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Avaya Configuring APPN Services (308963-14.20 Rev 00) User's Manual

1. Topic Page Before You Begin 2 1 Starting APPN over LLC2 Interfaces 2 2 Starting APPN over LLC2 Interfaces Using SRB 2 3 Starting APPN over SDLC 2 5 Before You Begin Before configuring APPN services see Configuring and Managing Routers with Site Manager for instructions on how to start and use Site Manager Also you should have completed the following steps 1 Open a configuration file 2 Specify router hardware if this a local mode configuration file 3 Select the connector on which you are starting APPN 308963 14 20 Rev 00 2 1 Configuring APPN Services Starting 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 start APPN on Ethernet token ring or Nortel Networks synchronous interfaces using frame relay complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window select a link or net module connector that requires a WAN circuit The Add Circuit window opens e DLCI Address for frame relay only e SAP e MAC Address Click on Help or see the para
2. 308963 14 20 Rev 00 Customizing APPN Services Configuring High Performance Routing APPN s high performance routing HPR increases data routing performance and reliability It allows high speed forwarding in intermediate nodes at the Data Link Control layer of SNA operating much faster than the ISR base component in APPN To configure high performance routing complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Global The Edit APPN Global Parameters window opens 4 Click on Advanced The Advanced APPN Global Parameters window opens 5 Set the following parameters HPR Support e HPR Path Switch Controller Support Click on Help or see the parameter descriptions beginning on page A 20 6 Click on OK The Configuration Manager window opens Enabling APPN on an Interface To enable APPN on a router interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Interfaces The APPN Interface List window opens continued 308963 14 20 Rev 00 3 9 Configuring APPN Services Site Manager Procedure continued 4
3. 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Global The Edit APPN Global Parameters window opens Click on Help or see the parameter description on page A 8 4 Set the APPN Enable Disable parameter 5 Click on OK The Configuration Manager window opens APPN network nodes provide routing and networking services to other network nodes and end nodes These services include locating network resources calculating routes and routing sessions Use the following procedures to configure an APPN network node in your network Configuring the Local Node Name ID Block and ID Number To configure the node name ID block and ID number for an APPN router complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens continued 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued You do this 3 Choose Global System responds The Edit APPN Global Parameters window opens 4 Set the following parameters e Local Node Name e Local ID Block e Local ID Number Click on Help or see the parameter descriptions beginning on page A 9 5 Click on OK The Configuration M
4. Function Instructions MIB Object ID MAC Address Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Any unique 48 bit 12 digit hexadecimal MAC level address Specifies a unique MAC level address of the adjacent link station Enter a 12 digit hexadecimal MAC level address in MSB noncanonical format When you configure APPN on an Ethernet interface you must obtain the burned in address of the adapter from the MIB and convert the address from canonical to noncanonical MSB format When you configure APPN on a token ring interface use a Locally Administered Address LAA If an adapter is replaced you will not have to reconfigure the address or any devices that reference the address To configure the LAA for the token ring address change the token ring parameter MAC Address Select to CNFG Then enter the address in the MAC Address Override field For instructions see Configuring Ethernet FDDI and Token Ring Services 1 3 6 1 4 1 18 3 5 14 1 4 1 27 SAP Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Any unique SAP 2 digit hexadecimal value 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 4 1 27 A 50 308963 14 20 Rev 00 Parameter Path Default Options Function Instruc
5. 1 6 low entry networking nodes 1 4 Index 4 MAC Address parameter A 5 A 50 management services 1 23 Max Cached Directory Entries parameter A 13 Max Directory Entries parameter A 12 Max I Frame Window parameter A 30 Max NNS in Topology DB parameter A 14 Max Number of ISR Sessions parameter A 15 Max Receive BTU Size parameter A 29 Max RU Size for ISR Sessions parameter A 16 Max Send BTU Size parameter A 29 A 44 Max TGs in Topology DB parameter A 15 Network Locate Timeout parameter A 13 network nodes 1 3 O Outbound Link Activation Limits parameter A 31 P packet segmentation and reassembly with ISR 1 15 Parent Name parameter A 72 A 75 Parent Type parameter A 73 A 75 Point to Point PPP protocol 1 2 Port Address parameter A 23 Port DLCI Address parameter A 26 Port Enable Disable parameter A 23 Port MAC Address parameter A 26 Port Name parameter A 25 A 40 A 47 Port Number parameter A 26 Port SAP parameter A 27 ports 1 11 Preferred NN Server parameter A 46 Primary DLUS Name parameter A 42 A 52 308963 14 20 Rev 00 product support xix publications hard copy xviii R Rapid Transport Protocol RTP 1 18 to 1 19 end to end error recovery 1 19 end to end flow and congestion control 1 19 non disruptive path switching 1 18 Register with NN parameter A 20 Resource Name parameter A 74 Resource Type parameter A 72 A 74 Route Addition Resistance parameter A 11
