMDS and IP Addresses Once you configure an SMDS group address you can then assign this group address to at least one IP subnetwork An IP address identifies the subnetwork 114069 Rev A 2 7 Configuring SMDS By associating or pairing a different SMDS group address with each IP address you achieve multigrouping A multigroup configuration enables you to use one SMDS physical line SNI to connect many nodes located on different subnetworks It also allows you to limit broadcast and multicast traffic such as Routing Information Protocol RIP updates Address Resolution Protocol ARP updates and Open Shortest Path First OSFP messages to their respective SMDS groups For example in Figure 2 7 two separate subnetworks share the same SNI The routers in these networks use RIP updates to communicate network information The routers broadcast RIP updates to each node on the network Because each RIP network shares an SNI the only way to prevent RIP updates from interfering with one another is to isolate these subnetworks by associating each one with a different SMDS group address 2 8 114069 Rev A Single Group Addresses for a single
4. Mb s the SMDS Interest Group SIG wanted to simplify the integration of SMDS into existing network equipment and to hasten SMDS into the market To do this they divided the functions defined by the SIP levels between devices that handle local network packets for example a router and devices that interface with the digital services provided by common carriers a DSU CSU The Data Exchange Interface DXI protocol defines this division of tasks and describes the router and DSU CSU relationship Figure 1 4 Refer to the next section for more information SMDS Network OD oO LC Router ol SMDS DSU CSU Switch Router DXI protocol defines the router and DSU CSU interface Figure 1 4 SMSO0005A DXI Protocol For low speed SMDS 56 Kb s to 64 Kb s the DXI is extended out to the SMDS network In this case you do not need a special SMDS DSU CSU PDU Assembly SMDS PDU assembly begins when the router receives a network generated packet The router takes the entire packet and encapsulates it within a 36 byte header containing addressing length and control information and a 4 byte trailer containing a CRC value thereby creating an SMDS
5. SMDS interface e Retrieve the configuration file in local remote or dynamic mode For instructions refer to Configuring Routers or Configuring Customer Access and Trunks BNX Software depending on the type of installed software xii 114069 Rev A Conventions bold text italic text quotation marks screen text separator gt vertical line About This Guide Indicates text that you need to enter command names and buttons in menu paths Example Enter wism amp Example Use the dinfo command Example ATM DXI gt Interfaces gt PVCs identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu 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 Separates menu and option names in instructions and internal pin to pin wire connections Example Protocols gt AppleTalk identifies the AppleTalk option in the Protocols menu Example Pin 7 gt 19 gt 20 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 b
6. to check incoming addresses and control the calls it receives If not accept the default Disable To determine whether the router is rejecting addresses use the Technician Interface script show smds stats Refer to Using Technician Interface Scripts for more information 1 3 6 1 4 1 18 3 5 9 3 1 17 Deleting SMDS from the Router To delete SMDS from all router circuits complete the following steps 1 From the Configuration Manager window refer to Figure 4 1 select Protocols gt SMDS gt Delete SMDS The Configuration Manager prompts Do you REALLY want to delete SMDS Click on OK The Configuration Manager returns you to the Configuration Manager window SMDS is no longer configured on the router 4 8 114069 Rev A Appendix A SMDS Default Settings This appendix lists the default settings for SMDS Use the Configuration Manager to edit any of the default settings listed here Table A 1 SMDS Interface Parameters Parameter Default Enable Enable Individual Address C1FFFFFFFFFFFFFF Group Address E1FFFFFFFFFFFFFF ARP Address E1FFFFFFFFFFFFFF Heartbeat Poll Enable Heartbeat Poll Interval 10 seconds Heartbeat Poll Down Count 3 messages LMI Network Mgmt Disable Enable Incoming Address Screening Disable 114069 Rev A A 1 Art SMSO0001A EPS 1 1 Art SMS0002A EPS 1 3 Art SMS0003A EPS 1 3 Art SMS0005A EPS 1 4 Art SMS0004A EPS 1 6 Art SMS0006A EPS 2 1
7. 991 Bellcore Generic Requirements for SMDS Customer Network Management Service Technical Advisory TA TS V 001062 Issue 2 February 1992 Bellcore Generic System Requirements in Support of Switched Multi Megabit Data Service Technical Reference TR TSV 000772 Issue 1 May 1991 114069 Rev A Configuring SMDS Bellcore Local Access System Generic Requirements Objectives and Interfaces in Support of Switched Multi Megabit Data Service Technical Reference TR TSV 000773 Issue 1 June 1991 Cox T and Tesink K Definitions of Managed Objects for the DS3 Interface Type RFC 1233 Network Information Center NIC SRI International Menlo Park California May 1991 Klessig R and Tesink K SMDS Wide Area Data Networking with Switched Multi megabit Data Service Prentice Hall Inc Englewood New Jersey 1995 Piscitello D and Lawrence J The Transmission of IP Datagrams over the SMDS Service RFC 1209 Network Information Center NIC SRI International Menlo Park California March 1991 SMDS Interest Group SMDS Data Exchange Interface Protocol Revision 3 2 Technical Specification SIG TS 001 1991 October 1991 SMDS Interest Group SMDS DXI Local Management Interface Technical Specification SIG TS 002 1992 May 1992 The following publications provide a less technical introduction to SMDS service Davidson R and Muller N The Guide to SONET Planning Installing amp Maintaining Broadband Networks Tele
