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Avaya Configuring APPN Services User's Manual

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1. Session L Connector Flow Control Adaptive Pacing Segmenting Reassembly Connection Oriented Logical Link Connection Oriented Logical Link Transport Connection Transport Connection LU LU Session Application Data Figure 1 7 APPN ISR Routing Functions in SNA Architecture Packet Segmentation and Reassembly To maximize network performance ISR sends the largest packet size allowable on each network interface that you configure for APPN Intermediate nodes when necessary segment and reassemble packets of different packet sizes The Max RU Size for ISR Sessions parameter sets the maximum packet size for your APPN configuration Adaptive Pacing ISR s Adaptive Pacing controls data flow and congestion by managing the number of messages the network node receives during a session To prevent memory consumption APPN uses pacing windows to control the maximum number of incoming messages During network activity this pacing window changes dynamically allowing the receiving node to adjust the rate at which data flows into its buffers Configuring APPN Services To specify the maximum size of the adaptive pacing window configure the ISR Receive Pacing Window parameter High Performance Routing APPN s high performance routing HPR increases data routing performance and reliability HPR allows high speed forwarding in intermediate nodes at the Data Link Control layer Layer 2 of SNA operati
2. Parameter Default Options Function Instructions MIB Object ID The APPN Adjacent Link Station List window Figure 3 8 reappears Adjacent Link Station Name None Any name with up to 8 uppercase alphabetic characters Specifies a unique name for the link station control point in the adjacent node This name differentiates this link station from other defined link stations Specify the link station name with up to 8 uppercase characters Do not specify numbers in the name 1 3 6 1 4 1 18 3 5 14 1 4 1 3 Adjacent Node Name The Configuration Manager uses the local NETID for the NETID portion of this parameter You can change the name if the adjacent node had a different NETID Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the control point name with up to 8 characters Identifies the user specified name of the network and the adjacent node name Type up to 8 characters for the network ID name follow with a period then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE CPONE is a valid entry for this parameter 1 3 6 1 4 1 18 3 5 14 1 4 1 6 3 43 Configuring APPN Services Parameter Default Optio
3. 034 CD Initiate 035 Reconstruct CD Initiate Reply 036 COS TPF continued A 1 Configuring APPN Services Table A 1 APPN Base Function Sets continued Function Set Number Description 037 BIND ILU PLU 038 Limited Resource 039 BIND without RSCV from Any LEN or APPN Node 040 Propagate Unrecognized CVs 041 Session RU Segmenting and Reassembly 042 Interleaved Segments 050 Register EN Resources 051 Locate Find Found 052 Reconstruct GDS Variables for Locate Reply and CD Initiate Reply 053 Participate in Network Searches 054 Send Wildcard Reply 055 Broadcast and Directed Searches 056 ENCP Search Control 057 Partial Directory Entries 059 Accept Unqualified LU Name 060 Locate Chains Locate keep 061 Sending Locate to a Gateway 062 Cache Resource Locations 063 Favor Explicit Replies 064 Network Qualified LU Name 065 Central Directory Client 066 Abbreviated Resource Hierarchy 068 Authentic Net ID Indicators 069 DS Support for Domain LEN Resources 070 Process Local Resource Change 073 Initial Topology Exchange 074 Flow Reduction Sequence Numbers 075 Resource Sequence Numbers 076 Topology Broadcast 077 Garbage Collection 078 Topology Isolation at Net ID Boundaries 079 Build RSCV 080 Calculate Route Using Connection Networks 081 Class of Service Manager 082 Route Randomization continued A 2 APPN Base and Optional Function Sets Table A 1 APPN Base Function
4. Port Name None Up to 8 alphanumeric uppercase characters Specifies the name of the port supporting the adjacent link station Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded 1 3 6 1 4 1 18 3 5 14 1 4 1 4 3 34 Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Adjacent Node Name None Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the control point name with up to 8 characters Identifies the name of the network and the adjacent node name Type to 8 characters for the network ID name follow with a period then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE CPONE is a valid entry for the Adjacent Node Name parameter 1 3 6 1 4 1 18 3 5 14 1 4 1 6 3 35 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Adjacent Node Type LEARN LEARN NN EN BACK LEVEL LEN NODE HOST XID 3 HOST XID 0 DSPU XID DSPU NO XID Specifies the type of adjacent link station node Click on Values and select an adjacent node type as indicated under Options L
5. publications Phone FAX U S Canada FAX International Acronyms ANR APPN COS cP DLC DLCI DLSw DLUR DLUS DS DSPU EN EP FDDI FQPCID GDS HPR IP ISR LAN LEN LLC 1 800 845 9523 1 800 582 8000 1 916 939 1010 Automatic Network Routing Advanced Peer to Peer Networking class of service control point data link control data link connection identifier data link switching dependent logical unit requester dependent logical unit server directory services down stream physical unit end node entry point Fiber Distributed Data Interface fully qualified procedure correlation identifier general data stream High Performance Routing Internet Protocol intermediate session routing local area network low entry networking logical link control xvii Configuring APPN Services LU MAC MDS MIB NCP NN NNS PCID PU RSCV RTP SAP SATF SDLC SNA SNMP SSCP SRB TG TPF VRN VTAM XID logical unit media access control multiple domain support Management Information Base Network Control Program network node network node server procedure correlation identifier physical unit route selection control vector Rapid Transport Protocol service access point shared access transport facility Synchronous Data Link Control Systems Network Architecture Simple Network Management Protocol system services control point source routing bridge transmission group transmission priority field virtual
6. 3 71 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parent Type ENCP End Node Control Point NNCP Network Node Control Point ENCP End Node Control Point Specifies the parent node type owning this resource either an APPN EN or NN Click on Values and specify NNCP or ENCP 1 3 6 1 4 1 18 3 5 14 4 3 1 6 3 Click on OK You return to the APPN Directory Entry List window Figure 3 17 4 Click on Done to exit the window Deleting APPN Directory Entires To delete a directory entry from APPN Directory Entry List window refer to Figure 3 17 select the entry then click on Delete The system software deletes the entry from the APPN configuration 3 72 Appendix A APPN Base and Optional Function Sets This appendix gives the base and optional APPN function sets that Bay Networks supports on routers configured as APPN network nodes Table A 1 APPN Base Function Sets Function Set Number Description 001 LEN level XID3 002 All XID3 States 003 Link Station Role Negotiation 006 CP Name on XID3 007 TG Number Negotiation 008 Multiple TGs 010 Single Link TG 011 LFSID Addressing 013 Priority Queuing for Transmission 020 Extended BIND and UNBIND 021 Adaptive Pacing for Independent LU BINDs 023 BIND Segmenting and Reassembly 024 Adaptive Pacing for Dependent LU BINDs 030 CP CP Sessions 031 CP Capabilities Exchange 033 FQPCID Generation
7. Delete Advanced Apply Values Help Enable Disable iE Port Name Adjacent Node Name NETID NAME Adjacent Node Type Enable DLUR Support for this LS Primary DLUS Name NETID NAME Figure 3 8 APPN Adjacent Link Station List Window 2 Edit those parameters you want to change If the window appears without any adjacent link stations in the list go to the section Adding Adjacent Link Stations 3 33 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Click on Apply to save your changes Click on Done to exit the window To edit the advanced adjacent link station parameters click on Advanced and go to the section Editing Advanced Adjacent Link Station Parameters Enable Disable Enable Enable Disable Enables or disables the adjacent link station highlighted in the APPN Adjacent Link Station List window Enable Initializes the selected adjacent link station You can also use the Enable setting to initialize an existing adjacent link station port that you disabled earlier Disable Forces the adjacent link station into the down inoperative state Click on Values and select Enable or Disable Select Disable to disable the adjacent link station Select Enable to enable or re enable the adjacent link station 1 3 6 1 4 1 18 3 5 14 1 4 1 2
8. Figu 5 3 23 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Max Receive BTU Size 2057 256 to 4105 Specifies the maximum Basic Transmission Unit BTU size that this network node can receive Each link station determines its own maximum BTU size based on local node definitions and exchange identification XID information received from the interface and the adjacent link station Enter a number in the range 256 to 4105 that the node can handle 1 3 6 1 4 1 18 3 5 14 1 3 1 9 Max Send BTU Size 2057 256 to 4105 Specifies the maximum Basic Transmission Unit BTU size that can be sent over this port Each link station determines its own maximum send BTU size based on local node definitions and exchange identification XID information received from the interface and the adjacent link station Enter a number in the range 256 to 4105 1 3 6 1 4 1 18 3 5 14 1 3 1 24 Max I Frame Window 7 numeric value not exceeding 127 Specifies the maximum number of information frames I frames that the local network node can receive before it sends an acknowledgment Enter a number in the range 1 to 127 1 3 6 1 4 1 18 3 5 14 1 3 1 10 3 24 Parameter Default Range Function Instructions MIB Object
9. Range Function Instructions MIB Object ID Implicit User Defined 1 128 0 to 255 Specifies the first user defined TG characteristic using this link station Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 20 Implicit User Defined 2 128 0 to 255 Specifies the second user defined TG characteristic using this link station Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 21 Implicit User Defined 3 128 0 to 255 Specifies the third user defined TG characteristic using this link station Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 22 3 54 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing APPN Parameters HPR Link Level Error Recovery Disable Enable Disable Enables or disables HPR link level error recovery on this link station This parameter is available when the following parameters are set to Enable e HPR Support e HPR Support for this LS Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 4 1 33 Link Deactivation Time 120 5 to 255 Specifies the time in seconds before APPN deactivates this link station if it is an HPR limited resource This parameter is available when the following parameters are set to Enable e HPR Support e HPR Support for this LS e Limited Resource Specify a value in the r
10. The APPN Interface List window refer to Figure 3 4 allows you to enable or disable APPN ports add and delete APPN ports on existing interfaces and edit advanced port parameters From the APPN Interface List window 1 Select Ports The APPN Port List window appears Figure 3 5 Highlight the port you want to modify The parameter values associated with that interface appear in the parameters window and change dynamically with each port that you select Click on Apply to save your changes pp APP Port List PORTO001 PORT0002 l Add PORT0003 Delete Advanced Apply Values Help Port Enable Disable ENABLE Port Address hex 0x04 Local Link Station Role NEGOTIABLE Figure 3 5 APPN Port List Window 4 Click on Done to exit the window 3 17 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Port Enable Disable Enable Enable Disable Enables or disables APPN routing on this port Enable Initializes the selected APPN port You can also use the Enable setting to initialize an existing APPN port that you disabled earlier Disable Forces the APPN port into the down inoperative state Select Disable to disable APPN routing over this port Select Enable to enable or re enable APPN routing over this port 1 3 6 1 4 1 18 3 5 14 1 3 1 2 Port
11. 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 AFN 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 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 that su
12. 1 1 42 ISR Session RSCV Storage Enable Enable Disable Enables or disables the storage of route selection control vectors RSCVs during ISR sessions This parameter is useful for debugging When enabled it consumes additional memory for each ISR session The intermediate network node uses RSCV information to obtain the next node and a transmission group TG to the node along a route The maximum number of APPN nodes and TGs a session can traverse is limited to the size of the RSCV Select Enable to enable ISR session RSCV storage Select Disable to disable ISR session RSCV storage 1 3 6 1 4 1 18 3 5 14 1 1 43 3 12 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters DLUR Support Enable Disable Disable Enable Disable Enables or disables Dependent Logical Unit Requester DLUR support at the network node DLUR is an APPN component that allows dependent logical units LU type 0 1 2 3 and dependent LU6 2 within APPN Click on Values and select Enable to start DLUR at the network node or select Disable to stop DLUR at the network node 1 3 6 1 4 1 18 3 5 14 1 1 45 DLUR DLUS RSCV Storage Enable Enable Disable Enables or disables the storage of route selection control vectors RSCVs during DLUR DLUS se
13. Address None None Specifies the interface address for this port This is the MAC address SDLC address or DLCI and SAP address that you specified when you added the original circuit to the interface A MAC address starts with the Ox prefix and ends with the SAP value 1 3 6 1 4 1 18 3 5 14 1 3 1 38 3 18 Editing APPN Parameters Parameter Local Link Station Role Default Negotiable Options Negotiable Primary Secondary Function Specifies the initial role of the local network node when activating adjacent link stations through this port Negotiable means that the local network node can be either primary or secondary and the actual role is determined during link activation A link between the two nodes may require that one link station takes the role of primary link station and one link station takes the role of secondary link station Instructions Click on Values to display the options and select Negotiable Primary or Secondary MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 3 1 8 Deleting APPN Ports To delete a port from an interface on the APPN Port List window refer to Figure 3 5 select the port then click on Delete The system software deletes the entry from the APPN configuration Adding Ports to an APPN Interface To add a port to an APPN interface display the APPN Port List window Figure 3 5 and proceed as follows 1 Click on Add The APPN Port Configuration or the APPN FR Port Configuration window app
14. Cable Type and RTS Enable parameters as follows Parameter Clock Source Default Internal Options External Internal Function Specifies the origin of the synchronous timing signals If you set this parameter to Internal this router supplies the required timing signals If you set this parameter to External an external network device supplies the required timing signals Instructions Set this parameter to either Internal or External as appropriate for your network MIB Object ID 1 3 6 1 4 1 18 3 4 5 1 13 2 13 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Internal Clock Speed 64 KB 1200 B 2400 B 4800 B 7200 B 9600 B 19200 B 32000 B 38400 B 56 KB 64 KB 125 KB 230 KB 420 KB 625 KB 833 KB 1 25 MB 2 5 MB 5 MB Sets the clock speed of an internally supplied clock when Clock Source is set to Internal Click on Values and set the clock speed for the internal clock to the desired data transmission rate across the synchronous line The Internal Clock Speed parameter is unavailable when Clock Source is set to External 1 3 6 1 4 1 18 3 4 5 1 14 Sync Line Coding NRZ NRZ NRZI NRZI Mark Specifies the line coding of the physical synchronous line You can change the value of this parameter to match the line coding of a device at the other end of