6. A 68 C configuration services 1 23 Connection Cost parameter A 58 A 68 Connection Network Name parameter A 64 Connection Network Port Name parameter A 64 A 66 connection networks 1 12 control points in APPN networks 1 6 conventions text xiv CP CP Session Support parameter A 55 customer support xix D data link connection identifier A 4 A 26 A 51 Default Backup DLUS Name parameter A 19 Default DLUS Name parameter A 18 Delay parameter A 59 A 69 dependent logical unit requester DLUR configuring 3 8 operations 1 7 sample network using 1 9 dependent logical unit server DLUS configuring 3 8 operations 1 8 sample network using 1 9 directory services configuring 3 4 description of 1 22 308963 14 20 Rev 00 DLCI Address parameter A 4 A 51 DLUR Implicit LS Support parameter A 36 DLUR Support Enable Disable parameter A 17 DLUR DLUS RSCYV Storage parameter A 19 DSPU Name parameter A 43 A 52 DSPU NO XID A 41 DSPU XID A 41 E Effective Capacity parameter A 57 A 67 Enable DLUR Support for this LS parameter A 42 A 51 Enable Disable parameter A 40 A 62 A 65 A 71 end nodes 1 3 Endpoint Session RSCV Storage parameter A 12 Ethernet 1 2 F FDDI 1 2 frame relay 1 2 H high performance routing HPR automatic network routing 1 20 configuring 3 9 description of 1 16 Rapid Transport Protocol 1 18 HOST XID 3 A 41 HPR Implicit LS Support parameter A 3
7. APPN Services on page 1 21 for information on the topology database and COS definitions 308963 14 20 Rev 00 1 9 Configuring APPN Services Interfaces Ports and Link Stations APPN configurations comprise interfaces ports and link stations Figure 1 5 shows how interfaces ports and link stations in a simple APPN network relate Note In this guide the term interface has the same meaning as data link control DLC in IBM publications VEN APPN NNA Interface E51 LLC2 DLC00001 PORTOOO1 APPN ENA APPN ENB APPN LENC APNOOO4A Figure 1 5 Interface Port and Link Station Relationship 308963 14 20 Rev 00 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 interfaces on Nortel Networks network nodes For information on adding and enabling APPN interfaces on Nortel Networks network nodes refer to Chapter 2 Starting APPN Services A port provides a unique ac
8. Route Addition Resistance Configuration Manager gt Protocols gt APPN gt Global gt Advanced 128 0 to 255 Indicates the relative desirability of using this network node for ISR when multiple paths exist Enter a value from 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 308963 14 20 Rev 00 A 11 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Endpoint Session RSCV Storage Configuration Manager gt Protocols gt APPN gt Global gt Advanced 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 Max Directory Entries Configuration Manager gt Protocols gt APPN gt Global gt Advanced 0 A value of 0 indicates an unlimited number of entries otherwise any p
9. S SAP parameter A 4 A 50 SDLC Address parameter A 7 A 27 A 51 Security parameter A 59 A 69 Session services 1 21 source routing bridge SRB 1 2 support Nortel Networks xix Switched Multimegabit Data Service SMDS 1 2 T Target Pacing Count parameter A 45 technical publications xviii technical support xix Technician Interface A 2 Telecommunications 1 8 text conventions xiv TG Number parameter A 55 token ring 1 2 topology and route services configuring 3 7 description of 1 22 Total Link Activation Limits parameter A 30 TRS Route Tree Cache Size parameter A 14 TRS Route Tree Cache Usage Limit parameter A 14 308963 14 20 Rev 00 U Use Default TG Characteristics parameter A 57 User Defined 1 parameter A 59 A 69 User Defined 2 parameter A 60 A 70 User Defined 3 parameter A 60 Vv Virtual Ring Number parameter A 6 W wildcards using with directory entries 3 5 Index 5
10. frame relay and Point to Point protocols PPPs e SDLC links in point to point and multipoint configurations The Nortel Networks APPN implementation complies with Version 2 of the IBM APPN Network Node specification with advanced optional APPN function sets Large APPN networks typically consist of the following e A WAN APPN backbone e Many potentially thousands of local branch sites each with end nodes ENs low entry networking nodes LENs and dependent logical units physical units that reside on a LAN As many as two network nodes NNs serve each branch site Each NN maintains a topology database which records every NN and transmission group in the network As the number of nodes increases the size of the topology database may exceed the available storage on an NN Also as nodes and their transmission groups are brought up and down the topology information is propagated to every NN in the network In large APPN networks these topology updates use significant bandwidth To reduce the APPN topology database size and the excessive data flows over the WAN links you can incorporate APPN branch networks nodes BrNNs Note This document uses the term APPN branch network node BrNN which is also known as APPN branch extender node 1 2 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview APPN Node Types APPN supports the following node types e Network nodes e End nodes e Branch network node
11. gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 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 Implicit Delay Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 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 A 34 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Implicit User Defined 1 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 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 Configuration Manager gt Protoc