8. Address Er Individual Address IP Address SMSO0010A Figure 2 4 SMDS and IP Addresses for a Multinet Configuration Figure 2 5 on page 2 6 shows a sample multinet configuration where several IP networks are using one SNI Each side of the network shows a different use of group and individual addresses for connecting to the IP networks A multinet configuration allows for efficient network addressing and a cost effective method of implementing SMDS 114069 Rev A 2 5 Configuring SMDS Router Single Group Address for a single SNI Individual Address C14089991 000FFFF Group and ARP Address E18008881000FFFF Individual Address Individual Address C14089991002FFFF Group and ARP Address E18008881000FFFF Re Address 128 1 1 1 Addr Mask 255 255 255 0 C14089991001FFFF Single _ Group and ARP Address Group Individual Address E18008881000FFFF Addresses C14089991 003FFFF fora Group and ARP Address single SNI E18008881 000FFFF IP Address 128 1 1 4 Addr Mask 255 255 255 0 IP Address 150 50 1 1 Addr Mask 255 255 255 0 This side shows one Group Address with many Individual and IP Addresses Logical IP interface Physical SMDS line Figure 2 5 Multinet Configu
9. Art SMS0011A EPS 2 2 Art SMS0012A EPS 2 2 Art SMSO009A EPS 2 5 Art SMS0010A EPS 2 5 Art SMS0007A EPS 2 6 Art SMSO009A EPS 2 7 Art SMS0008A EPS 2 9 114069 Rev A 114069 Rev A A access classes for SMDS 1 2 addresses group 1 7 used for multigroup 2 7 used for multinet 2 5 individual 1 7 used for multigroup 2 7 used for multinet 2 5 ARP Address parameter 3 4 4 5 Bay Networks CompuServe forum xx Customer Service FTP xix home page on World Wide Web xix InfoFACTS service xxi publications ordering xv support programs xviii Support Source CD xx Technical Response Center xvii xxi technical support xvii C CompuServe Bay Networks forum on xx connections to router 2 1 connectivity using heartbeat polling 2 3 Customer Service FTP xix customer support See getting help cyclic redundancy check CRC values 2 3 Index D Data Exchange Interface DXI protocol description 1 4 requirements for SMDS version supported 2 3 defaults for SMDS parameters A 1 deleting SMDS from the router 4 8 DSU CSU configuration requirements for 2 3 role in SMDS network 1 4 E E 164 addresses for SMDS 1 3 Enable Incoming Address Screening parameter 4 8 Enable parameter 4 4 enabling SMDS 3 1 to 3 4 G getting help from a Bay Networks Technical Response Center xxi from the Support Source CD xx through CompuServe xx through Customer Service FTP xix through InfoFACTS service
10. Level 3 PDU Figure 1 5 1 4 114069 Rev A SMDS Overview The router next prepares the Level 3 PDU for transmission to the DSU CSU by encapsulating it within a DXI header and trailer that provide control information Upon receiving the DXI packet the DSU CSU strips the DXI header trailer and divides the Level 3 PDU into fixed length 44 byte units called cells The DSU CSU encapsulates these cells within a 7 byte header and 2 byte trailer to form Level 2 PDUs Finally the DSU CSU inserts an additional four bytes of framing information between each Level 2 PDU and transmits the framed cells across a Digital Service Level 1 DS1 or DS3 connection to the SMDS network Figure 1 5 shows the assembly of SMDS cells as specified by the DXI 114069 Rev A Configuring SMDS Switch Receives LAN Packet Segmentation ERPS eo RL 4 byte trailer gt Level 3 PAYLOAD Encapsulation l l C JI Switch 36 byte header 4 byte trailer I I DXI header DXI trailer DXI l l l i l l gt DSU CSU PAYLOAD PAYLOAD PAYLOAD 7 byte 44 byte 2 byte 7 byte 44 byte 2 byte 7 byte 44 byte 2 byte header cell trailer header cell trailer header cell trailer PAYLOAD a PAYLOAD KS PAYLOAD Framing field Framing field K SMSO0004A Figure 1 5 DXI Packet Assembly 1 6 114069 Rev A SMDS Overview SMDS Individual Addresses An SMDS individual address is a unique address that
11. S Interface Parameter Descriptions Use the following descriptions as guidelines when you edit the SMDS interface parameters Parameter Enable Default Enable Options Enable Disable Function Enables or disables SMDS on this interface Instructions Set to Disable if you want to temporarily disable SMDS on this interface MIB Object ID Parameter Default Options Function Instructions MIB Object ID rather than delete it Set this parameter to Enable if you want to re enable SMDS 1 3 6 1 4 1 18 3 5 9 3 1 2 Individual Address C1FFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscription agreement that you have with your SMDS provider Provides aMAC layer address The Configuration Manager fills in this field based on your original SMDS interface configuration Enter the new SMDS E 164 address for example C15085558734FFFF To configure this parameter for a multinet or multigroup configuration refer to Chapter 2 for instructions 1 3 6 1 4 1 18 3 5 9 3 1 5 4 4 114069 Rev A Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing SMDS Parameters Group Address EIFFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscription agreement that you have with your SMDS provider Provides a MAC layer multicast address for this SMDS interface The C
12. SNI Individual Address C14089991000FFFF E18008881000FFFF Group and ARP Address Individual Address C14089991001FFFF Group and ARP Address E18008881000FFFF Multiple Group Addresses for a single SNI Individual Address C14089991002FFFF Group and ARP Address E18008882000FFFF IP Address 128 1 1 3 Adar Mask 255 255 255 0 IP Address 150 50 1 2 Addr Mask 255 255 255 0 Logical IP interface Physical SMDS line Figure 2 7 Implementation Notes N IP Address 128 1 1 1 Addr Mask 255 255 255 0 Individual Address C14089991003FFFF Group and ARP Address E18008881000FFFF Multiple Group Addresses for a single SNI Individual Address C14089991004FFFF Group and ARP Address E18008882000FFFF Router Multigroup Configuration IP Address 128 1 1 2 Addr Mask 255 255 255 0 IP Address 150 50 1 1 Addr Mask 255 255 255 0 SMS0008A 114069 Rev A 2 9 Configuring SMDS To configure multigroup follow these steps 1 In your SMDS configuration parameters enter addresses in the Group Address ARP Address and Individual Address parameters described in Chapter 3 of this book 2 In your IP interface configur