15. Name Default None Options Up to 8 alphanumeric uppercase characters Function Specifies the name of the new port for the connection network Instructions Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 7 1 4 4 Click on OK to save your changes Deleting APPN Connection Network Ports To delete a port from a connection network on the APPN Connection Network Port List window refer to Figure 3 14 select the port to highlight it then click on Delete The system software deletes the entry from the APPN configuration Editing APPN Advanced Connection Network Parameters To edit APPN Advanced Connection Network parameters display the APPN Connection Network List window Figure 3 12 and then 1 Select the connection network that you want to edit Click on Advanced The APPN Connection Network Advanced Parameters window appears Figure 3 16 The connection network name that you selected appears in the title bar 3 61 Configuring APPN Services BAYNET ONE Advanced Parameters Values Help Effective Capacity Hom Connection Cost 128 Byte Cost 128 Security NON SECURE Delay NEGLIGIBLE User Defined 1 128 User Defined 2 128 User Defined 3 128 Figure 3 16 APPN Connection Network Advanced Parameters Window 2 Click on each parameter value that you want to change then enter a new value 3 Click on OK to save you
16. Session RSCV Storage Enable DLUR Support Enable Disable Disable DLUR DLUS RSCV Storage Enable HPR Support Enable HPR Path Switch Controller Disable Support Table B 2 APPN Interface and Port Parameters Parameter Default Interface Enable Disable Enable Port Enable Disable Enable Port Address None Local Link Station Role Negotiable Port Name None Port Number None Port DLCI Address None Port MAC Address None continued B 2 APPN Default Settings Table B 2 APPN Interface and Port Parameters continued Parameter Default Port SAP hex None Max Receive BTU Size 2057 Max Send BTU Size 2057 Max Frame Window 7 Total Link Activation Limits 256 Inbound Link Activation 128 Limits Outbound Link Activation Limits 128 Implicit CP Sessions Yes Implicit Limited Resource Yes Implicit Effective Capacity 16M Implicit Connection Cost 128 Implicit Byte Cost 128 Implicit Security Nonsecure Implicit Delay Negligible Implicit User Defined 1 128 Implicit User Defined 2 128 Implicit User Defined 3 128 HPR Implicit LS Support Enable HPR Link Level Error Recovery Disable Implicit Link Deactivation Time 120 HPR UI SAP C8 Configuring APPN Services Table B 3 APPN Adjacent Link Station Parameters Parameter Default Enable Disable Enable Port Name None Adjacent Node Name None Adjacent Node Type L
17. and also recovers traffic that was lost at the time of failure Advanced Peer to Peer Networking Overview End to End Error Recovery End to end error recovery enables APPN NN endpoints to recovery lost traffic HPR endpoint NNs always perform end to end recovery However Site Manager allows you to specify base APPN link level error recovery where error recovery is done on every link consuming more network resources Note High speed links generally have low error rates Therefore link level recovery may not be necessary in the higher speed HPR configurations When link level recovery is turned off and an error is detected the packet is discarded resulting in a gap in the stream of bytes over the RTP connection When the RTP connection endpoint NN detects the gap in the incoming byte stream it informs the sender to begin retransmitting from the first byte after this point in the stream RTP supports selective retransmission of parts of the byte stream when the RTP endpoint requests a range of bytes for retransmission End to End Flow and Congestion Control Operating at the NN sending and receiving endpoints of an RTP connection HPR uses a preventative mechanism called adaptive rate based ARB congestion control ARB monitors predicts and regulates the flow of traffic into the network as conditions change When the network approaches congestion increased delay decreased throughput ARB reduces the input traffic rate so that a
18. form in every APPN end node and low entry networking node In APPN network nodes TRS collects and exchanges information on other network nodes and the links between them For LU LU sessions TRS provides the best route between any two LUs In APPN end nodes and low entry networking nodes TRS collects information on links and adjacent nodes In APPN network nodes TRS creates and maintains the class of service COS database and a copy of the network topology database The network topology database contains information on APPN network node connections to other network nodes and connection networks A connection network is a method of defining an APPN node attachment to a shared access transport facility reducing intermediate node routing and definition requirements 1 20 Advanced Peer to Peer Networking Overview In APPN end nodes TRS creates and maintains the COS database and maintains the local topology database also maintained by TRS at the network node The local topology database contains information on connections involving the local end nodes end node to end node end node to network node and end node to virtual routing node For LU LU sessions TRS computes the optimal route through an APPN network between the two nodes on which the LUs reside A route in an APPN network is an ordered sequence of nodes and transmission groups TGs that represents a path from an origin to a destination called a Route Selection Control Vec
19. interfaces on Bay Networks network nodes For information on adding and enabling APPN interfaces on Bay Networks network nodes refer to Chapter 2 A port provides a unique access point such as a MAC SAP address pair used by the local Bay Networks network node A port in an APPN network has a DLC process and a set of configurable parameters Link Stations A link station is a logical connection between adjacent nodes Link stations use ports to create this connection Multiple link stations can exist on a single port and multiple link stations can exist between the same two nodes You can configure a link station entry or APPN creates it dynamically when a remote node initiates a connection Note The term link often refers to the physical components that enable two adjacent link stations to communicate Within APPN a link refers to a logical connection between two nodes The term transmission group TG is also used throughout this manual and has the same meaning as link Link stations have a set of configurable parameters such as e Link station name and the name of the adjacent node e Adjacent link station role primary secondary or negotiable e Adjacent link station definitions such as MAC and SAP addresses Configuring APPN Services Connection Networks APPN end nodes on a shared access transport facility SATF such as a Token Ring network are directly connected to each other they can communicate with each other w
20. maximum cost Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 6 1 7 Security Nonsecure Nonsecure Public Switched Underground Conduit Encrypted Guarded radiation Maximum Specifies the security level of the connection network TG over configured connection network ports Click on Values and select a definition from the Options list 1 3 6 1 4 1 18 3 5 14 1 6 1 8 3 64 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing APPN Parameters Delay Negligible Negligible Terrestrial Packet Long Maximum Represents the propagation delay or the relative amount of time that a signal takes to travel the length of a connection network TG over configured connection network ports Click on Values and select a definition from the Options list 1 3 6 1 4 1 18 3 5 14 1 6 1 9 Implicit User Defined 1 128 0 to 255 Specifies the first user defined TG characteristic for this connection network Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 6 1 10 Implicit User Defined 2 128 0 to 255 Specifies the second user defined TG characteristic for this connection network Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 6 1 11 3 65 Configuring APPN Services Parameter Implicit U
21. recipient endpoint NN can adequately handle the traffic With multiple RTP connections over a single link the ARB function regulates the flow of traffic in all connections This provides fairness to all connections With multiple SNA sessions over a single RTP connection HPR s adaptive session level pacing maintains fairness among the sessions This prevents one session from unfairly consuming network resources compared to other sessions on the RTP connection Configuring APPN Services Automatic Network Routing Automatic network routing ANR minimizes storage and processing requirements for routing packets through intermediate nodes ANR functions include e Fast packet switching e Session transparency e Source routing Fast Packet Switching ANR operates at the Data Link Control layer of the SNA architecture Operating at a lower layer than APPN ISR improves packet switching performance in the intermediate nodes Functions typically performed at the intermediate node such as link level recovery segmentation flow and congestion control are performed at the RTP connection endpoints Session Transparency Intermediate nodes are not aware of the SNA sessions or the RTP connections established across the nodes This eliminates the need for storing routing tables and consuming resources memory and buffers at the intermediate nodes Source Routing ANR uses a source routing algorithm ANR carries the routing informatio
22. routing node Virtual Tecommunications Access Method exchange identification xviii Chapter 1 Advanced Peer to Peer Networking Overview IBM Advanced Peer to Peer Networking APPN architecture concepts include APPN node types Control points and logical units Dependent logical unit requester and server APPN interfaces ports and link stations Connection networks Intermediate session routing High performance routing APPN services Review these concepts if you are responsible for configuring APPN on Bay Networks routers in your network or if already familiar with APPN concepts go directly to Chapter 2 for information on starting APPN started on a router Configuring APPN Services APPN Networking Overview APPN is an architectural extension of IBM Systems Network Architecture SNA As participants in an SNA network APPN nodes use distributed network services for dynamic routing connection topology and directory information simplifying network definition and maintenance Bay Networks routers participate as APPN network nodes in IBM SNA network environments with or without the presence of an IBM mainframe computer and communicate with adjacent network nodes end nodes and low entry networking nodes APPN runs on all Bay Networks router platforms using local and wide area network facilities as follows e LLC media including Ethernet Token Ring and Frame Relay e LLC2 using Source Routing Bridge SRB e
23. the line This parameter is relevant only for the AN and the ASN routers Other Bay Networks router platforms require NRZ encoding NRZ Indicates Non Return to Zero encoding NRZI Indicates Non Return to Zero Inverted encoding NRZI Mark Indicates Non Return to Zero Inverted Mark encoding Select the appropriate value for synchronous line coding 1 3 6 1 4 1 18 3 4 5 1 88 2 14 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Enabling APPN Services Cable Type Null Null RS232 RS422 V35 X21 Specifies the cable interface to the network Select the cable interface that you are using to connect to the network 1 3 6 1 4 1 18 3 4 5 1 83 RTS Enable Disabled Enabled Disabled Controls the toggling of the Request to Send RTS signal on the interface For manual dial modems 2 wire you should set this parameter to Enabled For leased modems 4 wire the setting should be Disabled Click on Values and select Enabled or Disabled 1 3 6 1 4 1 18 3 4 5 1 16 3 Click on OK The Select Protocols window appears Figure 2 10 Select Protocols Figure 2 10 Select Protocols Window 4 Select APPN and click on OK 2 15 Configuring APPN Services If this is the first interface for which you are configuring APPN the APPN Local Node Name Configuration window appears Figure 2 11
24. to direct data Enter a decimal number within the valid range 1 3 6 1 4 1 18 3 5 14 1 4 1 27 Enable DLUR Support for this LS Disable Enable I Disable Specifies whether the adjacent link station is a PU2 0 node to be serviced by DLUR DLUR is an APPN component that allows dependent logical units LU type 0 1 2 3 and dependent LU6 2 within APPN Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 4 1 28 3 45 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Primary DLUS Name None Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the control point name with up to 8 characters Specifies the fully qualified name of the DLUS node that will serve the PU2 0 link station Type up to 8 characters for the network ID name follow with a period and then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE DLUS is a valid entry for this parameter 1 3 6 1 4 1 18 3 5 14 1 4 1 30 DSPU Name None Up to 8 alphanumeric uppercase characters Specifies the name of the downstream physi
25. 16 Related publications 1 22 Resource Name parameter 3 70 Resource Type parameter 3 68 3 71 Route Addition Resistance parameter 3 7 RTS Enable parameter 2 15 S SAP hex parameter 2 6 3 44 SDLC Address hex parameter 2 18 3 22 3 44 SDLC enabling APPN over 2 12 to 2 18 Security parameter 3 53 3 64 Session services 1 19 SMDS 1 2 Source routing bridge enabling APPN over LLC2 using 2 7 to 2 12 Source Routing Ring Number parameter 2 11 SR Bridge ID global parameter 2 9 SR Bridge ID parameter 2 9 SR Bridge Internal LAN ID parameter 2 9 Source Routing Bridge SRB 1 2 Source Routing Ring Number parameter 2 11 SR Bridge ID parameter 2 9 SR Bridge Internal LAN ID parameter 2 9 Sync Line Coding parameter 2 14 Synchronous line parameters RTS Enable 2 15 Synchronous parameters Cable Type 2 15 Clock Source 2 13 Internal Clock Speed 2 14 Sync Line Coding 2 14 T Target Pacing Count parameter 3 40 Technician Interface 2 1 3 1 TG Number parameter 3 49 Token Ring 1 2 Topology and route services 1 20 to 1 21 Total Link Activation Limits parameter 3 25 TRS Route Tree Cache Size parameter 3 9 TRS Route Tree Cache Usage Limit parameter 3 9 U Use Default TG Characteristics parameter 3 51 V Virtual Ring Number parameter 2 12 W wildcards using with directory entries 3 66 World Wide Web Bay Networks Home Page on XV Index 6
26. 2 2 to 2 7 LLC2 SRB enabling APPN over 2 7 to 2 12 Local ID Block parameter 3 5 Local ID Number parameter 3 5 Local Link Station Role parameter 3 19 3 22 Local Node Name parameter 2 4 2 17 3 4 Logical units LUs in APPN networks 1 5 low entry networking nodes 1 3 MAC Address parameter 2 6 3 44 Management services 1 21 Max Cached Directory Entries parameter 3 8 Max Directory Entries parameter 3 8 Max I Frame Window parameter 3 24 Max NNs in Topology DB parameter 3 10 Max Number of ISR Sessions parameter 3 10 Max Receive BTU Size parameter 3 24 Max RU Size for ISR Sessions parameter 3 12 Max Send BTU Size parameter 3 24 3 39 Max TGs in Topology DB parameter 3 10 N Network Locate Timeout parameter 3 9 network nodes 1 3 O Outbound Link Activation Limits parameter 3 26 P packet segmentation and reassembly with ISR 1 13 Parent Name parameter 3 68 3 71 Parent Type parameter 3 69 3 72 Index 5 Point to Point PPP protocol 1 2 Port Address parameter 3 18 Port DLCI Address parameter 3 21 Port Enable Disable parameter 3 18 Port MAC Address parameter 3 21 Port Name parameter 3 20 3 34 3 41 Port Number parameter 3 21 Port SAP hex parameter 3 22 Ports 1 9 Primary DLUS Name parameter 3 37 3 46 R Rapid Transport Protocol RTP 1 16 to 1 17 end to end error recovery 1 17 end to end flow and congestion control 1 17 non disruptive path switching 1
27. 22 sample network 1 4 SDLC media 1 2 services 1 19 source routing bridge encapsulation on 1 2 APPN adjacent link stations adding 3 41 to 3 44 Adjacent Link Station Name parameter 3 43 Adjacent Node Block Number parameter 3 38 3 47 Adjacent Node ID Number parameter 3 38 3 47 Adjacent Node Name parameter 3 35 3 43 Adjacent Node Type parameter 3 36 Automatic Activation parameter 3 50 Backup DLUS Name parameter 3 50 Byte Cost parameter 3 52 Connection Cost parameter 3 52 CP CP Session Support parameter 3 49 Delay parameter 3 53 deleting 3 40 DLCI Address parameter 3 45 DSPU Name parameter 3 37 3 46 editing 3 33 to 3 55 editing advanced parameters 3 47 to 3 54 Effective Capacity parameter 3 51 Enable DLUR Support for this LS parameter 3 37 3 45 Enable Disable parameter 3 34 HPR Link Level Error Recovery parameter 3 55 Implicit User Defined 1 parameter 3 54 Index 1 Implicit User Defined 2 parameter 3 54 Implicit User Defined 3 parameter 3 54 Limited Resource TG parameter 3 49 Link Address hex parameter 3 39 Link Deactivation Time parameter 3 55 MAC Address parameter 3 44 Max Send BTU Size parameter 3 39 Port Name parameter 3 34 3 41 Primary DLUS Name parameter 3 37 3 46 SAP hex parameter 3 44 SDLC Address parameter 3 22 3 44 Security parameter 3 53 Target Pacing Count parameter 3 40 TG Number parameter 3 49 Use Default TG Characteri