12. performance or implementation of the Software and user manuals that is confidential to Nortel Networks and its licensors however Licensee may grant permission to its consultants subcontractors and agents to use the Software at Licensee s facility provided they have agreed to use the Software only in accordance with the terms of this license 3 Limited warranty Nortel Networks warrants each item of Software as delivered by Nortel Networks and properly installed and operated on Nortel Networks hardware or other equipment it is originally licensed for to function substantially as described in its accompanying user manual during its warranty period which begins on the date Software is first shipped to Licensee If any item of Software fails to so function during its warranty period as the sole remedy Nortel Networks will at its discretion provide a suitable fix patch or workaround for the problem that may be included in a future Software release Nortel Networks further warrants to Licensee that the media on which the Software is provided will be free from defects in materials and workmanship under normal use for a period of 90 days from the date Software is first shipped to Licensee Nortel Networks will replace defective media at no charge if it is returned to Nortel Networks during the warranty period along with proof of the date of shipment This warranty does not apply if the media has been damaged as a result of accident misuse or abuse T
13. 3 19 Adding an APPN Connection Network Port EERS EE EE BG GREG EERS MEERENSEE EES gee 3 20 Enabling an APPN Connection Network Port see esse ed ese de ee ee ee ee ee 3 21 Customizing an APPN Connection Network Port ees es ees eke ee RA ee ee 3 21 Configuring an APPN Branch Network Node eee Serr aa i E a922 Enabling BNN SUPPOTE mirisan nett oer emer EK ed Ane Ee A E aa E S 3 23 Registering Branch Resources iese ee see ee Ee ee EP PE 3 23 Defining BrNN Uplinks and DowWrliNKE siccscsecsssscacceiivsesssnascsarsstenisessnaiveervneieesereess 3 24 Defining a Preferred Network Node Server ME RE EE 3 25 Defining the Link Type for Implicit Link Stations iese ee P betes 3 26 APP BINN Configuration Examples sissies siete aii 3 27 Cascaded BrNNs EE abet ee EE T Eie stasie ge aad ee 3 28 Poer BINNS RE RR EE RE 3 29 BINNS in Connection NGTWORKS ass Rd RSA EA RARR KA ER AE ERA SAKE Ke Re dest AE NA 3 30 Appendix A Site Manager Parameters Using the Parameter Descriptions iS ie EES Res E Se Rey a ee Ve Reg Ge Ge eek ee ese Pe APPN Local Node Name Configuration Parameter AE EE E AS A 2 APPN FR Configuration Parameters EE E E A 3 APPN Virtual Ring Number Configuration Parameter eise ee esse ee ee ee ke ee ee ee ee A 5 APPN SDLC Address Configuration Parameter oe RE aetna A 6 308963 14 20 Rev 00 vii APPN Global Parameters este De ENE DE a
14. A 51 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Primary DLUS Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable Specifies the fully qualified name of the DLUS node that will serve the PU 2 0 link station Type up to 8 characters for the network ID name type 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Up to 8 alphanumeric uppercase characters Specifies the name of the downstream physical unit DSPU supported by DLUR Enter up to 8 alphanumeric uppercase characters with no blank spaces leading t
15. CP LU LU sessions sessions APNOOO2A Figure 1 3 CP CP and LU LU Sessions In Figure 1 3 APPN C registers its local resources with APPN B and sends reguests 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 Dependent Logical Unit Reguester and Server APPN s Dependent Logical Unit Requester DLUR supports LU type 0 1 2 3 and LU 6 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 308963 14 20 Rev 00 1 7 Configuring APPN Services DLUR works with the dependent logical unit server DLUS component of the Virtual Telecommunications Access Method VTAM 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 PU 2 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
16. Capacity Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 308963 14 20 Rev 00 A 57 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Connection Cost Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 128 0 to 255 Specifies the relative cost per connect time of using a TG to the adjacent link station 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 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 indicat
17. Figure 1 8 Figure 1 9 Figure 1 10 Figure 1 11 Figure 3 1 Figure 3 2 Figure 3 3 Figure A 1 Figure A 2 Figure A 3 Figure A 4 Figure A 5 Figure A 6 Figure A 7 Figure A 8 Figure A 9 Figure A 10 Figure A 11 Figure A 12 Figure A 13 Figure A 14 Figure A 15 Figures APPN Network with Different Node Types ss ee ee ee se ee ee ee ee ee 1 5 APPN Network Using Branch Network Nodes sesse esse ee ee 1 6 CP CP and LU LU Sessions ees ee ke ee AE ER EG 1 7 DLUR and DLUS in an APPN Network ese see ee ee ee ee Re Re ee 1 9 Interface Port and Link Station Relationship iese ee RA 1 10 Sample APPN Connection Network ee ee ee AA AA ee ee 1 13 Nonadjacent LU LU Session Through an Intermediate Node 1 14 APPN ISR Routing Functions in SNA Architecture REEDE RES G SEER 1 15 APPN HPR Routing Functions in SNA Architecture 1 17 HPR RTP Connection Supporting APPN Sessions iese esse ee ee ee 1 18 HPR ANR Routing and Packet Handling Operations sesse MEE se led APPN Network Using Cascaded BrNNS iese see ke ek AR 3 28 APPN Network Using Peer BrNNS i iese ee ke Re ee ee ee 3 29 BrNNs in Connection Networks c cccsceeeeseeeeeeeeeeeeaeeeeeeeeteeaeeeeeaeeees 3 30 APPN Local Node Name Configuration Window n A 2 aa ase ee dies EA EE wn A 3 APPN Virtual Ring Number Configuration Window n se A 6 APPN SDLC Address Configurati