13. Stack un 1 3 OMES LES POL genen 1 3 LIFE era A ATAT E AA AE E N 1 4 UX Packar deel aaa 1 6 Access to SMDS Network via a Router and DSU CSU 0 eee 2 1 Low Speed Access to SMDS Network 2usrs240usnnnnnnnnannnnnnnnnnnannnnnnnn 2 2 Low Speed Access to SMDS Network via a Low Speed DSU 2 2 SMDS and IP Addresses for a Multinet Configuration 2 5 e E de e le 2 6 Multigrouping SMDS and IP Addresses Auen 2 7 Motoro p Goniguralen ana 2 9 SMDS Configuration Window e E 3 2 Comiguration Manager lun sat cas ceri sccccignced ninia 4 2 le E 4 3 vii Tables Table 2 1 Synchronous Line Parameter Settings for SMDS A 2 10 Table A 1 SMDS Interface Parameters u a weh A 1 114069 Rev A ix About This Guide If you are responsible for configuring and managing Bay Networks routers or BNX platforms read this guide to learn how to customize Bay Networks software for Switched Multimegabit Data Services SMDS This guide Configuring SMDS offers e An overview of the SMDS protocol Chapter 1 e Implementation notes that may affect how you configure SMDS Chapter 2 e Instructions on enabling SMDS on your router Chapter 3 e Instructions on editing SMDS interface parameters and configuring SMDS Chapter 4 Software Suites Routing and Switching software is available in the following suites e The System Suite includes IP routing 802 1 Transparent Bridge Source Route Bridge T
14. a to ensure that during heavy traffic conditions the link stays up and allows these messages to get through to the DSU CSU 2 4 114069 Rev A Multinet Implementation Notes Multinet a feature of the Internet Protocol IP allows you to support many IP networks over one SMDS line by allowing many hosts on a single logical IP subnetwork A multinet network is economical because you do not have to purchase as many SMDS group addresses from your SMDS provider as you might with other configurations Multinet configurations enable you to configure one SMDS individual address and one SMDS group address for a single SNI and then associate many logical IP subnetworks with these single SMDS addresses A logical IP subnetwork is a host that is directly connected to the SMDS network A second variation of a multinet configuration allows you to have multiple SMDS individual addresses along with a single SMDS group address by configuring an individual address per IP host address for the same group address For information about IP refer to Configuring IP Services Figure 2 4 shows the two types of multinet configurations Type 1 Single group and individual addresses multiple IP address IP Address Group Address gt Individual Address vk IP Address ee IP Address Type 2 Single group address multiple individual and IP address Individual Address IP Address Group Address gt Individual Address gt IP
15. at 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 ji 114069 Rev A 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 grant any Software license whatsoever e
16. atch This means that if you set the router to 16 bit CRCs you must set the DSU CSU to 16 bit CRCs If necessary you can modify the CRC values 16 bit or 32 bit for both synchronous and HSSI connections Local Management Interface The Local Management Interface LMI protocol works with the DXI to enable the router and the DSU CSU to exchange management information The LMI uses a subset of the Simple Network Management Protocol SNMP to provide for router management queries DSU CSU responses to queries and DSU CSU generated asynchronous trap events Before enabling the LMI on the router ensure that the DSU CSU supports this protocol and that you enable it on the DSU CSU 114069 Rev A 2 3 Configuring SMDS Protocols Supported by SMDS SMDS can operate with the following protocols e AppleTalk e APPN e Bridge including Spanning Tree e DECnet IV e DLSw e Internet Protocol IP including Address Resolution Protocol ARP support e Internet Packet Exchange IPX e LLC2 e Native Mode LAN e Source Routing with Bay Networks 8101 encapsulation e Source Routing with Spanning Tree e VINES e Xerox Network System XNS Note SMDS does not support OSI Priority of Heartbeat Poll Messages When you select SMDS on a circuit the router automatically assigns the highest priority to heartbeat poll and LMI messages that it sends to the DSU CSU The heartbeat poll and LMI messages must have priority over other dat
17. ation enter the same addresses that you entered in the SMDS parameters in the previous step The equivalent IP parameters are SMDS Group Address SMDS ARP Req Address and MAC address Refer to Configuring IP Services for information about IP these parameters 3 Add anew IP interface with a unique IP subnetwork address This address should include a network subnet and host address 4 Enter a new Group Address ARP Address and Individual Address for this new IP interface The IP interface parameters override these same parameters in the SMDS configuration for this and subsequent IP interfaces Configuring Synchronous Lines for SMDS If you enable SMDS on a circuit Site Manager automatically sets the following synchronous line parameters Table 2 1 Synchronous Line Parameter Settings for SMDS Parameter Value BOFL Disable Promiscuous Enable Service Transparent WAN Protocol SMDS For more information on these parameters refer to Configuring Routers or Configuring Customer Access and Trunks BNX Software depending on the type of installed software 2 10 114069 Rev A Chapter 3 Enabling SMDS This chapter provides information on how to enable SMDS It assumes you have read Configuring Routers or Configuring Customer Access and Trunks BNX Software depending on the type of installed software and that you have 1 Opened a configuration file 2 Specified router hardware if this is a loca