28. 5 14 1 4 1 31 3 50 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Use Default TG Characteristics Yes Yes I No Specifies whether APPN uses default or configured TG characteristics on the port connecting the adjacent link station The configurable TG characteristics are Effective Capacity Connection Cost Byte Cost Security Delay User 1 User 2 and User 3 Click on Values and specify Yes or No 1 3 6 1 4 1 18 3 5 14 1 4 1 26 Effective Capacity 16M 1200 2400 4800 7200 9600 14400 19200 48000 56000 64000 4M 10M 16M Maximum The effective capacity is the highest bit transmission rate allowed on the TG to adjacent link stations on this port The effective capacity is derived from the link bandwidth Click on Values and select a number that reflects the link bandwidth 1 3 6 1 4 1 18 3 5 14 1 4 1 15 3 51 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Connection Cost 128 0 to 255 Specifies the relative cost per connect time of using a TG to the adjacent link station on this port value of 0 indicates no cost and a value of 255 indicates maximum cost The cost per connect time is typically based on the applicable tariffs for t
29. 7 1107 1200 1301 Not yet assigned Adjacent Link Station Name Parallel TGs Multiple Local LUs Session Manager for Local Independent LU 6 2 and Intranode Routing LU Name CP Name Delete EN Resources Before Registering Dependent LU Requester Central Resource Registration of LUs Tree Caching and TG Caching Nonpaced Intermediate Session Traffic High Performance Routing Appendix B APPN Default Settings This appendix gives the default settings for APPN parameters Use the Configuration Manager to edit any of the default settings given here Table B 1 APPN Global and Advanced Global Parameters Parameter Default APPN Enable Disable Enable Local Node Name None Local ID Block None Local ID Number None Route Addition Resistance 128 Endpoint Session RSCV Enable Storage Max Directory Entries 0 Max Cached Directory Entries 100 Network Local Timeout in s 60 TRS Route Tree Cache Size 8 TRS Route Tree Cache Size 8 Usage Limit Max NNs in Topology DB 0 0 Unlimited continued B 1 Configuring APPN Services Table B 1 APPN Global and Advanced Global Parameters continued Parameter Default Max TGs in Topology DB 0 0 Unlimited Max Number of ISR Sessions 1000 ISR Congestion Threshold 900 ISR Decongestion Threshold 800 Max RU Size for ISR Sessions 4096 ISR Receive Pacing Window 7 ISR
30. Apply Values Help Enable Disable Resource Type Parent Name NETID NAME Parent Type Figure 3 17 APPN Directory Entry List Window 2 Edit the Enable Disable Resource Type Parent Name and Parent Type parameters if the current window contains one or more directory services LU names Parameter Enable Disable Default Enable Options Enable Disable Function Enables or disables APPN directory services on the selected LU name Instructions Select Disable only to disable APPN directory services on this LU Select Enable to enable or re enable APPN directory services on this LU MIB Object ID 1 3 6 1 4 1 18 3 5 14 4 3 1 2 3 67 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Resource Type LU logical unit LU logical unit ENCP end node control point NNCP network node control point Wildcard Specifies the type of resource for this directory services entry When you set this parameter to LU the local directory services database contains pointers to the CP name of the node owning the LU and the CP name of the network node server Click on Values and select LU ENCP NNCP or Wildcard Specify Wildcard to instruct APPN that the entry uses the asterisk wildcard Refer to the beginning of this section for information on using the wildcard with direc
31. BM APPN Architecture and Product Implementation Tutorial GG24 3669 IBM AS 400 Advanced Peer to Peer Networking GG24 3287 IBM Systems Network Architecture Technical Overview GC30 3073 IBM Systems Network Architecture Concepts and Products GC30 3072 IBM System Network Architecture Introduction to Sessions between Logical Units GC20 1869 1 22 Chapter 2 Enabling APPN Services This chapter describes how to enable APPN services e On Logical Link Control 2 LLC2 media including Ethernet Token Ring and Frame Relay e On LLC2 media using Source Routing Bridge SRB encapsulation formats over Ethernet FDDI SMDS Frame Relay and Point to Point PPP On Synchronous Data Link Control SDLC links in point to point and multipoint networks This chapter assumes that you have read Configuring Routers and that you have 1 Opened a configuration file 2 Specified router hardware if this a local mode configuration file 3 Selected the connector on which you are enabling APPN Using the Parameter Descriptions Each APPN parameter description 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
32. Configuration Window 7 Specify the SDLC address for the interface as follows 2 17 Configuring APPN Services Parameter SDLC Address hex Default None Options Any unique 2 digit hexadecimal SDLC level address Function Specifies a unique SDLC address for this circuit Instructions Enter a 2 digit hexadecimal address MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 3 1 38 8 Click on OK The Adjacent Link Station dialogue box appears Figure 2 13 BO tetter id Would you like to configure Adjacent Link Stations on this port OK for YES Cancel for NO Pa EN UU Figure 2 13 Adjacent Link Station Dialogue Box To configure APPN adjacent link station parameters now go to the section in Chapter 3 entitled Editing APPN Adjacent Link Stations 9 Click on Cancel Go to the beginning of Chapter 3 for information about configuring APPN 2 18 Chapter 3 Editing APPN Parameters Once you successfully enable an APPN interface on the router you can edit parameters and customize APPN services This chapter describes how to use the Configuration Manager to edit the following parameters e Global and advanced e Interface and port e Adjacent link station e Connection network e Directory services The instructions assume you have already added one or more interfaces to a router configuration file that you now want to edit for APPN Refer to Configuring Routers to learn how to add interfaces to the configura
33. Configuring APPN Services Router Software Version 10 0 Site Manager Software Version 4 0 Part No 112908 Rev A January 1996 a Bay Networks ES 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 rights of the United States Government regarding its use reproduction
34. EARN APPN automatically learns the type of adjacent link station NN Network Node EN End Node BACK LEVEL LEN NODE Back level low entry networking node HOST XID 3 Host node that supports XID3 protocols includes the network name control vector HOST XID 0 Host node that supports XIDO protocols DSPU XID Down stream physical unit DSPU node that supports XID3 protocols but does not include the network name control vector DSPU NO XID Down stream physical unit DSPU node that does not support XID protocols This selection is valid on nonswitched ports and is invalid on negotiable ports 1 3 6 1 4 1 18 3 5 14 1 4 1 23 3 36 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Enable DLUR Support for this LS Disable Enable Disable Specifies whether the adjacent link station is a PU2 0 node to be serviced by DLUR Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 4 1 28 Primary DLUS Name None Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the control point name with up to 8 characters Specifies the fully qualified name of the DLUS node that wi
35. ID Parameter Default Range Function Instructions MIB Object ID Editing APPN Parameters Total Link Activation Limits 256 0 to 256 see Table 3 1 Specifies the link activation limit for this port The value is the maximum number of inbound and outbound link stations that the port will allow in this configuration The maximum value depends on the setting of the Local Link Station Role parameter and the type of port as listed in Table 3 1 Specify a value in the range 0 to 256 The value must be greater than or equal to the combined settings for the Inbound Link Activation Limits and Outbound Link Activation Limits parameters 1 3 6 1 4 1 18 3 5 14 1 3 1 17 Inbound Link Activation Limits 128 0 to 256 see Table 3 1 Specifies the inbound link activation limit for this port The value is the maximum number of inbound link stations that the port will allow in this configuration Specify a value in the range 0 to 256 This value plus the current setting for the Outbound Link Activation Limits parameter must be less than or equal to the current Total Link Activation Limits parameter setting 1 3 6 1 4 1 18 3 5 14 1 3 1 18 3 25 Configuring APPN Services Parameter Default Range Function Instructions Outbound Link Activation Limits 128 0 to 256 see Table 3 1 Specifies the maximum outbound link activation limit for this port The value is the maximum number of outbound link stations that the
36. N Services Parameter Default Range Function Instructions MIB Object ID 7 Virtual Ring Number hex None 1 to 4095 Specifies the unique SRB ring number to be used by APPN It must be unique in the SRB network This means that the Virtual Ring Number must be different not only from the ring IDs specified in the SRB configuration but different also from other Bay Networks routers running APPN on LLC2 SRB media Specify the unique LLC ring number in the range 1 to 4095 1 3 6 1 4 1 18 3 5 1 6 2 25 Click on OK If this is the first interface for which you are configuring APPN the APPN Local Node Name Configuration window appears Figure 2 2 If this is not the first interface for which you are configuring APPN the APPN Configuration window for your specific network appears Refer to these figures and the steps that follow them to complete the APPN configuration Enabling APPN Interfaces over SDLC To configure APPN on synchronous interfaces COM1 COM2 etc using the SDLC protocol 1 Select SDLC from the WAN protocols window The Configuration Manager displays the SDLC Line Parameters window Figure 2 9 2 12 Enabling APPN Services Cancel OK Values Help Clock Source INTERNAL Internal Clock Speed 19200 Sync Line Coding NRZ Cable Type RS232 RTS Enable JEISABLE Figure 2 9 SDLC Line Parameters Window 2 Edit the Clock Source Internal Clock Speed Sync Line Coding
37. Otherwise the APPN SDLC Address Configuration window appears Figure 2 12 APPN Local Node Name Configuration Cancel Local Node Name NETID NAME Figure 2 11 APPN Local Node Name Configuration Window 5 Specify the Local Node Name parameter If this is not the first APPN interface on this router omit this step and go to Step 7 2 16 Enabling APPN Services Parameter Local Node Name Default None Options Any valid name with up to 17 characters in the format lt NETID CPNAME gt NETID is the global network name with up to 8 characters followed by a period and CPNAME is the control point name with up to 8 characters Function The Local Node Name parameter identifies the unique name of the network and the Bay Networks router node name Instructions Enter the node name by first specifying up to 8 characters in the network ID name type a period and then enter a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA S YSTEMA is a valid entry for the Local Node Name parameter MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 1 4 6 Click on OK to add the local node name The APPN SDLC Address Configuration window appears Figure 2 12 APPN SDLC Address Configuration Cancel OK Values Help Figure 2 12 APPN SDLC Address
38. PPN Adjacent Link Station Port Configuration Window 2 Specify the Port Name parameter as follows Parameter Port Name Default None Options Up to 8 alphanumeric uppercase characters Function Specifies the name of the port supporting the adjacent link station Instructions Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 4 1 4 3 Click on OK The screen displays the APPN Adjacent Link Station Configuration window specific to your network Figure 3 10 3 41 Configuring APPN Services APPN SDLC Adjacent Link Station Configuration Cancel Adjacent Link Station Name Adjacent Node Name NETID NAME USWFLTO1 SDLC Address hex Enable DLUR Support for this LS DISABLE Primary DLUS Name NETID NAME DSPU Name Adjacent Node ID Number Adjacent Node Block Number Figure 3 10 APPN Adjacent Link Station Configuration Window 1 Edit the following parameters using the parameter descriptions for e Adjacent Link Station Name e Adjacent Node Name e Address parameters for the specific network MAC SAP DLCI SLDC Enable DLUR Support for this LS e Primary DLUS Name e DSPU Name e Adjacent Node ID Number e Adjacent Node Block Number 3 42 Editing APPN Parameters 2 Click on OK to save your entries to the configuration file Parameter Default Options Function Instructions MIB Object ID
39. Sets continued Function Set Number Description 083 Member of Connection Network 084 Select One Hop Routes 085 Select Network Routes 090 Common Node Operator Command Set This is a product specific function set 091 Network Node Operator Command Set This is a product specific function set 100 Extend Unextend BIND and UNBIND 101 Fixed Session Level Pacing 102 Adaptive Session Level Pacing 103 Intermediate Session Segmenting Reassembly 104 Routing BIND and UNBIND 105 Intermediate Session Routing for Dependent LU Sessions 106 Intermediate Session Routing for Independent LU Sessions Management Services Multiple Domain Support MDS Function Set 150 SNA MS MDS Common Base 152 SNA MS MDS Network Node Support 153 SNA MS MDS High Performance Option 154 SNA MS MDS Transport Confirmation Option Management Services Entry Point Alert Function Set 170 SNA MS EP Alert Base Subset 171 SNA MS Problem Diagnosis Data in Alert Optional 177 SNA MS LAN Alert Optional 178 SNA MS SDLC LAN LLC Alert Optional 1001 Secondary Initiated Non Activation XID 1004 Adjacent Node Name Change 1013 Interoperability with Peripheral Border Node 1103 Retry Referred Search 1104 Topology Based Directory Non Verify 1105 PCID Modifier 1109 Surrogate Owner Configuring APPN Services Table A 2 APPN Optional Function Sets Function Set Number Description 1002 1007 1011 1012 1018 106
40. TT LINK SIONS Jansesaessass eea E E 3 41 Editing Advanced Adjacent Link Station Parameters rrsrrrrrrrrrrnnrrrrrrrnnnrrrrrrrnnnnne 3 47 Editing APPN Connection Networks ETA E A PE 3 55 Adamo APPN Connection NOME serisine enaa 3 57 Deleting APPN Connection Networks nrnvennnennvernvvvnnevnnennnnvnnevnnnnnnnnnnannnnennnennne 3 58 Editing APPN Connection Network PONS sassmuvuuuajsammmenknnutekdnjeuvijh 3 59 Adding APPN Connection Network Ports mmrernvvrnvevrrenrsvnnrevnrvnvevnenevnveensvevneevnsvers 3 60 Deleting APPN Connection Network Ports rrrrnnssnannnnnnrsannnrnnrrrsnnrnnrrrrrnnvnrrrrrnnnnne 3 61 Editing APPN Advanced Connection Network Parameters rrrrrrrrrrrrrvnnnrrrrrrvnnnnne 3 61 Editing APPN Directory Entry Parameters m munsmnssermesinetememnmereenivivirniasese 3 66 Adding APPN LU Names to Directory Services nreursevrvvvnravnrvvnernenennvesnsvenneeenseere 3 69 Deleting APPN Directory Emireg 2aosesssesmmeeene mmrmnknindn ndee 3 72 Appendix A APPN Base and Optional Function Sets Appendix B APPN Default Settings Index vii Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 1 10 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 F
41. Window 05 3 62 APPN Directory Entry Lisi WINKOW uuessusmammnmnansnematguri 3 67 Directory Entry Configuration Window serisinin 3 69 Tables Table 3 1 Link Activation Limit Default Values rrrrrrrrnnnnronrrrrrerrernnrnnnrnnnnrnnrvnnnen 3 26 Table A 1 APPN Base Function Sets cccccceeeeeee ata tu EA E E A 1 Table A2 APPN Optional Function Seile saiisine A 4 Table B 1 APPN Global and Advanced Global Parameters cccccccsseseeseeeeees B 1 Table B 2 APPN Interface and Port Parameters cccceccsceesseeteeeesseseeeeseeeaaeens B 2 Table B 3 APPN Adjacent Link Station Parameters rrsrvrnnrrsarvvrnrrrrnvrrnnrrrssrrnnrrrnn B 4 Table B 4 APPN Connection Networks and Port Parameters ccsssceeeeeeees aa B 5 Table B 5 APPN Directory Services Parameters mmmmrnnnvvrnnrrnsrvrrnrrrrsrrrnnrrrnrrvnneennn B 6 xi About This Guide This guide describes how to customize Bay Networks router software for Advanced Peer to Peer Networking APPN services Refer to this guide for e An overview of APPN as implemented on Bay Networks routers and Site Manager software see Chapter 1 e Instructions on enabling APPN services using Site Manager see Chapter 2 e Instructions on configuring APPN parameters using Configuration Manager software see Chapter 3 e APPN base and optional function sets Bay Networks supports see Appendix A e A list of APPN parameters and their d