18. Nonpaced Intermediate Session Traffic 1400 High Performance Routing 1401 RTP Tower 1402 Control Flows over RTP Tower B 4 308963 14 20 Rev 00 A adaptive pacing with ISR 1 15 adaptive rate based ARB congestion control 1 19 Adjacent BrNN Support parameter A 46 Adjacent Link Station Name parameter A 49 Adjacent Node Block Number parameter A 43 A 53 Adjacent Node ID Number parameter A 43 A 53 Adjacent Node Name parameter A 41 A 49 Adjacent Node Type parameter A 41 Advanced Peer to Peer Networking APPN connection networks described 1 12 control points 1 6 enabling on an interface 3 9 on the router 3 2 end nodes described 1 3 interfaces described 1 11 link stations described 1 11 LLC2 media support 1 2 logical units LUs 1 6 low entry networking nodes described 1 4 network nodes described 1 3 node types 1 3 overview of 1 2 ports described 1 11 sample network 1 5 SDLC media 1 2 services 1 21 source routing bridge encapsulation on 1 2 starting over LLC2 interfaces 2 2 over LLC2 using SRB 2 3 over SDLC 2 5 APPN adjacent link stations Adjacent BrNN Support parameter A 46 Adjacent Link Station Name parameter A 49 308963 14 20 Rev 00 Index Adjacent Node Block Number parameter A 43 A 53 Adjacent Node ID Number parameter A 43 A 53 Adjacent Node Name parameter A 41 A 49 Adjacent Node Type parameter A 41 Automatic Activation parameter A 56 Backup DLUS Na
19. Separates choices for command keywords and arguments Enter only one of the choices Do not type the vertical line when entering the command Example If the command syntax is show ip alerts routes you enter either show ip alerts or show ip routes but not both This guide uses the following acronyms ANR APPN BrNN COS CP DLC DLCI Automatic Network Routing Advanced Peer to Peer Networking branch network node class of service control point data link control data link connection identifier 308963 14 20 Rev 00 XV Configuring APPN Services DLUR DLUS DS DSPU EN EP FDDI FQPCID GDS HPR ISR LAN LANE LEN LLC LU MAC MDS MIB MSB NN NNS PCID PPP PU RSCV RTP SAP SATF dependent logical unit requester dependent logical unit server directory services downstream physical unit end node entry point Fiber Distributed Data Interface fully qualified procedure correlation identifier general data stream high performance routing intermediate session routing local area network local area network emulation low entry networking logical link control logical unit media access control multiple domain support management information base most significant byte network node network node server procedure correlation identifier Point to Point Protocol physical unit route selection control vector Rapid Transport Protocol service access point shared access transport facility xv
20. System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Interfaces Click on the interface you want to modify The APPN Interface List window opens Click on Ports The APPN Port List window opens ARE N Click on the port whose parameters you want to edit Set the following parameters e Port Address e Local Link Station Role Click on Help or see the parameter descriptions beginning on page A 23 8 Click on Apply to save your changes 9 Click on Done to exit the window The APPN Interface List window opens 10 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 Customizing an APPN Port Customizing APPN Services To specify the maximum BTU size that a port can send or receive to specify the total inbound and outbound link activation limits for this port or to specify transmission costs complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols Choose APPN The Protocols menu opens The APPN menu opens Choose Interfaces The APPN Interface List window opens Click on the interface you want to modify Click on Ports The APPN Port List window opens ARE N Click on the port whose parameters you
21. Using Peer BrNNs 308963 14 20 Rev 00 3 29 Configuring APPN Services BrNNs in Connection Networks In the following configuration BrNN A and BrNN B have defined a connection network NETO1 VRN The connection network routes the LU C LU D session directly between the BrNNs The backbone does not need to provide intermediate session routing high performance routing ISR HPR APPN end node LU C BrNN A PU 2 0 Peat LS to NETO1 VRN APPN backbone network over ATM LANE Connection network NETO1 VRN LS to EES NETO1 VRN EE BrNN B LU A LUs APPN LEN node session APPN end node LU D APNO016A Figure 3 3 BrNNs in Connection Networks 3 30 308963 14 20 Rev 00 Appendix A Site Manager Parameters This appendix describes the APPN service parameters in the order listed in the Site Manager windows The parameters are organized as follows Topic Page APPN Local Node Name Configuration Parameter A 2 APPN FR Configuration Parameters A 3 APPN Virtual Ring Number Configuration Parameter A 5 APPN SDLC Address Configuration Parameter A 6 APPN Global Parameters A 7 Advanced APPN Global Parameters A 10 APPN Interface List Parameter A 21 APPN Port List Parameters A 22 APPN FR Port Configurat
22. 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 128 0 to 255 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 typically is 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 308963 14 20 Rev 00 A 33 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Implicit Byte Cost Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 128 0 to 255 Specifies the relative cost of transmitting a byte over this TG to a dynamic link station 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 Configuration Manager