18. cissancrietieanceatesssaccastevaaecesslesracatestanaccdtnnenmneaiies xix MOET VEN UMM NONE E xix EE esse xix EI EL E XX EUR nun EIER E E E A EET E XX le E xxi HRS BETEN EE xxi Chapter 1 SMDS Overview How SMDS Sends LAN Data over WANS nase 1 2 SMDS Interface Protoco EE EEN TE 1 2 Data Exchange Jet aper bag ansehe 1 4 PEU PEM ees ee eege 1 4 SMDS ET 1 7 SMDS Group EE 1 7 For More Iniormaton about SMDS arenira un 1 7 114069 Rev A v Chapter 2 Implementation Notes Requirements forthe Router and the DSWESU sssccccccssccacceecsscaacecssssscceeeessscaaceessecnacecesie 2 3 DAI Protoc l E 1g Le anna 2 3 Local EE a 2 3 Protocols Supported By TEE 2 4 Priority of Heartbeat Poll Messages ceeceeecceeseeceeceeeeceaeecaeecaeecaaeesaeeeeaeeseneeeneeeereeeaees 2 4 HINGED ET 2 5 negen Eege 2 7 Contiguring Synchronous Lines for SMOS nei ae ai 2 10 Chapter 3 Enabling SMDS Using the MIB Object Du sen 3 1 Enabling SMDS onan IMGMACS TE 3 2 Chapter 4 Editing SMDS Parameters Editing SMDS Intonace Parameters una 4 2 SMDS Interface Parameter Descriptions 4 4 Deleting SMDS fromthe Router u 4 8 Appendix A SMDS Default Settings Index vi 114069 Rev A Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 3 1 Figure 4 1 Figure 4 2 114069 Rev A Figures SMBS Sample NETWORK EE 1 1 SMDS Interface Protocol
19. cket switched network service that enables you to connect local area networks LANs across wide area networks WANs SMDS technology combines cell relay technology and IEEE Standard 802 6 the link control protocol standard that controls cell transmission To send information across the network SMDS divides data into fixed 53 byte cells The use of cell technology makes SMDS well suited for traffic that consumes high bandwidth for short periods of time Figure 1 1 illustrates an SMDS network In this illustration LAN 1 communicates to LAN 2 and 3 through a router connected to an SMDS Digital Service Unit Channel Service Unit DSU CSU The DSU CSU changes the frame based data from the router into cells that can then be sent across the SMDS network LAN 2 LAN 1 SMDS SNI a C IL A Ta geck BE DSU Je P d T3 SMDS CSU Router Switch I DSU Sg T3 LAN 3 Router CSU SMDS DSU E J T3 switch CSU Router eu ai SMSO0001A Figure 1 1 SMDS Sample Network 114069 Rev A Configuring SMDS The p
20. com Library Inc 1991 Goldstein F ISDN in Perspective Addison Wesley Publishing Company Reading Massachusetts 1992 1 8 114069 Rev A Chapter 2 Implementation Notes This chapter provides information about the Bay Networks implementation of SMDS Specifically it contains information about the router s DXI protocol requirements and the Local Management Interface protocol This chapter also supplies details on the use of SMDS group and individual addresses for multinet and multigroup configurations To implement high speed SMDS you need a Bay Networks router and an SMDS DSU CSU that provides DS1 or DS3 based access to the switched SMDS network A synchronous or high speed serial interface HSSD physically connects the router and the DSU CSU Figure 2 1 DSU CSU Router HSSI or Sychronous Interface SMS0006A Figure 2 1 Access to SMDS Network via a Router and DSU CSU The router also supports low speed SMDS through the SNI and DXI specifications standardized by the SMDS Interest Group If you are running low speed SMDS you can extend the DXI to the SMDS network thereby eliminating the need for a special SMDS DSU CSU Any synchronous interface including MCT1 or MCEI link modules physically connects the router and the network Figure 2 2 114069 Rev A 2 1 Configuring SMDS cI Router
21. d software Access SMDS parameters from the Configuration Manager window Figure 4 1 Refer to Configuring Routers or Configuring Customer Access and Trunks BNX Software depending on the type of installed software for instructions on how to access this window 114069 Rev A 4 1 Configuring SMDS local LCAL FILE o p mber L top con i pph Backbone Link Hote BLM 9 00 Descriptio Dual Sims al Ethemet He Single Sync Single Toe HI Eapty Sint Gystes Resource Module Figure 4 1 Configuration Manager Window Editing SMDS Interface Parameters To edit SMDS interface parameters follow these steps 1 Begin at the Configuration Manager window Figure 4 1 2 Select Protocols gt SMDS gt Interfaces The Configuration Manager displays the SMDS Interface List window Figure 4 2 4 2 114069 Rev A Editing SMDS Parameters SET des Poplu Talum is Helpi Individual Address Group Address Arp Address Heartbeat Poll Heartbeat Poll Interwal Figure 4 2 SMDS Interface List Window 3 Select the interface you want to edit from the scroll box in the SMDS Interface List window 4 Edit the parameters referring to the parameter descriptions following this procedure 5 Click on Apply to save your changes when you are finished Repeat Steps 3 through 5 for each SMDS interface you want to edit 6 Click on Done to exit 114069 Rev A 4 3 Configuring SMDS SMD
22. e router and the DSU CSU to exchange management information Set to Enable to use the LMI protocol Accept the default Disable if the DSU CSU in your network does not support the LMI Accept the default if you have an ADC Kentrox dual port DataSMART T1 SMDSU This DSU does not support the LMI protocol Instead rely on heartbeat polling to determine whether the interface between the router and the DSU is active Use the SMDS in band SNMP agent to manage the DSU If you have a single port DataSMART TI SMDSU accept the default or upgrade the DSU software to revision 1 41 which supports LMI 1 3 6 1 4 1 18 3 5 9 3 1 11 114069 Rev A 4 7 Configuring SMDS Parameter Default Options Function Instructions MIB Object ID Enable Incoming Address Screening Disable Enable Disable Enables the router to verify the Individual and Group addresses that it receives in the incoming frames and drop any improperly addressed frames It ensures that the router receives only traffic intended for it If the router rejects an address one of three things may be happening You did not configure the SMDS addresses according to the numbers the service provider assigned The network is forwarding traffic to the router unnecessarily Notify the network provider Ifthe router shares a network entry point with another device the router may be receiving that device s traffic Set to Enable if you want the router