42. address for this circuit Enter a 2 digit hexadecimal address 1 3 6 1 4 1 18 3 5 14 1 3 1 38 Local Link Station Role Negotiable Negotiable Primary Secondary Specifies the initial role of the local network node when activating adjacent link stations through this port Negotiable means that the local network node can be either primary or secondary and the actual role is determined during link activation A link between the two nodes may require one link station to take the role of primary link station and the other link station to take the role of secondary link station Click on Values to display the options and select Negotiable Primary or Secondary 1 3 6 1 4 1 18 3 5 14 1 3 1 8 3 22 Editing APPN Parameters Editing APPN Advanced Port Parameters To edit the APPN advanced port parameters display the APPN Port List window igure 3 5 and 1 Click on Advanced The APPN Port window appears APPN PORT Cancel OK Values Help Max Receive BTU Size Z057 Max Send BTU Size 2057 Max I Frame Window 7 Total Link Activation Limits Inbound Link Activation Limits Outbound Link Activation Limits Implicit CP Sessions Implicit Limited Resource Implicit Effective Capacity Implicit Connection Cost Figure 3 7 APPN Port Window 2 Click on each parameter value that you want to change then enter a new value 3 Click on OK to save your changes and return to the APPN Port List window
43. alues Help Enable ENABLE SR Bridge Internal LAN ID 0x0 SR Bridge ID 0x0 SR Bridge Group LAN ID Oxfff IP Encapsulation DISABLE Conn IP NTWK Ring number IP MTU Size bytes 4562 NetBIOS Server Name Cache DISABLE NetBIOS Client Name Cache DISABLE NetBIOS Datagram RIF Cache DISABLE Figure 2 6 Source Routing Global Parameters Window 2 Edit the SR Bridge Internal LAN ID and the SR Bridge ID parameters in the Source Routing Global Parameters window These are mandatory parameters that you must specify before you can proceed 2 8 Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Enabling APPN Services SR Bridge Internal LAN ID 0x1 0x1 to OxOfff Specifies this bridge s internal LAN ID Assign an internal LAN ID that is unique among all other internal LAN IDs and ring IDs in the network 1 3 6 1 4 1 18 3 5 1 1 2 1 4 SR Bridge ID Ox1 0x1 to Ox0f Specifies this bridge s ID and identifies the Bay Networks source routing bridges in the network Assign the same value to all Bay Networks source routing bridges in the network unless two bridges operate in parallel The SR bridge ID must be unique among any other third party bridge IDs in the network 1 3 6 1 4 1 18 3 5 1 1 2 1 5 For details about configuring the source routing parameters on this window refer to Configuring Bridging Se
44. ange 5 to 255 inclusive 1 3 6 1 4 1 18 3 5 14 1 4 1 34 Editing APPN Connection Networks An APPN connection network lets you route session traffic directly between two link stations without intermediate node intervention Connection networks require link definitions at a network node for any directly connected nodes To edit Connection Networks parameters from the Configuration Manager window refer to Figure 3 1 3 55 Configuring APPN Services 1 Select Protocols gt APPN gt Connection Networks The APPN Connection Network List window appears Figure 3 12 APPN Connection Network List mr ril eden Add Delete Ports Advanced Apply Values Help Enable Disable he Figure 3 12 APPN Connection Network List Window Parameter Enable Disable Default Enable Options Enable Disable Function Enables or disables APPN routing on the selected connection network Enable Initializes routing on the selected APPN connection network You can also use the Enable setting to initialize an existing connection network that you disabled earlier Disable Brings down routing on the APPN connection network Instructions Select Disable only to disable APPN routing over this connection network Select Enable to enable or re enable APPN routing over this connection network MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 6 1 2 3 56 Editing APPN Parameters Adding APPN Connection Networks To add a
45. arameter to No can reduce traffic across the TG Click on Values and select Yes or No 1 3 6 1 4 1 18 3 5 14 1 4 1 12 3 49 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Automatic Activation Disable Enable Disable Specifies whether APPN automatically activates the link to the adjacent link station when a session is established If the CP CP Session Support parameter is set to Yes then this parameter is not modifiable Otherwise specify Enable to automatically activate the link when there is a session to the adjacent link station 1 3 6 1 4 1 18 3 5 14 1 4 1 24 Backup DLUS Name None Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the control point name with up to 8 characters Specifies the fully qualified name of the DLUS node that serves as a backup to the PU2 0 link station Type up to 8 characters for the network ID name follow with a period and then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE DLUR is a valid entry for the Backup DLUS Name parameter 1 3 6 1 4 1 18 3
46. ars Figure 3 18 Directory Entry Configuration Cancel OK Resource Name NETID NAME Resource Type Parent Name NETID NAME BAYNET Parent Type Figure 3 18 Directory Entry Configuration Window 3 69 Configuring APPN Services 2 Edit the Resource Name and Parent Name parameters Parameter Default Options Function Instructions MIB Object ID Resource Name None None Specifies the fully qualified name NETID NAME of the resource to be added to the local directory By default the NETID portion of the name is the previously configured Local Node Name parameter as specified on the Edit APPN Global Parameters window Figure 3 2 Enter the fully qualified APPN resource node or LU name in the format NETID NAME Type up to 8 characters for the network ID name follow with a period then a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA SYSTEMA is a valid entry for the Parent Name parameter Use the asterisk wildcard to indicate a wildcard entry Refer to beginning of this section for information on using the wildcard with directory entries 1 3 6 1 4 1 18 3 5 14 4 3 1 3 3 70 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function I
47. at the LU LU session traffic uses through the network Since the BIND flows independently of the CP SVR pipe the LU LU traffic can take a different path through the network the DLUS calculates a route using the topology database and class of service COS definitions Refer to the APPN Services section in this chapter for information on the topology database and COS definitions Configuring APPN Services Interfaces Ports and Link Stations APPN configurations comprise interfaces ports and link stations Figure 1 4 shows how interfaces ports and link stations in a simple APPN network relate Note In this manual the term interface has the same meaning as data link control DLC in IBM publications X RD ye APPN NNA Interface APPN ENA E51 LLC2 DLC00001 PORTO0001 AA 5 ill 73 o APPN ENB APPN LENC Figure 1 4 Interface Port and Link Station Relationship 1 8 Interfaces Ports Advanced Peer to Peer Networking Overview Interfaces provide data link control DLC processes to ensure reliable delivery of information between adjacent stations using a specific data link protocol such as LLC or SDLC Each APPN interface can support one or more ports A system assigned DLC number such as DLC00008 identifies APPN
48. cal unit DSPU supported by DLUR Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded 1 3 6 1 4 1 18 3 5 14 1 4 1 29 3 46 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Adjacent Node ID Number None Optional if specified a valid string of 5 hexadecimal digits 0 to 9 A B C D E F Identifies the local APPN adjacent node and is present in APPN alerts and exchange identifications XIDs These 5 digits are combined with the 3 digit block number to form a unique XID node identification for the adjacent node The APPN network node and the adjacent node exchange node identifications when establishing a connection Enter 5 hexadecimal digits 1 3 6 1 4 1 18 3 5 14 1 4 1 11 Adjacent Node Block Number None None A unique hexadecimal value that identifies APPN in this adjacent node The number is the first 3 digits of the node ID Accept the derived value that displays in this field 1 3 6 1 4 1 18 3 5 14 1 4 1 10 Editing Advanced Adjacent Link Station Parameters To edit APPN Advanced Adjacent Link Station parameters display the APPN Adjacent Link Station List window refer to Figure 3 8 and then 1 Click on Advanced The APPN Adjacent Link Station Advanced Configuration window appears Figure 3 11 3 47 Configur
49. ch 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 grant any Software license whatsoever either explicitly or impli
50. citly 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 resulting software available
51. connection network to an APPN configuration display the APPN Connection Network List window Figure 3 12 and proceed as follows 1 Click on Add The Connection Network Configuration window appears Figure 3 13 2 Enter the Connection Network Name and the Connection Network Port Name parameters 3 Click on OK to save your entries to the configuration file The APPN Connection Network List window Figure 3 12 reappears Connection Network Configuration Cancel OK Values Help Connection Network Name NETID NAME EAYNET Connection Network Port Name Figure 3 13 Connection Network Configuration Window 3 57 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Connection Network Name None Any valid name with up to 17 characters in the format lt NETID NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is any name with up to 8 characters The Connection Network Name parameter identifies the arbitrary user specified name of the connection network By default the NETID portion of the network name is the previously configured Local Node Name parameter as specified in the Edit APPN Global Parameters window Figure 3 2 Following the default NETID name and the period enter a name with up to 8 characters You must use upperca
52. dtesabessneinue xiv ea EEE EE RV Le xiv MFT NE XV Wadd Woe WOD saani edeandan Ge XV How to Get Help 2 uviss FR ET EEE uted team E E E tients XV COMET enia a aa xvi Ordering Bay Networks PFUDIESNONS Laine namodtnse nedi iaaii Aana xvii ee REE EE TR xvii Chapter 1 Advanced Peer to Peer Networking Overview APPN Networking Overview ER EE TT TR 1 2 RPPN INGO IDES sccis aa Ai 1 2 PUB EG NOGO RE NE EE teks esis idueeves tosis 1 3 CAG OG EEE A 1 3 Lowe nry Mekong NOdes ssectetatiu aaa irae aa Cadena 1 3 Conor Pointe and Logical UNMS siccccusos ion canyons iendee baade 1 5 Dependent Logical Unit Requester and Server c ccccccceeeseeeeeeeeeeeeeeeeeeeeeeaaeeneeeee 1 6 Interfaces Ports ard LINK Sale WLumauasueaiuaaandamsidarrinsrinvueiv 1 8 PONES REE AE TR EE RE RE EE EE 1 9 FOG sjaa 1 9 MG EEE EE PA ER br 1 9 Connection Networks icles da teu ta dda eu E E nse E ET ME 1 10 intermediate Session ROUINO sassasaammssmugdnmsennendniatavniei 1 12 Packet Segmentation and Reassembly sisuissisiisusissivunreiniaumuniidaddnaninis diini andin 1 13 2 RE 1 13 Higi PETTEE POUT scarred ANNANN 1 14 Rama Tepon POCO RE Aten e ery NenreUEnT 1 16 Non Disruptive Pathi SUNN 2aGeemsesaneeaanGseenaNdaede 1 16 EnditEnd Eror Recovery KaasreaudseSG ea N 1 17 End to End Flow and Congestion Control saeni ET schicmcaraatneumdes 1 17 Automate STOO FI RONING sassen aaa 1 18 MLE CEM ROE dusaes Uatedaudeateapienedndaskesieana
53. e 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 CompuServe 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 CompuServe at 1 800 524 3388 and ask for Representative No 591 Inthe United Kingdom call Freephone 0800 289378 xiv About This Guide In Germany call 0130 37 32 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 Repre
54. earn Enable DLUR Support for this LS Disable Primary DLUS Name None DSPU Name None Adjacent Node Block Number None Adjacent Node ID Number None Link Address hex None Max Send BTU Size 2057 Target Pacing Count 4 HPR Support for this LS Disable Adjacent Link Station Name None Adjacent Node Name Local NETID for NETID portion of name MAC Address hex None SAP hex None SDLC Address hex None DLCI Address None Limited Resource TG No TG Number 1 or current unused minimum CP CP Session Support Yes Automatic Activation Disable continued APPN Default Settings Table B 3 APPN Adjacent Link Station Parameters continued Parameter Default Backup DLUS Name None Use Default TG Characteristics No Effective Capacity 16M Connection Cost 128 Byte Cost 128 Security Nonsecure Delay Neglibible Implicit User Defined 1 128 Implicit User Defined 2 128 Implicit User Defined 3 128 HPR Link Level Error Recovery Disable Link Deactivation Time 120 Table B 4 APPN Connection Networks and Port Parameters Parameter Default Enable Disable Enable Connection Network Name None Connection Network Port Name None Effective Capacity 16M Connection Cost 128 Byte Cost 128 Security Non secure Delay Negligible continued B 5 Configuring APPN Services Table B 4 APPN Connection Networks and Port Paramet
55. ears Figure 3 6 3 19 Configuring APPN Services APPN FR Port Configuration Port Name Port Number Cancel OK Values Help Port DLCI Address Port SAP Chex Local Link Station Role NEGOTIABLE Figure 3 6 APPN FR Port Configuration Window 2 Parameter Default Options Function Instructions MIB Object ID Enter values for the Port Name Port Number Port MAC Address or Port DLCI Address Port SAP and Local Link Station Role parameters If you are configuring SDLC the SDLC Address parameter appears instead of the Port MAC Address parameter If you are configuring Frame Relay on an LLC2 interface the Port DLCI Address parameter appears Click on OK to save your entries to the configuration file The APPN Port List window refer to Figure 3 5 reappears Port Name None Up to 8 alphanumeric uppercase characters Specifies the name of the newly added port Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded 13614 1 16 3 5 14 13 1 15 3 20 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Port Number None Any unique 3 digit number Specifies a unique number to identify this port if more than one port is c
56. ecify any positive numeric value larger than or equal to 8 Specifies the size of the topology and routing services TRS tree database The tree database allows a network node to cache optimal routes from the local APPN node to other network nodes tree caching Enter a positive numeric value larger than or equal to 8 to indicate the maximum number of routing trees to be stored in the database 1 3 6 1 4 1 18 3 5 14 1 1 34 TRS Route Tree Cache Usage Limit 8 Any positive numeric value larger than or equal to 1 Specifies the maximum number of times a route tree will be used before route selection services RSS calculates a new route tree for that class of service COS Enter any positive numeric value larger than or equal to 1 1 3 6 1 4 1 18 3 5 14 1 1 35 3 9 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Max NNs in Topology DB 0 unlimited 0 Any positive number specify 0 to indicate an unlimited number of network nodes Specifies the maximum number of network nodes routers in the network topology database Specify 0 to include all network nodes 1 3 6 1 4 1 18 3 5 14 1 1 36 Max TGs in Topology DB 0 unlimited 0 Any valid positive number specify 0 to indicate an unlimited number of t
57. ect the port you want to modify Change the setting of the following Enable Disable parameter if necessary 3 59 Configuring APPN Services Parameter Enable Disable Default Enable Options Enable Disable Function Enables or disables APPN routing on this connection network port Enable Initializes the selected APPN connection network port You can also use the Enable setting to initialize an existing port that you disabled earlier Disable Forces the APPN connection network port into the down inoperative state Instructions Select Disable to disable APPN routing over this connection network port Select Enable to re enable APPN routing over this connection network port MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 7 1 2 Adding APPN Connection Network Ports To add a port to an APPN connection network display the APPN Connection Network Port List window refer to Figure 3 14 and then 1 Click on Add The Connection Network Port Configuration window appears Figure 3 15 Connection Network Port Configuration Cancel OK Values Help Comection Networe Port None EE Figure 3 15 Connection Network Port Configuration Window 3 60 Editing APPN Parameters 2 Edit the Connection Network Port Name parameter 3 Click on OK to save the port name to the configuration file The APPN Connection Network Port List window Figure 3 14 reappears Parameter Connection Network Port
58. efault settings in the Configuration Manager see Appendix B Audience Written for system and network managers this guide describes how to configure the Bay Networks implementation of APPN to suit your environment Before You Begin Before using this guide you must complete the following procedures e Open a configuration file e Specify the router hardware if this is a local mode configuration file e Select the link or net module connector on which you are enabling APPN Refer to Configuring Routers for instructions xiii Configuring APPN Services 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 priority 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 Outsid