23. added port 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 3 1 15 308963 14 20 Rev 00 A 25 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Port Number Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add None Any unique 3 digit number Specifies a unique number to identify this port if more than one port is configured 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add None Valid range changes based on the frame relay address length as follows e Ifthe address length is 2 bytes the range is 16 to 1007 e Ifthe address length is 3 bytes the range is 1024 to 64511 e Ifthe address length is 4 bytes the range is 131072 to 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add None Any unique 48 bit 12 digit h
24. 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 Intermediate network node B Network node A LU a Figure 1 7 LU A to LU C session NNB lt de LU A to LU C ISR services session End node C LU C APNO006A Nonadjacent LU LU Session Through an Intermediate Node In Figure 1 7 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 an SC for each session passing through it Figure 1 8 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 308963 14 20 Rev 00 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 Session L con
25. 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable 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 5 14 1 4 1 31 A 56 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Use Default TG Characteristics Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced Yes Yes 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
26. link station is a PU 2 0 node to be serviced by DLUR A 38 308963 14 20 Rev 00 Site Manager Parameters Delete Advanced Apply Values pd ge Enable Disable Port Name Adjacent Node Name NETID NAME Adjacent Node Type Enable DLUR Support for this LS Primary DLUS Name NETID NAME Figure A 11 APPN Adjacent Link Station List Window 308963 14 20 Rev 00 A 39 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Disable Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 reenable the adjacent link station 1 3 6 1 4 1 18 3 5 14 1 4 1 2 Port Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations None Up to 8 alphanumeric uppercase characters Specifies the name of the port supporting the adja
27. network port complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Connection Networks The APPN Connection Network List window opens Click on the connection network whose ports you want to edit Click on Ports Set the Enable Disable parameter Click on Help or see the parameter description on page A 65 The APPN Connection Network Port List window opens 7 Click on Apply to save your changes 8 Click on Done Click on Done The APPN Connection Network List window opens The Configuration Manager window opens Customizing an APPN Connection Network Port To customize an APPN connection network port complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens continued 308963 14 20 Rev 00 3 21 Configuring APPN Services Site Manager Procedure continued You do this 3 Choose Connection Networks System responds The APPN Connection Network List window opens The connection network name that you selected appears in the title bar Click on the connection network whose ports you want to ed
28. networks require link definitions at a network node for any directly connected nodes To add an APPN connection network complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Connection Networks The APPN Connection Network List window opens 4 Click on Add The Connection Network Configuration window opens 5 Set the following parameters e Connection Network Name e Connection Network Port Name Click on Help or see the parameter descriptions beginning on page A 64 6 Click on OK The APPN Connection Network List window opens 7 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 Enabling an APPN Connection Network Customizing APPN Services To enable an APPN connection network complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Connection Networks The APPN Connection Network List window opens Click on the connection network that you want to enable or disable Set the Enable Disable parameter Click on Help or see the parameter description on page A 62 6 Clic
29. on Advanced The Advanced APPN Global Parameters window opens Set the following parameters e TRS Route Tree Cache Size e TRS Route Tree Cache Usage Limit e Max NNs in Topology DB e Max TGs in Topology DB Click on Help or see the parameter descriptions beginning on page A 14 Click on OK The Configuration Manager window opens 308963 14 20 Rev 00 Configuring APPN Services Configuring the Dependent Logical Unit Requester and Server The dependent logical unit requester DLUR and the dependent logical unit server DLUS components in an APPN network allow the mainframe based system services control point SSCP and the PU 2 0 device to exchange control flows across the APPN backbone To configure the dependent logical unit requester and server complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN 3 Choose Global The APPN menu opens The Edit APPN Global Parameters window opens 4 Click on Advanced 5 Set the following parameters e DLUR Support Enable Disable e Default DLUS Name e Default Backup DLUS Name e DLUR DLUS RSCV Storage Click on Help or see the parameter descriptions beginning on page A 17 The Advanced APPN Global Parameters window opens 6 Click on OK The Configuration Manager window opens