23. es call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET XX 114069 Rev A InfoFACTS Technical Support and Online Services InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The system responds to a fax from the caller or to a third party within minutes of being accessed To use InfoFACTS in the United States or Canada call toll free 1 800 786 3228 Outside North America toll calls can be made to 1 408 764 1002 In Europe toll free numbers are also available for contacting both InfoFACTS and CompuServe Please check our Web page for the listing in your country How to Get Help Use the following numbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 33 92 966 998 81 3 5402 0173 114069 Rev A xxi Chapter 1 SMDS Overview Switched Multimegabit Data Service SMDS is a public high speed pa
24. es also includes equipment staging and integration installation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program features use the following numbers Region Telephone Number Fax Number United States and 1 800 2LANWAN enter Express Routing 508 670 8766 Canada Code ERC 290 when prompted 508 436 8880 direct Europe 33 92 968 300 33 92 968 301 Asia Pacific Region 612 9927 8800 612 9927 8811 Latin America 407 997 1713 407 997 1714 In addition you can receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner xviii 114069 Rev A Technical Support and Online Services Bay Networks Information Services Bay Networks Information Services provide up to date support information as a first line resource for network administration expansion and maintenance This information is available from a variety of sources World Wide Web The Bay Networks Customer Support Web Server offers a diverse library of technical documents software agents and other important technical information to Bay Networks customers and partners A special benefit for contracted customers and resellers is the ability to access the Web Server to perform Case Management This feature enable
25. etworks 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 114069 Rev A Contents Configuring SMDS About This Guide SEENEN E ceases ices EE xi GENEE near xii Banie vu B a q lane peep eee te ee pee EE euere xii EEN tege deer eebe eege xiii EIDEN A E E A E T xiv Ordering Bay Networks PUblealans rauen XV Technical Support and Online Services Bay Networks Customer Service AAA EE ee Pe xviii Bay Networks Information Services ic cec
26. isclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ASN BayeSIS BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus 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 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 materials related to such distribution and use acknowledge th
27. ither explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not subject to restricted use on any Equipment however unless otherwise specified on the Documentation each licensed copy of such Software may only be installed on one hardware item at any time Licensee may use the Software with backup Equipment only if the Equipment with which or for which it was acquired is inoperative Licensee may make a single copy of the Software but not firmware for safekeeping archives or backup purposes Licensee may modify Software but not firmware or combine it with other software subject to the provision that those portions of the resulting software which incorporate Software are subject to the restrictions of this license Licensee shall not make the res
28. l mode configuration file 3 Selected the link or net module connector on which you are enabling SMDS When you enable SMDS you need to configure only a few parameters The Configuration Manager supplies default values for the remaining parameters If you want to edit these default values refer to Chapter 4 for instructions Using the MIB Object ID For each parameter this chapter and Chapter 4 include 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 The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration 114069 Rev A 3 1 Configuring SMDS Enabling SMDS on an Interface To enable SMDS on an interface complete the following steps 1 Select SMDS from the WAN Protocols menu this menu appears after you select a link or net module connector that requires a WAN circuit Site Manager automatically enables protocol prioritization when you select SMDS For detailed information on protocol prioritization refer
29. n agreement that you have with your SMDS provider Provides a MAC layer multicast address for this SMDS interface Enter the complete SMDS E 164 group address for example E16175552876FFFF To configure this parameter for a multigroup or multinet configuration refer to Chapter 2 for instructions For information about IP refer to Configuring IP Services 1 3 6 1 4 1 18 3 5 9 3 1 6 114069 Rev A 3 3 Configuring SMDS Parameter Default Options Function Instructions MIB Object ID ARP Address E1FFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscription agreement that you have with your SMDS provider Provides an address resolution multicast address Enter the complete SMDS E 164 address for example E16175552876FFFF To configure this parameter for a multigroup or multinet configuration refer to Chapter 2 for instructions For information about IP refer to Configuring IP Services 1 3 6 1 4 1 18 3 5 9 3 1 7 3 4 114069 Rev A Chapter 4 Editing SMDS Parameters This chapter provides details on how to edit SMDS parameters for the SMDS interfaces on your router Note You must have already configured at least one SMDS interface on the router to edit SMDS parameters If you have not yet configured an SMDS interface or want to add additional interfaces see Configuring Routers or Configuring Customer Access and Trunks BNX Software depending on the type of installe