59. er resources and to request directory searches from the NNS End node APPN C AT 5 iC ES Network node e APPN B 4 t CP CP LU LU CP CP LU LU sessions sessions Figure 1 2 CP CP and LU LU Sessions In Figure 1 2 APPN C registers its local resources with APPN B and sends requests to APPN B for information about the network and its resources APPN B functions as an NNS for APPN C APPN B has CP CP sessions with both APPN A and APPN C In this example APPN A and APPN B exchange network topology and cooperate in directory searches Configuring APPN Services Dependent Logical Unit Requester and Server APPN s Dependent Logical Unit Requester DLUR supports LU type 0 1 2 3 and LU6 2 dependent logical units within APPN In contrast to the base APPN architecture which uses independent LUs for LU to LU sessions dependent LUs need a mainframe based system services control point SSCP to establish and manage LU to LU sessions DLUR allows these dependent LUs to use APPN networks by encapsulating the SSCP control flows within the APPN LU 6 2 sessions The APPN network routes the dependent LU LU data flows DLUR works with the dependent LU server DLUS component of the virtual telecommunications access method VTAM
60. eric value less than the ISR Congestion Threshold parameter setting Specifies the number of active ISR sessions that the local network node must drop to before it is no longer congested A network node is congested when the number of ISR sessions reaches the ISR congestion threshold Enter any positive numeric value that is less than the current ISR Congestion Threshold parameter setting In most cases a value equal to 80 of the Max Number of ISR Sessions parameter is a reasonable value 1 3 6 1 4 1 18 3 5 14 1 1 40 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Max RU Size for ISR Sessions 4096 256 to 4096 inclusive Specifies the maximum request unit RU size for the segmentation and reassembly of session and nonsession traffic during the ISR sessions Enter a positive number in the range 256 to 4096 1 3 6 1 4 1 18 3 5 14 1 1 41 ISR Receive Pacing Window 7 1 to 63 inclusive Specifies the maximum number of messages that the network node can receive in one window during an ISR session Pacing windows control the number of messages to prevent memory consumption Enter a positive number in the range 1 to 63 Entering higher values may improve performance but will consume more memory 1 3 6 1 4 1 18 3 5 14
61. eriod and CPNAME is the control point name with up to 8 characters The Local Node Name parameter identifies the unique name of the network and the Bay Networks router node name Specify up to 8 characters for the network ID name follow with a period then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA SYSTEMA is a valid entry for the Local Node Name parameter 1 3 6 1 4 1 18 3 5 14 1 1 4 3 4 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID APPN Giobal A Editing APPN Parameters Local ID Block None A valid string of 3 hexadecimal digits A unique hexadecimal value identifies the APPN product in this NN The number is the first 3 digits of the node identification Accept the displayed value or enter 3 hexadecimal digits in this field 1 3 6 1 4 1 18 3 5 14 1 1 6 Local ID Number None A valid string of 5 hexadecimal digits 0 to 9 A B C D E F Identifies the local APPN network node and is present in APPN alerts and exchange identifications XIDs These 5 digits are combined with the 3 digit local ID block to form a unique XID node identification The APPN network node and the adjacent node exchange node identifications when e
62. ers continued Parameter Default Implicit User Defined 1 128 Implicit User Defined 2 128 Implicit User Defined 3 128 Table B 5 APPN Directory Services Parameters Parameter Default Enable Disable Enable Resource Type LU Parent Name None Parent Type ENCP Resource Name NETID portion of local node name A adaptive pacing with ISR 1 13 Adaptive Rate Based ARB congestion control 1 17 Adding Adjacent link stations 3 41 to 3 46 APPN connection network ports 3 60 to 3 61 APPN connection networks 3 57 to 3 58 APPN LU names to directory services 3 69 to 3 72 APPN ports 3 19 to 3 22 Adjacent Link Station Name parameter 3 43 Adjacent Node Block Number parameter 3 38 3 47 Adjacent Node ID Number parameter 3 38 3 47 Adjacent Node Name parameter 3 35 3 43 Adjacent Node Type parameter 3 36 Advanced Peer to Peer Networking See APPN APPN accessing parameters 3 2 connection networks described 1 10 control points 1 5 defaults B 1 B 4 enabling on LLC2 using SRB 2 7 to 2 12 enabling over LLC2 2 2 to 2 7 enabling over SDLC 2 12 to 2 18 end nodes described 1 3 interfaces described 1 9 link stations described 1 9 LLC2 media support 1 2 logical units LUs 1 5 low entry networking nodes described 1 3 network nodes described 1 3 Index node types 1 2 overview of 1 2 ports described 1 9 related publications 1
63. ess parameter 3 18 Port DLCI Address parameter 3 21 Port Enable Disable parameter 3 18 Port MAC Address parameter 3 21 Port Name parameter 3 20 Port Number parameter 3 21 Port SAP hex parameter 3 22 Total Link Activation Limits parameter 3 25 Automatic Activation parameter 3 50 Automatic Network Routing ANR 1 18 to 1 19 fast packet switching 1 18 session transparency 1 18 source routing 1 18 Backup DLUS Name parameter 3 50 Bay Networks CompuServe forum xiv customer support xiv Home Page on World Wide Web xv InfoFACTS service xv publications ordering xvii Technical Response Center xv Bridge ID assigning 2 9 Byte Cost parameter 3 52 3 64 C Cable Type parameter 2 15 Clock Source parameter 2 13 CompuServe Bay Networks forum on xiv Configuration services 1 21 Connection Cost parameter 3 52 3 63 Connection Network Name parameter 3 58 Connection Network Port Name parameter 3 58 3 61 Connection networks 1 10 Control points in APPN networks 1 5 CP CP Session Support parameter 3 49 customer support See getting help D Data link connection identifier 2 5 3 21 3 45 defaults APPN parameters B 1 B 2 B 4 B 5 LLC2 parameters B 6 Delay parameter 3 53 3 65 Deleting adjacent link stations 3 40 APPN connection network ports 3 61 APPN connection networks 3 58 APPN directory entries 3 72 Index 3 APPN interfaces 3 16 APPN ports 3 19 Dependen
64. essions through the intermediate network node Figure 1 6 At session endpoints the LU with control point services establishes a session with a session partner and routes session data back and forth with the partner LU INTERMEDIATE network nodes do not control the LU endpoints and LU services cannot be invoked on these nodes ISR forwards session data to the next node along the session path End Node C LU C Intermediate ES S LU A to LU C a B ml Session 4 a1 Network Node A LU A to LU C ISR Services Session Figure 1 6 Nonadjacent LU LU Session through an Intermediate Node In Figure 1 6 LU A and LU C are nonadjacent session partners ISR at NNB forwards session data between the nonadjacent nodes LU A and LU C NNB creates a session connector SC for each session passing through it Figure 1 7 illustrates ISR function placement in the SNA layered architecture Routing takes place at the SNA Layer 4 called the Transmission Control layer Layer 4 performs flow control operations specifically segmentation and reassembly and pacing Advanced Peer to Peer Networking Overview APPN APPN APPN End Node Network Node End Node 7 Applicaton Applicaton 7 Logical Unit LU Logical Unit LU Transmission Control
65. 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 dated 14 May 1991 as may be amended from time to time shal
66. he transmission facility that this TG uses Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 16 Byte Cost 128 0 to 255 inclusive Specifies the relative cost of transmitting a byte over this TG to an adjacent link station on this port A value of 0 indicates no cost and a value of 255 indicates maximum cost Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 17 3 52 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Security Nonsecure Nonsecure Public Switched Underground Conduit Encrypted Guarded radiation Maximum Specifies the security level of the TG to the adjacent link station on this port Click on Values and select one of the common definitions indicated under Options 1 3 6 1 4 1 18 3 5 14 1 4 1 18 Delay Negligible Negligible Terrestrial Packet Long Maximum Indicates the propagation delay or the relative amount of time a signal takes to travel the length of a TG to the adjacent link station on this port Click on Values and select one of the common definitions indicated under Options 1 3 6 1 4 1 18 3 5 14 1 4 1 19 3 53 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default
67. igures APPN Network with Different Node Types rrrnnnnnvnnerrrnnnnnrnnrnrrrnnnnnnnrnnnnn 1 4 CP CP and LU LU Sessions rnnnnvroronnvnnnnnr RE 1 5 DLUR and DUUS f an APPN Network uuurasssninnmtasnindnnnidtu 1 7 Interface Port and Link Station Relationship errrnnvvrnnrrnnrrrrnrrrnnrnnnnnnn 1 8 Sample APPN Connection Network rrrrrrrnnrvvennrrnavvererrnnnvreerrrnnrnneerrnnnn 1 11 Nonadjacent LU LU Session through an Intermediate Node 1 12 APPN ISR Routing Functions in SNA Architecture ccceeeeeeeees a 1 13 APPN HPR Routing Functions in SNA Architecture 0 1 15 HPR RTP Connection Supporting APPN Sessions nrrrrrrrnnnvrrrrvrnnnnne 1 16 HPR ANR Routing and Packet Handling Operations ccceeeee 1 19 Source Route Encapsulation Dialogue BOX mrnrrrnrnrnnanrnnnnnvvnnnnrrnnnnnnnernr 2 3 APPN Local Node Name Configuration Window arrrnennvrnnerrrrnnnrnnnrnnrnn 2 3 APPNFR Configuration MNd W sunasmretuesminijaeet npniimadjrdatideske 2 5 Adjacent Link Station Dialogue Box sreannrvnnvernvvnrvevrnenervenrenesnnnvnvevnneenne 2 6 Source Route Encapsulation Dialogue Box urrnnrrnrvnannvnnnennennnnrnnnnnnenernr 2 7 Source Routing Global Parameters Window rrrrrnnrrrrrrrnnnrnrrrrrnnrrnrrrrnnnnne 2 8 Edit SR NESE VINO Lead eednvanjhr adle 2 10 APPN Virtual Ring Number Configuration Window EE ET s SDLG Line Parameters WINdow sumudmnisiesnnedsnemirsimeriaeniin vi
68. ing APPN Services Values Help Limited Resource TG TG Number CP CP Session Support Automatic Activation Backup DLUS Name NETID NAME Use Default TG characteristics Effective Capacity Connection Cost Byte Cost Security Figure 3 11 APPN Adjacent Link Station Advanced Configuration Window 2 Click on each parameter value that you want to change then enter a new value 3 Click on OK to save your changes and exit the window 3 48 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Limited Resource TG No Yes I No Specifies whether the adjacent link station is classified as a limited resource If you specify Yes the TG to the adjacent link station is deactivated when the number of active sessions drops to zero Click on Values and specify Yes or No 1 3 6 1 4 1 18 3 5 14 1 4 1 8 TG Number 1 1 to 20 Specifies the number of the transmission group to this link station Specify a number in the range 1 to 20 1 3 6 1 4 1 18 3 5 14 1 4 1 7 CP CP Session Support Yes Yes No Specifies whether the adjacent link station supports CP CP sessions APPN nodes network nodes and end nodes that support control points can communicate register and share network resources Setting this p
69. ique XID node identification for the adjacent node The APPN network node and the adjacent node exchange node identifications when establishing a connection Enter 5 hexadecimal digits 1 3 6 1 4 1 18 3 5 14 1 4 1 11 3 38 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing APPN Parameters Link Address hex None None Specifies the MAC SAP DLCI SAP for Frame Relay or SDLC address that this adjacent link station will use This field displays the address you specified when you added the adjacent link station The MAC address starts with the Ox prefix and ends with the SAP value If you choose to specify a new link data address specify the MAC address in MSB noncanonical format with the Ox prefix and end the address with the SAP value For Frame Relay specify a valid DLCI and SAP value For SDLC specify a valid SDLC address 1 3 6 1 4 1 18 3 5 14 1 4 1 27 Max Send BTU Size 2057 256 to 4105 Specifies the maximum Basic Transmission Unit BTU size that can be sent over this TG to an adjacent link station Each link station determines its own maximum send BTU size based on local node definitions and exchange identification XID information received from the interface and the adjacent link station Enter a number in the range 256 to 4105 1 3 6 1 4 1 18 3 5 14 1 4 1 14 3 39 Configuring APPN Service
70. ithout having to route traffic through an intermediate network node However these end nodes still require definitions to other nodes and the nodes must be accessible over CP CP sessions A connection network CN simplifies APPN configurations by reducing the number of connections that you must configure between nodes on an SATF When two nodes on the same SATF exist on the same connection network these nodes are unaware that they have a direct connection to each other the NNS acting as an APPN virtual routing node VRN calculates a route between the two end nodes so that they can communicate directly For the end nodes to communicate with each other over a connection network the end nodes require a connection to the VRN and a connection to the NNS Figure 1 5 illustrates a sample connection network This connection network such as that between EN2 and EN3 may use resources at the network node NN1 to establish sessions with each other Advanced Peer to Peer Networking Overview EN2 a EN3 Traffic Virtual Routing Node NN1 EN4 Figure 1 5 Sample APPN Connection Network Configuring APPN Services Intermediate Session Routing Intermediate session routing ISR provides a reliable connection oriented LU LU session path between nonadjacent APPN nodes ISR session connectors SCs and a session connection manager SCM forward s
71. kstations that register their resources with their network node server Low Entry Networking Nodes Low entry networking nodes LENs are the simplest type of node in an APPN network LEN nodes communicate with each other as adjacent peers LENs do not use control point sessions and cannot exchange resource information with an NN Therefore the resource information for LENS is preconfigured and supported at the NN LENs typically include personal computers and workstations Figure 1 1 illustrates a simple APPN network with the three APPN node types Configuring APPN Services Low entry networking node LEN EE APPN network node NN MIL AS 400 end node EN Low entry networking node LEN Figure 1 1 APPN Network with Different Node Types Advanced Peer to Peer Networking Overview Control Points and Logical Units Network node APPN A APPN uses control points CPs to manage nodes and network resources by establishing CP CP sessions between nodes All CP CP sessions use logical unit LU 6 2 sessions During a CP CP session Figure 1 2 adjacent nodes exchange network information Network nodes use CP CP sessions to keep track of the network topology and directory information Adjacent end nodes use CP CP sessions to regist
72. l 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 o EE EEE EN are cer mest E E EE EE MERE FEN rrr ARE ere errr Ne xiii Before You Begin mmmnsvnnrrrnnannnvennnr dad oases saadan xiii Bay Networks Customer Spon uomnesnsrnesmnnnesmnon
73. lation Dialogue Box To configure Bay Networks SRB over Ethernet or Frame Relay using the RFC 1490 bridging standard click on OK and refer to the next section Enabling APPN over LLC2 Interfaces Using SRB for information on the additional screens that appear The APPN Local Node Name Configuration window appears Figure 2 2 APPN Local Node Name Configuration Cancel Local Node Name NETID NAME Figure 2 2 APPN Local Node Name Configuration Window 4 Specify the Local Node Name parameter as follows 2 3 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID 5 Local Node Name None Any valid name with up to 17 characters in the format lt NETID CPNAME gt NETID is the global network name with up to 8 characters followed by a period and CPNAME is the control point name with up to 8 characters The Local Node Name parameter identifies the unique name of the network and the Bay Networks router node name Enter the node name by first specifying up to 8 characters in the network ID name type a period then enter a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA S YSTEMA is a valid entry for the Local Node Name parameter 1 3 6 1 4 1 18 3 5 14 1 1 4 Click on OK to add the l
74. ll serve the PU2 0 link station Type up to 8 characters for the network ID name follow with a period and then type a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE DLUR is a valid entry for the Primary DLUS Name parameter 1 3 6 1 4 1 18 3 5 14 1 4 1 30 DSPU Name None Up to 8 alphanumeric uppercase characters Specifies the name of the down stream physical unit DSPU supported by DLUR Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded 1 3 6 1 4 1 18 3 5 14 1 4 1 29 3 37 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Adjacent Node Block Number None None A unique hexadecimal value that identifies APPN in this adjacent node The number is the first 3 digits of the node ID Accept the derived value that displays in this field 1 3 6 1 4 1 18 3 5 14 1 4 1 10 Adjacent Node ID Number None Optional if specified a valid string of 5 hexadecimal digits 0 to 9 A B C D E F Identifies the local APPN adjacent node and is present in APPN alerts and exchange identifications XIDs These 5 digits are combined with the 3 digit block number to form a un