30. parameter 1 3 6 1 4 1 18 3 5 14 4 3 1 5 A 72 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Parent Type Configuration Manager gt Protocols gt APPN gt Directory Entries ENCP End Node Control Point NNCP Network Node Control Point ENCP End Node Control Point Specifies the node type of the parent 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 Directory Entry Configuration Parameters The Directory Entry Configuration window Figure A 21 allows you to add a qualified LU name to the directory services list Cancel 0K Values Help Resource Name NETID NAME EAYNET Resource Type LU Parent Name NETID NAME BAYNET Parent Type Figure A 21 Directory Entry Configuration Window 308963 14 20 Rev 00 A 73 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Resource Name Configuration Manager gt Protocols gt APPN gt Directory Entries gt Add None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle b
31. provision applies to all Software acquired for use within the European Community If Licensee uses the Software within a country in the European Community the Software Directive enacted by the Council of European Communities Directive dated 14 May 1991 will apply to the examination of the Software to facilitate interoperability Licensee agrees to notify Nortel Networks of any such intended examination of the Software and may procure support and assistance from Nortel Networks 7 Term and termination This license is effective until terminated however all of the restrictions with respect to Nortel Networks copyright in the Software and user manuals will cease being effective at the date of expiration of the Nortel Networks copyright those restrictions relating to use and disclosure of Nortel Networks confidential information shall continue in effect Licensee may terminate this license at any time The license will automatically terminate if Licensee fails to comply with any of the terms and conditions of the license Upon termination for any reason Licensee will immediately destroy or return to Nortel Networks the Software user manuals and all copies Nortel Networks is not liable to Licensee for damages in any form solely by reason of the termination of this license 8 Export and re export Licensee agrees not to export directly or indirectly the Software or related technical data or information without first obtaining any required expor
32. reverses traffic to follow different routes through the network and also recovers traffic that was lost at the time of failure 308963 14 20 Rev 00 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 co
33. routing over this connection network Select Enable to enable or reenable APPN routing over this connection network MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 6 1 2 A 62 308963 14 20 Rev 00 Site Manager Parameters Connection Network Configuration Parameters The Connection Network Configuration window Figure A 16 allows you to add a connection network to an APPN configuration Connection Network Configuration Values Help Connection Network Name NETID NAME EAYNET Connection Network Port Name Figure A 16 Connection Network Configuration Window 308963 14 20 Rev 00 A 63 Configuring APPN Services Parameter Connection Network Name Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Add Default None Options Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these indicate a variable to be substituted Function 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 A 5 Instructions Following the default NET D name and the period enter a
34. tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Adjacent Link Stations The APPN Adjacent Link Station List window opens To add adjacent link stations that you want to define as BrNN uplinks or downlinks click on Add To edit existing APPN adjacent link stations to define them as uplinks or downlinks go to step 7 The APPN Adjacent Link Station Port Configuration window opens Set the Port Name parameter Click on Help or see the parameter description on page A 40 Click on OK The APPN Adjacent Link Station List window opens Click on the link station that you want to define as a BrNN uplink or downlink continued 3 24 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued You do this 8 Set the following parameters e Branch Link Type e Adjacent BrNN Support Click on Help or see the parameter descriptions beginning on page A 45 9 Click on Apply to save your changes System responds 10 Click on Done to exit the window The Configuration Manager window opens Defining a Preferred Network Node Server When a link between a BrNN and its NNS goes down the BrNN tries to register with another NN over an uplink When the original connection c
35. the PU 2 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 PU 2 0 device at the DLUR side of the pipe The CP SVR pipe is a pair of LU 6 2 sessions that encapsulate the SSCP control flows Figure 1 4 illustrates the DLUR and DLUS components in APPN 1 8 308963 14 20 Rev 00 PU 2 0 Figure 1 4 Advanced Peer to Peer Networking Overview SSCP sessions APPN network node encapsulated in with DLUR CP SVR pipe CP SVR pipe CEO vra with DLUS LU LU i LU sessions natively routed by oes APPN network VTAM APNO003A 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 PU 2 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 that 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