30. oint at which the DSU CSU meets the network is the subscriber network interface SNI This is the access point to the SMDS network Within the switching system of the SMDS network T3 communication lines connect the network switches together Because data traffic and network equipment are different for each SMDS customer SMDS defines several access classes Access classes are speeds at which data travels from the customer site to the network switch SMDS currently offers six network access classes 1 2 Mb s 4 Mb s 10 Mb s 16 Mb s 25 Mb s and 34 Mb s The 1 2 Mb s class is for T1 lines Classes 4 Mb s through 34 Mb s are for T3 lines SMDS also offers low speed SMDS classes which operate at fractional T1 E1 speeds 56 Kb s up to 64 Kb s How SMDS Sends LAN Data over WANs LAN data is typically connectionless data This means that it has addressing information in each frame so there is no need for a prior connection between the origination and destination devices WAN data is typically connection oriented data This means that it needs a virtual circuit that is a predefined path across physical lines between the two connection points prior to sending data SMDS provides connectionless data transfer across a wide area network without establishing a logical end to end connection SMDS Interface Protocol The SMDS Interface Protocol SIP defines SMDS addressing formatting framing and error detection requirements The SIP has
31. onfiguration Manager fills in this field based on your original SMDS interface configuration Enter the new SMDS E 164 group address for example E16175552876FFFF To configure this parameter for a multinet or multigroup configuration refer to Chapter 2 for instructions 1 3 6 1 4 1 18 3 5 9 3 1 6 ARP Address E1FFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscription agreement that you have with your SMDS provider Provides an address resolution multicast address The Configuration Manager fills in this field based on your original SMDS interface configuration Enter the new SMDS E 164 address for example E16175552876FFFF To configure this parameter for a multinet or multigroup configuration refer to Chapter 2 for instructions 1 3 6 1 4 1 18 3 5 9 3 1 7 114069 Rev A 4 5 Configuring SMDS Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Heartbeat Poll Enable Enable Disable Enables or disables DXI heartbeat polling DXI Version 3 2 provides a heartbeat polling mechanism which verifies the integrity of the router DSU connection To implement heartbeat polling the router transmits a constant stream of keep alive messages to the DSU The DSU in turn sends an acknowledgment to the router Set to Enable to enable heartbeat polling Set to Disable if the DSU CSU in your net
32. ontains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete information on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windows 95 Windows NT DOS or UNIX computing platforms A Web links feature enables you to go directly from the CD to various Bay Networks Web pages CompuServe For assistance with noncritical network support issues Bay Networks Information Services maintain an active forum on CompuServe a global bulletin board system This forum provides file services technology conferences and a message section to get assistance from other users The message section is monitored by Bay Networks engineers who provide assistance wherever possible Customers and resellers holding Bay Networks service contracts also have access to special libraries for advanced levels of support documentation and software To take advantage of CompuServe s recently enhanced menu options the Bay Networks Forum has been re engineered to allow links to our Web sites and FTP sites We recommend the use of CompuServe Information Manager software to access these Bay Networks Information Services resources To open an account and receive a local dial up number in the United States call CompuServe at 1 800 524 3388 Outside the United Stat
33. oth 114069 Rev A xiii Configuring SMDS Acronyms ARP Address Resolution Protocol ATM Asynchronous Transfer Mode CRC Cyclic Redundancy Check DSU CSU Digital Service Unit Channel Service Unit DS1 Digital Service Level 1 DS3 Digital Service Level 3 DXI data exchange interface HSSI high speed serial interface IEEE Institute of Electrical and Electronic Engineers IP Internet Protocol IPX Internet Packet Exchange LAN local area network LMI Local Management Interface MAC media access control MAN metropolitan area network OSI Open Systems Interconnection OSPF Open Shortest Path First PDU protocol data unit PVCs permanent virtual circuits RIP Routing Information Protocol SIP SMDS Interface Protocol SMDS Switched Multimegabit Data Services SNI subscriber network interface SNMP Simple Network Management Protocol WAN wide area network XNS Xerox Network System xiv 114069 Rev A About This Guide Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from the Bay Networks Press at the following telephone or fax numbers e Telephone U S Canada 1 888 4BAYPRESS e Telephone International 1 510 490 4752 e Fax 1 510 498 2609 You can also use these numbers to request a free catalog of Bay Networks Press product publications 114069 Rev A XV Technical Support and Online Services To ensure comprehensive network support to ou
34. r customers and partners worldwide Bay Networks Customer Service has Technical Response Centers in key locations around the globe e Billerica Massachusetts e Santa Clara California e Sydney Australia e Tokyo Japan e Valbonne France The Technical Response Centers are connected via a redundant Frame Relay Network to a Common Problem Resolution system enabling them to transmit and share information and to provide live around the clock support 365 days a year Bay Networks Information Services complement the Bay Networks Service program portfolio by giving customers and partners access to the most current technical and support information through a choice of access retrieval means These include the World Wide Web CompuServe Support Source CD Customer Support FTP and InfoFACTS document fax service 114069 Rev A xvii Configuring SMDS Bay Networks Customer Service If you purchased your Bay Networks product from a distributor or authorized reseller contact that distributor s or reseller s technical support staff for assistance with installation configuration troubleshooting or integration issues Customers can also purchase direct support from Bay Networks through a variety of service programs As part of our PhonePlus program Bay Networks Service sets the industry standard with 24 hour 7 days a week telephone support available worldwide at no extra cost Our complete range of contract and noncontract servic