75. more information about using the Technician Interface to access the MIB refer to Using Technician Interface Software 2 1 Configuring APPN Services a parameter is valid Entering an invalid value can corrupt your configuration Caution The Technician Interface does not verify that the value you enter for Enabling APPN over LLC2 Interfaces When you configure APPN on LLC2 interfaces such as Ethernet and Token Ring the Configuration Manager requests media access control MAC and service access point SAP addresses On synchronous interfaces where you are configuring APPN over Frame Relay the Configuration Manager requests a data link connection identifier DLCI address and a SAP address To enable APPN on Ethernet Token Ring or Bay Networks synchronous interfaces using Frame Relay 1 Select APPN from the Select Protocols window This menu appears after you select either a link or net module connector that requires a WAN circuit The Configuration Manager automatically selects the LLC2 option 2 Click on OK For Frame Relay and Ethernet networks the Use Source Route Encapsulation dialogue box appears Figure 2 1 3 Click on Cancel if you are configuring standard LLC over Ethernet or if you are configuring Frame Relay using the RFC 1490 routing standard 2 2 Enabling APPN Services Use Source Route Encapsulation OK for YES Cancel for NO Cancel avd Figure 2 1 Source Route Encapsu
76. n in the network header of each packet For each activated link an ANR label is dynamically assigned to the packet As a packet traverses the network each node strips off the information it uses in the packet header before forwarding it allowing the next node to easily find its routing information at a fixed place in the header This allows faster switching through a node Additionally there is no ANR restriction on the number of hops in the network Figure 1 10 illustrates how ANR routes packets over an APPN HPR network The intermediate network node strips the first routing label A1 from the network header before forwarding the packet on the A1 link C5 represents the endpoint in the last HPR node Advanced Peer to Peer Networking Overview RTP Connection Sessions A1 Sessions C5 eC a 4 NN1 NN2 NN3 Sending Endpoint Node Intermediate Node Receiving Endpoint Node O O gt O A1 Stripped off at NN2 Before Delivery to NN3 Figure 1 10 HPR ANR Routing and Packet Handling Operations APPN Services The APPN services on the NN include e Session services e Directory services e Topology and routing services Configuration services e Management services Session Services Session services SS generates unique session identifiers activates and deactivates CP CP sessions to exchange network information and assists LUs in initiating and activating LU LU sessions Session services In
77. ncapsulation formats over Ethernet FDDI SMDS Frame Relay and Point to Point PPP protocols e SDLC links in point to point and multipoint configurations The Bay Networks APPN implementation complies with Version 2 of the IBM APPN Network Node specification with advanced optional APPN function sets APPN Node Types APPN supports the following node types e Network nodes e End nodes e Low entry networking nodes 1 2 Advanced Peer to Peer Networking Overview Network Nodes End Nodes Network nodes NNs provide routing and networking services to other network nodes and end nodes These services include locating network resources calculating routes and routing sessions NNs use configured or dynamic control point to control point CP CP sessions with adjacent nodes to manage communicate and exchange network topology and resource information Any adjacent node that does not support control point sessions such as a low entry networking node cannot participate in this exchange and must rely on static definitions An NN that provides control point services to end nodes is called a network node server NNS End nodes ENs have control points that allow them to register and share network information using CP CP sessions with the NNS End nodes provide APPN services to local users and applications and can operate independently in simple network configurations In most configurations end nodes are application hosts and wor
78. ndne 1 18 See se ERE RE igieeateaesaaien 1 18 Se Fare 1 18 FV 1 19 ee EEE EEE ee 1 19 BLE SE EE EE 1 20 Topology and Rouino SORES muupnssmhunsaeeasamtenseesnin ng 1 20 COMMAUEANION es RE EE ER 1 21 MENN NE seede 1 21 For More Information about APPN sidde Metin EET EE 1 22 Chapter 2 Enabling APPN Services Using the Parameter Descriptions rrranrvnnonrrnnnnrrnnnnnvenenr ER TE 2 1 Enabling APPM over LL P Mit aCe acai coc csccscete ges tetesenricslciaraancsnsieenciadeaaaciladdeseal oie 2 2 Enabling APPN over LLC2 Interfaces Using SRB ccsceeeceeeeeeeeeesereeeeeeeeeeteneetnaees 2 7 Enabling APPN Interfaces over SDLC E ET andere san 2 12 Chapter 3 Editing APPN Parameters Using the Parameter Dasciphona Kansnassenerdaape dene E 3 1 Accessing APPN Pie sc cnessdecastaxisigeeescacessygatiglanspaiscintsecuasadelpaecieleaniacsieedtanlaiie 3 2 Editing APPA Global Parameters carrion aa ais 3 3 APPN Global Advanced Parameters ETT erd FETE aienea 3 5 Editing APPN Interfaces and Porte uvvsvsmerrnscnnsvasmnesiinetssnnsatnsiaseis 3 14 BDEEOAPPN EE iaaa SAA 3 16 EOUMO APPN RE eni a cee ied ean tated E ei 3 17 Beleno AFFAN ER ARRA 3 19 Adding Ports to an APPN Interface ET ere sel ET ad 3 19 Editing AP PN Advanced Port PASMEEP 2 asumnntismiisiisnemvinkaiomsjibdenie 3 23 vi Editing APPN Adjacent Link Stallone sumaren A 3 33 Deleting AN Link SANNE sarosimani inniinn i 3 40 Adding ANRE
79. ng much faster than the intermediate session routing ISR base component in APPN HPR consumes fewer network resources memory and control processor by e Minimizing storage and processing activities in intermediate nodes e Reducing the amount of error recovery on individual lines e Implementing nondisruptive path switching function that reroutes sessions around failed links or nodes HPR uses the Rapid Transport Protocol RTP and Automatic Network Routing ANR RTP also supports adaptive rate based ARB congestion control Figure 1 8 illustrates HPR in the SNA layered architecture Routing takes place at the SNA Data Link Control layer Layer 2 performs reliable sequential delivery selective retransmission and nondisruptive rerouting using RTP as described in this section RTP Endpoint Advanced Peer to Peer Networking Overview RTP Endpoint End Node or ANR Router Node End Node or Network Node Network Node Network Node 7 Application Application 7 Unit LU Unit LU A LE e i wo eo00000 0000 Connectionless LLC 00000000000000000000000000 Transport Oriented LLC Session g Connectionless ANR Routing with Priority o o o o o o o o o o o 00000000000000000000000000 Figure 1 8 APPN HPR Routing Functions in SNA Architecture Data Link Control Reliable Sequential Delivery Selective Retransmission Nondisruptive Rerouting Configuring APPN Service
80. nge 0 to 255 The lower the value the more desirable the node becomes for ISR 1 3 6 1 4 1 18 3 5 14 1 1 21 Endpoint Session RSCV Storage Enable Enable Disable When enabled stores route selection control vector information used by the network node if it is the endpoint origin or destination node in the route This parameter is useful when you are using the Technician Interface to debug logged APPN events and statistics Refer to Using Technician Interface Scripts for information on using the show appn command When enabled this parameter consumes additional memory for each endpoint session Select Enable to enable endpoint session RSCV storage Select Disable to disable endpoint session RSCV storage 1 3 6 1 4 1 18 3 5 14 1 1 29 3 7 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Max Directory Entries 0 A value of 0 indicates an unlimited number of entries otherwise any positive numeric value Specifies the maximum number of entries that APPN stores in the directory database at the network node The directory database stores information about network resources and their location in the APPN network Enter a value large enough for the network being managed or specify 0 for unlimited entries 1 3 6 1 4 1 18 3 5 14 1 1 32 Max Cached Directory Entries 100 Any positive n
81. ns Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID MAC Address None Any unique 48 bit 12 digit hexadecimal MAC level address Specifies a unique MAC level address for this port connecting the adjacent link station Enter a 12 digit hexadecimal MAC level address in MSB noncanonical format 1 3 6 1 4 1 18 3 5 14 1 4 1 27 SAP hex None Any unique service access point SAP 2 digit hexadecimal value Specifies a service access point SAP address that lets multiple applications and protocol entities in a single computer share a MAC address Enter a 2 digit hexadecimal value 1 3 6 1 4 1 18 3 5 14 1 4 1 27 SDLC Address hex None Any unique 2 digit hexadecimal SDLC level address Specifies a unique SDLC address for this circuit Enter a 2 digit hexadecimal address 1 3 6 1 4 1 18 3 5 14 1 4 1 27 3 44 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters DLCI Address None Valid range changes based on the Frame Relay address length as follows Address Length Range 2 bytes 16 to 1007 3 bytes 1024 to 64511 4 bytes 131072 to 8257535 This number is the PVC identification number that the Frame Relay network uses
82. nstructions MIB Object ID Editing APPN Parameters Resource Type LU logical unit LU logical unit ENCP end node control point NNCP network node control point Wildcard Specifies the type of resource for this directory services entry When you set this parameter to LU the local directory services database contains pointers to the CP name of the node owning the LU and the CP name of the network node server Click on Values and select LU ENCP NNCP or Wildcard Specify Wildcard to instruct APPN that the entry uses the asterisk wildcard Refer to the beginning of this section for information on using the wildcard with directory entries 1 3 6 1 4 1 18 3 5 14 4 3 1 4 Parent Name None None Specifies the fully qualified APPN node name NETID NAME that owns the resource being defined By default the NETID portion of the name is the previously configured Local Node Name parameter as specified on the Edit APPN Global Parameters window Figure 3 2 Enter the fully qualified APPN node name in the format VETID NAME Type up to 8 characters for the network ID name follow with a period then a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA SYSTEMA is a valid entry for the Parent Name parameter 1 3 6 1 4 1 18 3 5 14 4 3 1 5
83. ocal node name For Frame Relay configurations the APPN FR Configuration window appears Figure 2 3 If you are configuring standard LLC over Ethernet the Configuration Manager displays the APPN Configuration Window where you specify a MAC Address instead of the DLCI Address 2 4 Enabling APPN Services Cancel DLCI Address SAP Chex Figure 2 3 APPN FR Configuration Window 6 Specify the DLCI Address for Frame Relay only MAC Address and SAP parameters as follows Parameter DLCI Address Default None Options Valid range depends on the Frame Relay address length as follows Address Length Range 2 bytes 16 1007 3 bytes 1024 64511 4 bytes 131072 8257535 Function The DLCI is the Frame Relay PVC identification number The Frame Relay network uses the DLCI to direct basic data flow Instructions Enter a decimal number within the valid range MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 3 1 38 2 5 Configuring APPN Services Parameter SAP hex Default None Options Any unique SAP 2 digit hexadecimal value usually 04 with APPN Function Specifies a SAP address that lets multiple applications and protocol entities in a single computer share a MAC address Instructions Enter a 2 digit hexadecimal value MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 3 1 38 Parameter MAC Address Default None Options Any unique 48 bit 12 digit hexadecimal MAC level address Function Specifies a uni
84. onfigured on an interface Enter any 3 digit value 1 3 6 1 4 1 18 3 5 14 1 3 1 16 Port DLCI Address None Valid range changes based on the Frame Relay address length as follows Address Length Range 2 bytes 16 1007 3 bytes 1024 64511 4 bytes 131072 8257535 The DLCI is the Frame Relay PVC identification number The Frame Relay network uses the DLCI to direct basic data flow Enter a decimal number within the valid range 1 3 6 1 4 1 18 3 5 14 1 3 1 38 Port MAC Address None Any unique 48 bit 12 digit hexadecimal MAC level address Specifies a unique MAC level address DLCI for Frame Relay or SDLC address Enter a 12 digit MAC hexadecimal address in MSB non canonical form regardless of the media a DLCI address or an SDLC address 1 3 6 1 4 1 18 3 5 14 1 3 1 38 3 21 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Port SAP hex None Any unique SAP 2 digit hexadecimal value usually 04 Specifies a SAP address that lets multiple applications and protocol entities in a single computer share a MAC address Enter a 2 digit hexadecimal value 1 3 6 1 4 1 18 3 5 14 1 3 1 38 SDLC Address hex None Any unique 2 digit hexadecimal SDLC level address Specifies a unique SDLC
85. onfiguring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Implicit Effective Capacity 16M 1200 2400 4800 7200 9600 14400 19200 48000 56000 64000 4M 10M 16M Maximum The Effective Capacity is the highest bit transmission rate that the TG can obtain before being considered overloaded The link bandwidth and maximum load factor determine this value TGs to dynamic link stations on this port use this value Click on Values and select a number from the list 1 3 6 1 4 1 18 3 5 14 1 3 1 27 Implicit Connection Cost 128 0 to 255 inclusive Specifies the relative cost per connect time of using a TG to dynamic link stations on this port A value of 0 indicates no cost and a value of 255 indicates maximum cost The cost per connect time is typically based on the applicable tariffs for the transmission facility this TG uses An X 25 network for example may have a high connection cost for dynamic link stations Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 3 1 28 3 28 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Implicit Byte Cost 128 0 to 255 inclusive Specifies the relative cost of transmitting a byte over this TG to a dynamic link s
86. port will allow in this configuration Specify a value in the range 0 to 255 This value plus the current setting MIB Object ID for the Inbound Link Activation Limits parameter must be less than or equal to the Total Link Activation Limits parameter setting 1 3 6 1 4 1 18 3 5 14 1 3 1 19 Table 3 1 Link Activation Limit Default Values Total Link Inbound Link Outbound Local Link SER EN Link Port Type Activation Activation pi ae Station Role nate ee Activation Limit Limits ee Limits Leased Secondary 1 1 0 Leased Negotiable 1 0 0 Leased Primary 256 0 256 SATF any 256 x y 128 x 128 y Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Implicit CP Sessions Yes Yes I No Specifies whether CP to CP sessions are permitted for dynamic link stations Dynamic link stations are link stations that are not defined on this port but are activated by the adjacent node Click on Values and select Yes or No 1 3 6 1 4 1 18 3 5 14 1 3 1 25 Implicit Limited Resource Yes Yes I No Specifies whether dynamic link stations on this port should be defined as limited resources limited resource link station deactivates after the number of sessions using the port drops to zero Click on Values and select Yes or No 1 3 6 1 4 1 18 3 5 14 1 3 1 26 3 27 C
87. que MAC level address for this port Instructions Enter a 12 digit hexadecimal MAC level address in most significant bit MIB Object ID MSB noncanonical format regardless of the media 1 3 6 1 4 1 18 3 5 14 1 3 1 38 7 Click on OK The Adjacent Link Station dialogue box appears Figure 2 4 Would you like to configure Adjacent Link Stations on this port OK for YES Cancel for NO Figure 2 4 Adjacent Link Station Dialogue Box 2 6 Enabling APPN Services 8 Click on OK to configure APPN adjacent link station parameters now For information on configuring addjacent link stations go to the section in Chapter 3 entitled Editing APPN Adjacent Link Stations 9 Click on Cancel Go to Chapter 3 for information about configuring APPN Enabling APPN over LLC2 Interfaces Using SRB If you are configuring LLC2 interfaces such as Ethernet FDDI SMDS Frame Relay and PPP you can use SRB encapsulation formats For Ethernet Bay Networks proprietary SRB over Ethernet and Frame Relay RFC1490 Bridging Standard start at the Source Route Encapsulation dialogue box Figure 2 5 and proceed as follows Site Manager Use Source Route Encapsulation OK for YES Cancel for NO Cancel Figure 2 5 Source Route Encapsulation Dialogue Box 1 Click on OK The Source Routing Global Parameters window appears Figure 2 6 2 7 Configuring APPN Services Source Routing Global Parameters Cancel OK V