36. the Branch Extender Support parameter to Enable Click on Help or see the parameter description on page A 10 Click on OK The Configuration Manager window opens Registering Branch Resources When a BrNN learns about new domain resources it can do one of the following Register with the NNS only resources that are located on the BrNN Register all known domain resources including all of the BrNNs own resources If domain ENs register resources the BrNN forwards these to the NNS Perform no registration of branch resources to the NNS To specify the type of registration if any that the BrNN performs complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens continued 308963 14 20 Rev 00 3 23 Configuring APPN Services Site Manager Procedure continued You do this 3 Choose Global System responds The Edit APPN Global Parameters window opens Click on Advanced Set the Register with NN parameter Click on Help or see the parameter description on page A 20 The Advanced APPN Global Parameters window opens Click on OK The Configuration Manager window opens Defining BrNN Uplinks and Downlinks To define BrNN uplinks and downlinks complete the following
37. 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 ii 308963 14 20 Rev 00 Nortel Networks NA Inc Software License Agreement NOTICE Please carefully read this license agreement before copying or using the accompanying software or installing the hardware unit with pre enabled software each of which is referred to as Software in this Agreement BY COPYING OR USING THE SOFTWARE YOU ACCEPT ALL OF THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT THE TERMS EXPRESSED IN THIS AGREEMENT ARE THE ONLY TERMS UNDER WHICH NORTEL NETWORKS WILL PERMIT YOU TO USE THE SOFTWARE If you do not accept these terms and conditions return the product unused and in the original shipping container within 30 days of purchase to obtain a credit for the full purchase price 1 License grant Nortel Networks NA Inc Nortel Networks grants the end user of the Software Licensee a personal nonexclusive nontransferable license a to use the Software either on a single computer or if applicable on a single authorized device identified by host ID for which it was originally acquired b to copy the Software solely for backup purposes in support of authorized use of the Software and c to use and copy the associated user manual solely in support of authorized use
38. want to edit N Click on Advanced The APPN Port window opens 8 Set the following parameters Max Receive BTU Size Max Send BTU Size Max I Frame Window Total Link Activation Limits Inbound Link Activation Limits Outbound Link Activation Limits Implicit CP Sessions Implicit Limited Resource Implicit Effective Capacity Implicit Connection Cost e Implicit Byte Cost Click on Help or see the parameter descriptions beginning on page A 29 9 Click on OK The APPN Port List window opens 10 Click on Done The APPN Interface List window opens 11 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 Configuring APPN Services Configuring Adjacent Link Stations The following sections describe how to Add an adjacent link station Enable an adjacent link station Change an adjacent link station Customize an adjacent link station Adding an Adjacent Link Station To add an APPN adjacent link station complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN 3 Choose Adjacent Link Stations Click on Add The APPN menu opens The APPN Adjacent Link Station List window opens The APPN Adjacent Link Station Port Configuration window opens Set the Port Name parameter Click on Help
39. 08963 14 20 Rev 00 3 15 Configuring APPN Services Changing an Adjacent Link Station To change an adjacent link station complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Adjacent Link Stations The APPN Adjacent Link Station List window opens 4 Click on the adjacent link station whose parameters you want to edit The APPN Adjacent Link Station Port Configuration window opens 5 Set the following parameters Port Name Adjacent Node Name Adjacent Node Type Enable DLUR Support for this LS e Primary DLUS Name Click on Help or see the parameter descriptions beginning on page A 40 6 Click on OK The APPN Adjacent Link Station Configuration window specific to your network opens 7 Set the following parameters e Adjacent Link Station Name e Adjacent Node Name e Address parameters for the specific network MAC SAP DLCI SDLC Enable DLUR Support for this LS Primary DLUS Name DSPU Name Adjacent Node ID Number e Adjacent Node Block Number Click on Help or see the parameter descriptions beginning on page A 49 8 Click on OK The APPN Adjacent Link Station List window opens 9 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 Customizing APPN Ser
40. 3674 1 3 6 1 4 1 18 3 5 14 1 1 38 ISR Congestion Threshold Configuration Manager gt Protocols gt APPN gt Global gt Advanced 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 A 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 308963 14 20 Rev 00 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID ISR Decongestion Threshold Configuration Manager gt Protocols gt APPN gt Global gt Advanced 800 Any positive numeric 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 positi
41. 6 Rapid Transport Protocol EERES ED SERE USE GE EER ss E 1 18 Nopdisruptive Path SWIMME sessies ve Es EI ei SEER VEE ESE DES 1 18 End to End Error ecauery sct cccsscnvticcennict oieciaetieaneisnertitelncaieecrmnedne 1 19 End to End Flow and Congestion Control ees Ge centers 1 19 Automate Nowork FOUNO esse ge N es N nora 1 20 ER EDE EE OE EE Ad Ee Ee N eN 1 20 EE vy ns AR AE EE 1 20 SOE POE ai ee OR ee De EE ES Ge 1 20 APPN Services users ies EEd de EE EE ma 1 21 Session Services penina EEE E E ee Er as 1 21 El SOE I e E E E T E E E EE A TT evi AI 1 22 Topology and Routing Services ees ee Re RA ee RE 1 22 cela eC Ue SEP ERE ene EE GEE EG DR N Ge ES 1 23 Management Services si ED aia Eg GES GRA AG Ve ee 1 23 Chapter 2 Starting APPN Services EE ele ed EE RE ER DAN 2 1 Starting APPN over LLC2 Interfaces sees se RR ee ee RT 2 2 Starting APPN over LLC2 Interfaces Using SRB oe ceeeeesseessececceesrerseeessnereneeesneesaes 2 3 Starto Ber ES Ee N RA ER ER EE EN 2 5 Chapter 3 Customizing APPN Services Enabling APPN on the ROUS rasend Ese Ree reere irer eters err Se LN GEE Ee rent yee rier eee rere GEE eg 3 2 Configuring an APPIN Network Mode sirensis inbidia i Ea 3 2 Configuring the Local Node Name ID Block and ID Number sees sesse ee SEP Configuring Intermediate Session Routing i sesse eke ek RA Re ke ek 3 3 Configuring Directory Services E me RE EE E E Ad Adding APPN Direclory Si AE MT 3 5 Enabling A