35. ranslation Bridge SNMP Agent Bay Networks HDLC PPP OSPF EGP BGP and basic DLSw e The LAN Suite includes DECnet Phase 4 AppleTalk Phase 2 OSI VINES IPX and ATM DXI in addition to the System Suite e The WAN Suite includes ATM DXI Frame Relay LAPB and X 25 in addition to the System Suite e The Corporate Suite includes the System LAN and WAN suites in their entirety e The ARE ATM Suite provides RFC 1483 and 1577 compliance ATM UNI 3 0 signaling in addition to the LAN Suite 114069 Rev A xi Configuring SMDS The ARE VNR Corporate Suite provides ATM Forum LAN Emulation in addition to the ARE ATM Suite and Corporate Suite e The BNX Suite includes IP Routing SNMP Agent Bay Networks HDLC PPP OSPF EGP BGP File Based Performance Statistics Frame Relay switching and Frame Relay billing and selected components from the Corporate ARE ATM and ARE VNR Corporate suites Availability of features and functionality described in this guide depends on the suites you are using Audience Written for system and network managers this guide provides instructions on how to configure the Bay Networks implementation of SMDS interfaces to suit your environment We assume that you have experience with LANs and WANs SMDS and general network management tasks Before You Begin Before using this guide you must complete the following procedures e Create and save a configuration file that has at least one
36. ration a IP Address 128 1 1 2 Addr Mask 255 255 255 0 IP Address 150 50 1 2 Addr Mask 255 255 255 0 This side shows one Group Address with one Individual Address and many IP Addresses SMS0007A 2 6 114069 Rev A Implementation Notes To configure multinet follow these steps 1 In your SMDS configuration parameters enter addresses in the Group Address ARP Address and Individual Address parameters described in Chapter 3 of this book 2 In your IP interface configuration enter the same addresses that you entered in the SMDS parameters in the previous step The equivalent IP parameters are SMDS Group Address SMDS ARP Req Address and MAC address Refer to Configuring IP Services for information about these IP parameters 3 Add anew IP interface with a unique IP address which includes a network subnet and host address 4 Enter the same Group Address ARP Address and Individual Address that you entered in Step 2 for this new IP interface Note You may also configure many individual addresses for an SMDS group address but ensure that each individual address within a group is unique Multigroup Multigroup is a feature of the Internet Protocol IP that enables you to configure multiple SMDS group addresses on the same SNI which is the access interface to the SMDS network The router implements multigroup according to RFC 1209 For information about IP refer to Configuring IP Services
37. s A 1 deleting from the router 4 8 enabling 3 1 to 3 4 implementation notes 2 1 to 2 10 information sources 1 7 LMI 2 3 overview of 1 1 to 1 7 router requirements for 2 3 sending data over WANs 1 2 supported protocols 2 4 SMDS Interface Protocol SIP definition 1 2 Index 2 114069 Rev A speeds for SMDS 1 2 subscriber network interface SNTI definition 1 2 2 1 Support Source CD xx Switched Multi megabit Data Service See SMDS synchronous line configuration 2 10 W World Wide Web Bay Networks home page on xix Index 114069 Rev A Index 3
38. s your support staff to interact directly with the network experts in our worldwide Technical Response Centers A registered contact with a valid Site ID can e View a listing of support cases and determine the current status of any open case Case history data includes severity designation and telephone e mail or other logs associated with the case e Customize the listing of cases according to a variety of criteria including date severity status and case ID e Log notes to existing open cases e Create new cases for rapid efficient handling of noncritical network situations e Communicate directly via e mail with the specific technical resources assigned to your case The Bay Networks URL is http www baynetworks com Customer Service is a menu item on that home page Customer Service FTP Accessible via URL ftp support baynetworks com 134 177 3 26 this site combines and organizes support files and documentation from across the Bay Networks product suite including switching products from our Centillion and Xylogics business units Central management and sponsorship of this FTP site lets you quickly locate information on any of your Bay Networks products 114069 Rev A xix Configuring SMDS Support Source CD This CD ROM sent quarterly to all contracted customers is a complete Bay Networks Service troubleshooting knowledge database with an intelligent text search engine The Support Source CD c
39. the SMDS provider assigns to an SNI Specifically an individual address is a media access control layer MAC address in an E 164 format An E 164 address is a 64 bit address which for SMDS is similar to a phone number For example the phone number 617 555 3923 becomes individual address C161 75 55 39 23 FF FF The C indicates that the address is an individual address and the 1 is a standard prefix There can be up to 16 individual addresses for one SNI SMDS Group Addresses An SMDS group address is one address that instructs an SMDS switch to broadcast information such as routing information packets RIP and address resolution packets ARP from the router to multiple destination nodes SMDS individual addresses within the SMDS group identify these nodes Like an SMDS individual address the group address is a media access control layer MAC address in an E 164 format An E 164 address is a 64 bit address which for SMDS is similar to a phone number For example the phone number 508 555 1144 becomes individual address El 50 85 55 11 44 FF FF The E indicates that the address is a group address and the 1 is a standard prefix For More Information about SMDS The following documents provide technical details on SMDS and DXI protocol design and implementation Baker F and Kolb C Definitions of Managed Objects for the DS1 Interface Type RFC 1232 Network Information Center NIC SRI International Menlo Park California May 1