88. r changes and exit the window 3 62 Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Editing APPN Parameters Effective Capacity 16M 1200 2400 4800 7200 9600 14400 19200 48000 56000 64000 4M 10M 16M Maximum Represents the highest bit transmission rate value allowed on connection network TGs over configured connection network ports The effective capacity is derived from the link bandwidth Click on Values and select a number that reflects the link bandwidth 1 3 6 1 4 1 18 3 5 14 1 6 1 5 Connection Cost 128 0 to 255 Specifies the relative cost per connect time of using a connection network TG over configured connection network ports value of 0 indicates no cost and a value of 255 indicates maximum cost The cost per connect time is typically based on the applicable tariffs for the transmission facility that this TG uses Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 6 1 6 3 63 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Byte Cost 128 0 to 255 Specifies the relative cost of transmitting a byte over this connection network TG using configured connection network ports A value of 0 indicates no cost and a value of 255 indicates
89. r defined TG characteristic to a dynamic link station on this port Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 3 1 33 3 30 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Implicit User Defined 3 128 0 to 255 Specifies the third user defined TG characteristic to a dynamic link station on this port Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 3 1 34 HPR Implicit LS Support Enable Enable Disable Enables HPR for implicit link stations on this port This parameter is available when the HPR Support parameter is set to Enable Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 3 1 35 HPR Link Level Error Recovery Disable Enable Disable Enables or disables HPR Link Level Error Recovery on implicit link stations on this port This parameter is available when the HPR Support and the HPR Implicit LS Support parameters are set to Enable Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 3 1 36 3 31 Configuring APPN Services Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Implicit Link Deactivation Time 120 5
90. ransmission groups TGs Specifies the maximum number of TGs in the network topology database A TG represents a single unidirectional connection or link to an adjacent link station Specify 0 to include all TGs 1 3 6 1 4 1 18 3 5 14 1 1 37 Max Number of ISR Sessions 1000 Any valid positive number greater than or equal to 100 Specifies the maximum number of intermediate session routing ISR sessions that the local network node can support concurrently This parameter controls the maximum number of ISR sessions Enter a value of 100 or greater 1 3 6 1 4 1 18 3 5 14 1 1 38 3 10 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters ISR Congestion Threshold 900 Any positive numeric value less than the Max Number of ISR Sessions parameter setting Specifies the maximum number of ISR sessions before the node considers itself congested causing it to direct new sessions away network node is no longer congested when the number of ISR sessions drops to the setting of the ISR Decongestion Threshold parameter Enter any positive numeric value less than the setting for the Max Number of ISR Sessions parameter In most cases a value equal to 90 of the Max Number of ISR Sessions parameter is a reasonable value 1 3 6 1 4 1 18 3 5 14 1 1 39 ISR Decongestion Threshold 800 Any positive num
91. ration windows that appear 3 14 Editing APPN Parameters APPN Interface List S551 11c2 DLCO0002 Bone 552 11c2 DLC00004 Delete 554 11c2 DLCO0006 541 DLC00007 Ports Apply Values Help EEE E A Interface Enable Disable ENABLE Figure 3 4 APPN Interface List Window 3 Click on Apply to save your changes 4 Click on Done to exit the window To display and enable or disable the current port s on an interface add additional ports to the interface delete ports or edit advanced port parameters click on Ports Parameter Interface Enable Disable Default Enable Options Enable Disable Function Enables or disables APPN routing on this interface Enable Initializes the selected APPN interface You can also use the Enable setting to initialize an existing APPN interface that you disabled earlier 3 15 Configuring APPN Services Disable Forces the APPN interface into the down inoperative state Instructions Select Disable to disable APPN routing over this interface Select Enable to enable or re enable APPN routing over this interface MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 2 1 2 Deleting APPN Interfaces To delete an interface from the APPN Interface List window refer to Figure 3 4 select the interface then click on Delete The system software deletes the interface entry from the APPN configuration 3 16 Editing APPN Parameters Editing APPN Ports
92. rvices 3 Click on OK The Edit SR Interface window appears Figure 2 7 2 9 Configuring APPN Services Edit SR Interface 554 Cancel OK Values Help Enable ENABLE Max number of RDs Source Routing Ring Number 0x0 Outbound STEs ACCEPT Inbound STEs ACCEPT Frames With IP Ring ACCEPT IP Address 0 0 0 0 NetBIOS Server Name Cache ENABLE NetBIOS Client Name Cache ENABLE NetBIOS Datagram Cache ENABLE Figure 2 7 Edit SR Interface Window 4 Edit the Source Routing Ring Number parameter in the Edit SR Interface window This is the only parameter that you must specify before you can proceed 2 10 Enabling APPN Services Parameter Source Routing Ring Number Default 0x0 Range 0x0 to OxOfff Function Identifies the ring number ring ID of this source routing circuit Instructions Assign a ring number ring ID to this source routing circuit that is unique among any other ring IDs group LAN IDs or internal LAN IDs in the network MIB Object ID 1 3 6 1 4 1 18 3 5 1 1 2 1 6 For details on how to configure the source routing parameters on this window refer to Configuring Bridging Services 5 Click on OK The APPN Virtual Ring Number Configuration window appears Figure 2 8 APPN Virtual Ring Number Configuration Cancel OK Values Help Figure 2 8 APPN Virtual Ring Number Configuration Window 6 Edit the Virtual Ring Number parameter as follows Configuring APP
93. s Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Target Pacing Count 4 0 to 32767 Specifies the pacing window size for session requests BINDs on this TG to the adjacent link station APPN uses this value for fixed BIND pacing Pacing windows control the number of session requests to prevent memory consumption at the adjacent link station Enter a value in the range 0 to 32767 1 3 6 1 4 1 18 3 5 14 1 4 1 13 HPR Support for this LS Disable Enable Disable Enables or disables HPR on this link station This parameter is available when the HPR Support parameter is set to Enable Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 4 1 32 Deleting Adjacent Link Stations To delete an adjacent link station from the APPN Adjacent Link Station List window refer to Figure 3 8 select the adjacent link station and click on Delete The system software deletes the entry from the APPN configuration 3 40 Editing APPN Parameters Adding Adjacent Link Stations To add an adjacent link station to an APPN interface display the APPN Adjacent Link Station List window refer to Figure 3 8 and then 1 Click on Add The APPN Adjacent Link Station Port Configuration window appears Figure 3 9 APPN Adjacent Link Station Port Configuration Cancel OK Values Help Figure 3 9 A
94. s Rapid Transport Protocol RTP is a connection oriented full duplex protocol that supports data in high speed networks at APPN NN endpoints HPR uses RTP connections to transport LU LU and CP CP traffic single RTP connection allows traffic from multiple APPN sessions requesting the same class of service to share the same logical pipe This conserves network resources by minimizing the role of intermediate NNs in the path and by reducing error recovery and flow control operations Figure 1 9 illustrates an RTP connection supporting multiple sessions between endpoint nodes over a logical pipe Multiple RTP Connection Multiple Sessions over Logical Pipe Sessions NN CE NN NN Endpoint Node Intermediate Node Endpoint Node Figure 1 9 HPR RTP Connection Supporting APPN Sessions RTP functions include e Non disruptive path switching e End to end error recovery e End to end flow and congestion control Non Disruptive Path Switching The HPR non disruptive path switch dynamically reroutes RTP connections around failed links or nodes If a path fails the RTP component at the NN endpoint of the logical link calculates a new path based on the desired class of service and transmission priority if it exists RTP performs the switching transparently so that the session is unaware that rerouting is taking place Non disruptive path switching forwards and reverses traffic to follow different routes through the network
95. scriptions that follow as a guide 3 Click on OK to save your changes and exit the window or select Advanced to further customize APPN global parameter settings Edit APPN Global Parameters Cancel OK Advanced Values Help APPN Enable Disable ENABLE Local Node Name NETID NAME BAYNET ONER Local ID Block Local ID Number Figure 3 2 Edit APPN Global Parameters Window 3 3 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID APPN Enable Disable Enable Enable Disable Globally enables or disables APPN on the router Disable Forces every APPN interface existing on the node into the down inoperative state Enable Reinitializes every APPN interface existing on the node each interface maintains the most recent setting of its own Interface Enable Disable parameter Select Disable to force every APPN interface existing on the node into the down inoperative state Select Enable to globally reinitialize all APPN interfaces configured on the node each interface will maintain the most recent setting of its own Interface Enable Disable parameter 1 3 6 1 4 1 18 3 5 14 1 1 2 Local Node Name None Any valid name with up to 17 characters in the format lt NETID CPNAME gt NETID is the global network name with up to 8 characters followed by a p
96. se 2 13 SEE PE NTE ossai iadaaa datasett 2 15 APPN Local Node Name Configuration Window 2 16 APPN SDLC Address Configuration Window rrrnnnrrnnnnnvnnrnrrnnnnnnnnnennn 2 17 Adjacent Link Station Dialogue Box EE E E E 2 18 Comgualon Manager VINDEN serisinin 3 2 Edit APPN Global Parameters Window mmrnrrnnnnnvnnenrrnnnnnvnnnnrrnnnnnvnnennnen 33 Advanced APPN Global Parameters Window rrrnrnrrrnnnnvvnrnrrrnnnnnvnnrnnrnn 3 6 APPM fear Liet ME saa dde 3 15 RPPN FO VITE anaing a 3 17 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 Figure 3 11 Figure 3 12 Figure 3 13 Figure 3 14 Figure 3 15 Figure 3 16 Figure 3 17 Figure 3 18 APPN FR Port Configuration Window rerrnnnvnnenvrnnnnnrrnnnnvrnrnnrrennnnnnnrnnne 3 20 eee REE inia iadaa OSEANE 3 23 APPN Adjacent Link Station List Window rennnnrnnnnvrnnnnnnvnnnrrnnnnnnvnnennn 3 33 APPN Adjacent Link Station Port Configuration Window 3 41 APPN Adjacent Link Station Configuration Window s 3 42 APPN Adjacent Link Station Advanced Configuration Window 3 48 APPN Connection Network List Window cce cceeeeeeeeeteeeeteetseeeeaes 3 56 Connection Network Configuration Window nrrnrrrrvnnnnnvrnnrrrnnnnnrnnnrnnnnn 3 57 APPN Connection Network Port List Window s 3 59 Connection Network Port Configuration Window rrrnnrnnnnrrnnrnnnnnnennnenn 3 60 APPN Connection Network Advanced Parameters
97. se characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example APPNNODE THREE is a valid entry for the Connection Network Name parameter 1 3 6 1 4 1 18 3 5 14 1 6 1 3 Connection Network Port Name None Up to 8 alphanumeric uppercase characters Specifies the name of the port for the connection network Enter up to 8 alphanumeric uppercase characters with no blank spaces leading trailing or embedded 1 3 6 1 4 1 18 3 5 14 1 7 1 4 4 Click on OK to save your changes Deleting APPN Connection Networks To delete a connection network from the APPN Connection Network List window refer to Figure 3 12 select the network name then click on Delete The system software deletes the entry from the APPN configuration 3 58 Editing APPN Parameters Editing APPN Connection Network Ports The APPN Connection Network List window Figure 3 12 allows you to enable or disable connection network ports add and delete ports on existing connection networks and edit advanced connection network parameters From the APPN Connection Network List window 1 Select Ports The APPN Connection Network Port List window appears Figure 3 14 APPN Connection Netuork Port List BAYNET ONE PORTOOO2 Done Add Delete Apply Values nl aa Enable Disable ENABLE Figure 3 14 APPN Connection Network Port List Window 2 Sel
98. sentative 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 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 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 Center in your area United States 1 800 2LAN WAN Valbonne France 33 92 966 968 Sydney Australia 61 2 903 5800 Tokyo Japan 81 3 328 005 XV Configuring APPN Services Conventions This section describes the conventions used in this guide angle brackets lt gt arrow character gt bold text bracke
99. ser Defined 3 Default 128 Range 0 to 255 Function Specifies the third user defined TG characteristic for this connection network Instructions Enter a value in the range 0 to 255 MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 6 1 12 Editing APPN Directory Entry Parameters You can define directory entries for network resources that APPN cannot dynamically locate such as LUs on a LEN node Directory entries can avoid network searches for commonly used resources The directory is hierarchical in structure For example to configure directory entries for LUs on an adjacent LEN node first configure the LEN as an end node control point ENCP with the local NN as the parent You then define LUs with the LEN as the parent Directory entries can specify the full name of the resource or can include an asterisk to indicate a wildcard entry Wildcard entries simplify the definition of many similarly named resources For example if a node contains LUs named APPN LUX1 APPN LUX2 and so on you can use the single wildcard entry APPN LUX To edit APPN directory entry parameters begin at the Configuration Manager window Figure 3 1 and then 1 Select Protocols gt APPN gt Directory Entries The APPN Directory Entry List window appears Figure 3 17 The window displays the qualified LU names of any APPN nodes currently configured for directory services in the local directory database 3 66 Editing APPN Parameters Done Add Delete
100. ssions This parameter is useful for network monitoring and debugging When enabled it will consume additional memory for each DLUR DLUS session It is not used if the DLUR Support Enable Disable parameter is set to Disable Click on Values and select Enable to enable DLUR DLUS RSCV storage Select Disable to disable DLUR DLUS RSCV storage 1 3 6 1 4 1 18 3 5 14 1 1 44 HPR Support Enable Enable Disable Enables HPR on this node Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 1 50 3 13 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID HPR Path Switch Controller Support Disable Enable Disable Enables this node as an HPR patch switch controller initiator This parameter is available when the HPR Support parameter is set to Enable Typically you only set this parameter to Enable if your network node is a mobile or wireless satellite communications partner The Enable setting prevents unneeded path switch attempts by the non mobile partner Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 1 51 Editing APPN Interfaces and Ports To edit APPN Interface parameters begin at the Configuration Manager window refer to Figure 3 1 and proceed as follows 1 Select Protocols gt A PPN Interfaces The APPN Interface List window appears Figure 3 4 Edit those parameters you want to change using the APPN configu
101. stablishing a connection Enter 5 hexadecimal digits 1 3 6 1 4 1 18 3 5 14 1 1 7 dvanced Parameters To edit the APPN global advanced parameters from the Edit APPN Global Parameters window Figure 3 2 1 Click on Advanced The Advanced APPN Global Parameters window appears Figure 3 3 This window contains general parameters associated with APPN directory services intermediate session routing and topology and routing services 3 5 Configuring APPN Services Route Addition Resistance Endpoint Session RIN Ytorsge Bax Directory Entries Has Cached Directory Evtrien Hetunri Locate Timeout fin seconds TRA Route Tree Cache Size TRS Route Tree Cache sage Limit Has HHe in Topology DiD Unlimited Max TGs in Topology MTO Unlimited Max Hraber of SR Sessions 1000 Figure 3 3 Advanced APPN Global Parameters Window 2 Click on each parameter value that you want to change then edit the displayed value Use the parameter descriptions that follow as a guide 3 Click on OK to save your changes and exit the window 3 6 Parameter Default Range Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Route Addition Resistance 128 0 to 255 Indicates the relative desirability of using this network node for intermediate session routing ISR when multiple paths exist Enter a value in the ra