40. three levels that are similar to but do not match the protocol layers that make up the OSI protocol model e Level 3 specifies the addressing formatting and encapsulation of packet data referred to as Level 3 PDUs e Level 2 specifies the segmentation of Level 3 Protocol Data Units PDUs into short fixed length SMDS cells referred to as Level 2 PDUs e Level 1 specifies the physical connectivity that enables transmission Figure 1 2 illustrates the SIP protocol stack 1 2 114069 Rev A SMDS Overview Level 3 Encapsulates Data into PDUs Level 2 Segments Data into 53 byte PDUs Level 1 Prepares Level 2 PDUs for the Physical Medium SMS0002A Figure 1 2 SMDS Interface Protocol Stack SIP specifies that the SMDS source and destination addresses reside in the Level 3 PDU header Figure 1 3 Each header contains a MAC level address in an E 164 address format E 164 formats are 64 bits long and provide both individual and multicast addresses Network switches use the address information in the header to route the PDU to its destination Header Trailer La PEE EL EL ELL weej SMS0003A Figure 1 3 SMDS Level 3 PDU One or more SMDS devices for example DSUs and routers can perform the tasks of the three SIP levels as described in the next section 114069 Rev A Configuring SMDS Data Exchange Interface Protocol For SMDS high speed access classes that is speeds from 1 2 Mb s to 34
41. to Configuring Traffic Filters and Protocol Prioritization 2 Click on OK to enable default SMDS The Configuration Manager displays the SMDS Configuration window Figure 3 1 3 Configure the SMDS parameters Individual Address Group Address and ARP Address using the descriptions that follow as a guide 4 When you have configured all the parameters you can do one of the following Enable default SMDS To do this click on OK Edit the default values To do this click on Details Refer to Chapter 4 for instructions Cance LE Details i Help Its puten Geo Address ELFFFEFFFFFFFFER fp Adress EiFFFFFFFFTFFFFFF Figure 3 1 SMDS Configuration Window 3 2 114069 Rev A Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Enabling SMDS Individual Address C1FFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscription agreement that you have with your SMDS provider Provides a MAC layer address Enter the complete SMDS E 164 address for example C15085558734FFFF To configure this parameter for a multigroup or multinet configuration refer to Chapter 2 for instructions For information about IP refer to Configuring IP Services 1 3 6 1 4 1 18 3 5 9 3 1 5 Group Address EIFFFFFFFFFFFFFF A complete SMDS E 164 address specified by the SMDS subscriptio
42. ulting 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 114069 Rev A iil 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 dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify Bay N
43. work does not support heartbeat polling 1 3 6 1 4 1 18 3 5 9 3 1 8 Heartbeat Poll Interval 10 seconds 6 to 1023 seconds Specifies the time interval between each heartbeat poll message that the router transmits If you disable heartbeat polling this parameter is nonfunctional Enter the number of seconds between the transmission of heartbeat poll messages Be sure to set the Heartbeat Poll Interval parameter to a value greater than 5 seconds the length of the heartbeat poll acknowledgment timer We recommend that you accept the default value 1 3 6 1 4 1 18 3 5 9 3 1 9 4 6 114069 Rev A Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing SMDS Parameters Heartbeat Poll Down Count 3 messages 1 to 1023 messages Specifies the number of heartbeat poll messages that the router will send without acknowledgment from the DSU before it declares the router DSU connection down If you disable heartbeat polling this parameter is nonfunctional Set to the number of unacknowledged heartbeat poll messages that the router will tolerate before taking the router DSU connection down We recommend that you accept the default 1 3 6 1 4 1 18 3 5 9 3 1 10 LMI Network Mgmt Disable Enable Disable Enables or disables LMI network management LMI works with DXI Version 3 2 LMI is an SNMP like protocol that enables th
44. xxi through World Wide Web xix Group Address parameter 3 3 4 5 114069 Rev A Index 1 Configuring SMDS H Heartbeat Poll Down Count parameter 4 7 Heartbeat Poll Interval parameter 4 6 heartbeat poll messages 2 4 Heartbeat Poll parameter 4 6 heartbeat polling for connections 2 3 high speed serial interface HSSI connections 2 1 high speed SMDS description 1 2 implementing 2 1 IEEE Standard 802 6 used by SMDS 1 1 implementation notes 2 1 to 2 10 Individual Address parameter 3 3 4 4 InfoFACTS service xxi information sources on SMDS 1 7 L line configuration See synchronous line configuration LMI Network Mgmt parameter 4 7 Local Management Interface LMI enabling 4 7 purpose of 2 3 low speed SMDS description of 1 2 implementing 2 1 M MIB object ID 3 1 multigroup description 2 7 sample configuration 2 8 setting parameters for 2 10 multinet description 2 5 sample configuration 2 5 setting parameters for 2 7 P parameters ARP Address 3 4 4 5 editing 4 1 to 4 7 Enable 4 4 Enable Incoming Address Screening 4 8 Group Address 3 3 4 5 Heartbeat Poll 4 6 Heartbeat Poll Down Count 4 7 Heartbeat Poll Interval 4 6 Individual Address 3 3 4 4 LMI Network Mgmt 4 7 protocol data unit PDU assembly 1 4 definition 1 2 protocols supported by SMDS 2 4 R router requirements for SMDS 2 3 S SMDS access classes description 1 2 addresses 1 7 default
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