102. stics parameter 3 51 APPN connection networks adding 3 57 to 3 58 adding ports 3 60 to 3 61 Byte Cost parameter 3 64 Connection Cost parameter 3 63 Connection Network Name parameter 3 58 Connection Network Port Name parameter 3 58 3 61 Delay parameter 3 65 deleting 3 58 deleting ports 3 61 editing 3 55 to 3 66 editing advanced parameters 3 61 to 3 66 editing ports 3 59 to 3 60 Effective Capacity parameter 3 63 Enable Disable parameter 3 56 3 60 Implicit User Defined 1 parameter 3 65 Implicit User Defined 2 parameter 3 65 Implicit User Defined 3 parameter 3 66 Security parameter 3 64 APPN directory entries deleting 3 72 APPN directory services adding LU names to 3 69 to 3 72 editing 3 66 to 3 72 Enable Disable parameter 3 67 Parent Name parameter 3 68 3 71 Parent Type parameter 3 69 3 72 Resource Name parameter 3 70 Resource Type parameter 3 68 3 71 APPN Enable Disable parameter 3 4 APPN global advanced parameters DLUR Support Enable Disable 3 13 DLUR DLUS RSCV Storage 3 13 editing 3 5 to 3 13 Endpoint Session RSCV Storage 3 7 HPR Support 3 13 3 14 ISR Congestion Threshold 3 11 ISR Decongestion Threshold 3 11 ISR Receive Pacing Window 3 12 ISR Session RSCV Storage 3 12 Max Cached Directory Entries 3 8 Max Directory Entries 3 8 Max NNs in Topology DB 3 10 Max Number of ISR Sessions 3 10 Max RU Size for ISR Sessions 3 12 Max TGs in Topolog
103. t Logical Unit Requester See DLUS Dependent Logical Unit Requester See DLUR Directory services 1 20 DLCI Address parameter 2 5 3 45 DLUR operations 1 6 sample network using 1 7 DLUR Support Enable Disable parameter 3 13 DLUR DLUS RSCV Storage parameter 3 13 DLUS operations 1 6 sample network using 1 7 DSPU Name parameter 3 37 3 46 DSPU NO XID 3 36 DSPU XID 3 36 E Editing advanced adjacent link station parameters 3 47 to 3 55 APPN adjacent link stations 3 33 to 3 55 APPN advanced connection networks parameters 3 61 to 3 66 APPN advanced port parameters 3 23 to 3 32 APPN connection network ports 3 59 to 3 60 APPN connection networks 3 55 to 3 66 APPN directory entries 3 66 to 3 72 APPN global advanced parameters 3 5 to 3 14 APPN global parameters 3 3 to 3 5 APPN interfaces and ports 3 14 to 3 32 APPN ports 3 17 to 3 19 Effective Capacity parameter 3 51 3 63 Enable DLUR Support for this LS parameter 3 37 3 45 Enable Disable parameter 3 34 3 56 3 60 3 67 Enabling APPN over LLC2 interfaces 2 2 to 2 7 APPN over LLC2 interfaces using SRB 2 7 to 2 12 APPN over SDLC interfaces 2 12 to 2 18 End nodes 1 3 Endpoint Session RSCV Storage parameter 3 7 Ethernet 1 2 F FDDI 1 2 Frame Relay 1 2 G getting help from a Bay Networks Technical Response Center xv through CompuServe xiv through InfoFACTS service xv through World Wide Web xv H High Performance Rou
104. tation on this port A value of 0 indicates no cost and a value of 255 indicates maximum cost An X 25 network for example may have a high byte cost for dynamic link stations Enter a number in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 3 1 29 Implicit Security Nonsecure Nonsecure Public Switched Underground Conduit Encrypted Guarded radiation Maximum Specifies the security level of the TG to the dynamic link stations on this port Click on Values and select one of the common definitions indicated under Options 1 3 6 1 4 1 18 3 5 14 1 3 1 30 3 29 Configuring APPN Services Parameter Default Options Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Parameter Default Range Function Instructions MIB Object ID Implicit Delay Negligible Negligible Terrestrial Packet Long Maximum Specifies the propagation delay or the relative amount of time that it takes for a signal to travel the length of a TG to dynamic link stations on this port Click on Values and select a common definition indicated under Options 1 3 6 1 4 1 18 3 5 14 1 3 1 31 Implicit User Defined 1 128 0 to 255 Specifies the first user defined TG characteristic to a dynamic link station on this port Enter a value in the range 0 to 255 1 3 6 1 4 1 18 3 5 14 1 3 1 32 Implicit User Defined 2 128 0 to 255 Specifies the second use
105. ting HPR 1 14 to 1 19 Automatic Network Routing 1 18 Rapid Transport Protocol 1 16 HOST XID 0 3 36 HOST XID 3 3 36 HPR Implicit LS Support parameter 3 31 HPR Link Level Error Recovery parameter 3 31 3 55 HPR Path Switch Controller Support parameter 3 14 HPR Support parameter 3 13 HPR UI SAP parameter 3 32 Index 4 Implicit Byte Cost parameter 3 29 Implicit Connection Cost parameter 3 28 Implicit CP Sessions parameter 3 27 Implicit Delay parameter 3 30 Implicit Effective Capacity parameter 3 28 Implicit Limited Resource parameter 3 27 Implicit Link Deactivation Time parameter 3 32 Implicit Security parameter 3 29 Implicit User Defined 1 parameter 3 30 3 54 3 65 Implicit User Defined 2 parameter 3 30 3 54 3 65 Implicit User Defined 3 parameter 3 31 3 54 3 66 Inbound Link Activation Limits parameter 3 25 InfoFACTS service xv Interface Enable Disable parameter 3 15 Interfaces 1 9 Intermediate Session Routing 1 12 to 1 14 adaptive pacing 1 13 packet segmentation and reassembly 1 13 Internal Clock Speed parameter 2 14 Internal LAN ID 2 9 ISR Congestion Threshold parameter 3 11 ISR Decongestion Threshold parameter 3 11 ISR Receive Pacing Window parameter 3 12 ISR Session RSCV Storage parameter 3 12 L Limited Resource TG parameter 3 49 Link Address hex parameter 3 39 Link Deactivation Time parameter 3 55 Link stations 1 9 LLC2 enabling APPN over
106. tion file Using the Parameter Descriptions Each APPN parameter description 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 3 1 Configuring APPN Services 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 Accessing APPN Parameters You can access all APPN operational parameters from the Configuration Manager window Figure 3 1 Refer to Configuring Routers for instructions about how to access this window migr Kepi Deocr pt imi Si Quad Sync FJ Quad Syn Empty Sint l Empty Slot Bysina Resource Aodule Figure 3 1 Configuration Manager Window 3 2 Editing APPN Parameters Editing APPN Global Parameters To edit APPN global parameters from Configuration Manager window Figure 3 1 and proceed as follows 1 Select Protocols gt APPN gt Global The Edit APPN Global Parameters window appears Figure 3 2 2 Edit the parameters you want to change Use the de
107. to 255 Specifies the time in seconds before implicit link stations on this port deactivate if it is an HPR limited resource This parameter is available when the Implicit Limited Resource is set to Yes and when the HPR Support and the HPR Implicit LS Support parameters are set to Enable Enter a value in the range 5 to 255 inclusive 1 3 6 1 4 1 18 3 5 14 1 3 1 37 HPR UI SAP C8 Any 2 digit hexadecimal value Specifies the local HPR service access point address for unnumbered information UI frames on this port A UI frame is an LLC frame type on which LLC does not perform link level error recovery This parameter is available when HPR Support is set to Enable In base APPN LLC2 configurations LLC2 performs link level recovery by sending information frames I frames If you disable link level error recovery with the HPR Link Level Error Recovery parameter APPN sends the HPR network layer packets as UI frames since RTP performs the link level error recovery on an end to end basis Enter any 2 digit hexadecimal value The Ox prefix is optional For example the value C8 uses the Ox prefix 1 3 6 1 4 1 18 3 5 14 1 3 1 39 3 32 Editing APPN Parameters Editing APPN Adjacent Link Stations To edit APPN Adjacent Link Station parameters begin at the Configuration Manager window refer to Figure 3 1 and 1 Select Protocols gt APPN gt Adjacent Link Stations The APPN Adjacent Link Station List window appears Figure 3 8
108. to provide a path for SSCP flows between VTAM and dependent LUs across an arbitrary APPN backbone network The DLUR node serves as a point of connection for PU2 0 devices such as 3270 type devices to attach to an APPN backbone The DLUR and DLUS components in an APPN network allow the SSCP and the PU2 0 device to exchange control flows across the APPN backbone DLUR and DLUS form a tunnel called a CP SVR pipe that allows the SSCP at the DLUS side of the pipe to send SNA control flows to the PU2 0 device at the DLUR side of the pipe The CP SVR pipe is a pair of LU6 2 sessions that encapsulate the SSCP control flows Figure 1 3 illustrates the DLUR and DLUS components in APPN 1 6 Advanced Peer to Peer Networking Overview SSCP sessions APPN network node encapsulated in with DLUR CP SVR pipe CP SVR pipe vi PU2 VED with DLUS LU LU sessions natively routed by APPN network gt APPN _ backbone VTAM Figure 1 3 DLUR and DLUS in an APPN Network Typically in a large network multiple DLUS nodes serve many DLUR nodes distributed across the APPN backbone A DLUR node can establish pipes with several DLUS nodes although a single PU2 0 device can receive traffic from only one of them because the device is only controlled by a single SSCP When the SSCP and the PU2 0 device exchange control flows BINDs establish the path th
109. tor RSCV In APPN end nodes TRS uses the local database to select possible transmission groups from the end node to an adjacent node In APPN network nodes TRS uses the information provided by the two end nodes together with the information in the network node s COS and topology database to select a route Configuration Services Configuration services CS manages links to adjacent APPN nodes The APPN node operator facility NOF initializes configuration services through Site Manager The basic configuration functions are e Node definition e Interfaces e Ports e Adjacent link stations e Connection networks e Directory services Refer to Chapter 3 Editing APPN Parameters for detailed information on configuring APPN nodes Management Services Management services MS controls and monitors the node s resources If an error condition occurs APPN receives or generates event messages about resources and conditions For information on the APPN event messages refer to Event Messages for Routers and BNX Platforms 1 21 Configuring APPN Services For More Information about APPN For more information about APPN IBM SNA and related subjects refer to the following IBM publications IBM Systems Network Architecture LU6 2 Reference Peer Protocols SC31 6808 IBM Systems Network Architecture APPN Architecture Reference SC30 3422 IBM Systems Network Architecture Management Services SC30 3346 I
110. tory entries 1 3 6 1 4 1 18 3 5 14 4 3 1 4 Parent Name None None Specifies the fully qualified APPN node name NETID NAME that owns the selected LU name from the list By default the NETID portion of the parent name is the previously configured Local Node Name parameter as specified on the Edit APPN Global Parameters window Figure 3 2 Enter the fully qualified APPN node name in the format NETID NAME Type up to 8 characters for the network ID name follow with a period then a control point name with up to 8 characters You must use uppercase characters only and the first character must be non numeric Blank spaces leading trailing and embedded are not allowed in the node name For example NETWORKA SYSTEMA is a valid entry for the Parent Name parameter 1 3 6 1 4 1 18 3 5 14 4 3 1 5 3 68 Editing APPN Parameters Parameter Parent Type Default ENCP End Node Control Point Options NNCP Network Node Control Point ENCP End Node Control Point Function Specifies the node type of the parent either an APPN EN or NN Instructions Click on Values and specify NNCP or ENCP MIB Object ID 1 3 6 1 4 1 18 3 5 14 4 3 1 6 3 Click on Apply to save your changes Adding APPN LU Names to Directory Services To add a qualified LU name to the directory services list display the APPN Directory Entry List window Figure 3 17 and proceed as follows 1 Click on Add The Directory Entry Configuration window appe
111. ts italic text quotation marks screen text vertical line 1 Indicate that you choose the text to enter based on the description inside the brackets Do not type the brackets when entering the command Example if command syntax is ping lt ip_address gt you enter ping 192 32 10 12 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 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 xvi About This Guide Ordering Bay Networks Publications 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
112. umeric value Specifies the maximum number of cached directory entries that APPN stores in the local directory database at any one time The caching can ultimately result in large local directory databases that may include out of date resource entries If the maximum number is reached and if all entries are in use new entries to be cached will replace the oldest cache entries Enter a value large enough for the network being managed Increase the current value if the oldest valid entries are being replaced on a regular basis 1 3 6 1 4 1 18 3 5 14 1 1 31 3 8 Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Parameter Default Options Function Instructions MIB Object ID Editing APPN Parameters Network Locate Timeout in seconds 60 Specify 0 to indicate no timeouts Specifies the length of time in seconds before a network search times out The network search function locates network resources and controls the flow of search requests and replies throughout the network Enter a positive time value in seconds If directory services at the local network node does not receive a search response at the completion of this timeout value the search is terminated When the local network node receives the search response the search is complete 1 3 6 1 4 1 18 3 5 14 1 1 33 TRS Route Tree Cache Size 8 Sp
113. vokes directory services to locate a partner LU Invokes topology and routing services TRS to calculate the optimal route between the origin and destination node Informs management services MS about newly activated or deactivated CP CP sessions Configuring APPN Services Directory Services Directory services DS manages the directory database and locates network resources throughout an APPN network To locate network resources directory services at each node collects resource information and maintains the information in a local directory database Through a CP CP session between an APPN network node and an adjacent APPN end node the APPN network node registers by end node request the APPN end node s resources in its local directory database An APPN network node maintains database entries for e Local resources LUs and the CP e End node resources within the APPN network node s domain e End node or network node resources outside the APPN network node s domain called cross domain resources An APPN end node or low entry networking node maintains database entries for e Local resources e Local resources on adjacent nodes that have peer to peer communication sessions without the presence of an APPN network node or control point in the case of a peer to peer end node and low entry networking node Topology and Routing Services Topology and routing services TRS resides in every APPN network node and in lesser
114. y DB 3 10 Network Locate Timeout 3 9 Route Addition Resistance 3 7 TRS Route Tree Cache Size 3 9 TRS Route Tree Cache Usage Limit 3 9 APPN global parameters editing 3 3 to 3 5 Enable Disable 3 4 Local ID Block 3 5 Local ID Number 3 5 APPN interfaces deleting 3 16 editing 3 14 to 3 16 Interface Enable Disable parameter 3 15 APPN parameters accessing 3 2 descriptions of 2 1 3 1 See also individual parameter names APPN ports adding 3 19 to 3 22 deleting 3 19 editing 3 17 to 3 32 editing advanced parameters 3 23 to 3 32 Index 2 HPR Implicit LS Support parameter 3 31 HPR Link Level Error Recovery parameter 3 31 HPR UI SAP parameter 3 32 Implicit Byte Cost parameter 3 29 Implicit Connection Cost parameter 3 28 Implicit CP Sessions parameter 3 27 Implicit Delay parameter 3 30 Implicit Effective Capacity parameter 3 28 Implicit Limited Resource parameter 3 27 Implicit Link Deactivation Time parameter 3 32 Implicit Security parameter 3 29 Implicit User Defined 1 parameter 3 30 Implicit User Defined 2 parameter 3 30 Implicit User Defined 3 parameter 3 31 Inbound Link Activation Limits parameter 3 25 Link Activation Limit Default Values table 3 26 Local Link Station Role parameter 3 19 3 22 Max I Frame Window parameter 3 24 Max Receive BTU Size parameter 3 24 Max Send BTU Size parameter 3 24 Outbound Link Activation Limits parameter 3 26 Port Addr

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