42. 6 HPR Path Switch Controller Support parameter A 20 HPR Support for this LS parameter A 45 HPR Support parameter A 20 HPR UI SAP parameter A 37 Implicit Byte Cost parameter A 34 Implicit Connection Cost parameter A 33 Implicit CP Sessions parameter A 32 Index 3 Implicit Delay parameter A 34 Implicit Effective Capacity parameter A 33 Implicit Limited Resource parameter A 32 Implicit Link Deactivation Time parameter A 37 Implicit Security parameter A 34 Implicit Uplink to EN parameter A 38 Implicit User Defined 1 parameter A 35 Implicit User Defined 2 parameter A 35 Implicit User Defined 3 parameter A 35 A 70 Inbound Link Activation Limits parameter A 31 Interface Enable Disable parameter A 21 interfaces 1 11 intermediate session routing adaptive pacing 1 15 configuring 3 3 description of 1 14 packet segmentation and reassembly 1 15 ISR Congestion Threshold parameter A 15 ISR Decongestion Threshold parameter A 16 ISR Receive Pacing Window parameter A 16 ISR Session RSCV Storage parameter A 17 L Limited Resource TG parameter A 55 Link Address hex parameter A 44 Link Deactivation parameter A 61 link stations 1 11 LLC Error Recovery Under HPR parameter A 36 A 60 LLC2 starting APPN over 2 2 Local ID Block parameter A 9 Local ID Number parameter A 10 Local Link Station Role parameter A 24 A 27 Local Node Name parameter A 3 A 9 logical units LUs in APPN networks
43. 6 1 4 1 18 3 5 14 4 3 1 5 Parent Type Configuration Manager gt Protocols gt APPN gt Directory Entries gt Add 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 308963 14 20 Rev 00 A 75 Appendix B APPN Base and Optional Function Sets This appendix gives the base and optional APPN function sets that Nortel Networks supports on routers configured as APPN network nodes Table B 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 034 CD Initiate 035 Reconstruct CD Initiate Reply 036 COS TPF continued 308963 14 20 Rev 00 B 1 Configuring APPN Services Table B 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
44. ABLE Figure A 8 APPN Port List Window A 22 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Port Enable Disable Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports 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 reenable APPN routing over this port 1 3 6 1 4 1 18 3 5 14 1 3 1 2 Port Address Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports 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 308963 14 20 Rev 00 A 23 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Local Link Station Role Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports Negotiable N
45. APPN networks using branch network nodes 308963 14 20 Rev 00 3 27 Configuring APPN Services Cascaded BrNNs In the following configuration BrNN A acts as the NNS for BrNN B BrNN A s domain includes all of the nodes on TR1 and BrNN B BrNN B s domain includes the nodes on TR2 To BrNN A the nodes on TR2 appear to reside on BrNN B APPN end node ia BrNN A rr 7 NNS BrNN A E gt Branch extender APPN backbone node network Mainframe also NNS BrNN B BrNN B Key APPN end node EES EE ee ay Arrows indicate uplink APNO014A Figure 3 1 APPN Network Using Cascaded BrNNs 3 28 308963 14 20 Rev 00 Customizing APPN Services Peer BrNNs In the following configurations the nodes and stations on TR1 can belong to either of the domains BrNN A or BrNN B An EN can register with only one of the BrNNs APPN end node NNS BrNN A BrNN A wy tee APPN backbone eae network i NNS BrNN B Es Mainframe Key gt end node mg Arrows indicate uplink APNOOISA Figure 3 2 APPN Network
46. BayRS Version 14 20 Part No 308963 14 20 Rev 00 October 2000 600 Technology Park Drive Billerica MA 01821 4130 Configuring APPN Services NORTEL _ NETWORKS Copyright 2000 Nortel Networks All rights reserved October 2000 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 Nortel Networks NA 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 The software license agreement is included in this document Trademarks NORTEL NETWORKS is a trademark of Nortel Networks ASN BayRS BaySecure and BayStack are trademarks of Nortel Networks All other trademarks and registered trademarks are the property of their respective owners Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph ODE of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the righ
47. EL NETWORKS OR ITS LICENSORS BE LIABLE FOR ANY COST OF SUBSTITUTE PROCUREMENT SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES RESULTING FROM INACCURATE OR LOST DATA OR LOSS OF USE OR PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE EVEN IF NORTEL NETWORKS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF NORTEL NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO NORTEL NETWORKS FOR THE SOFTWARE LICENSE 5 Government licensees This provision applies to all Software and documentation acquired directly or indirectly by or on behalf of the United States Government The Software and documentation are commercial products licensed on the open market at market prices and were developed entirely at private expense and without the use of any U S Government funds The license to the U S Government is granted only with restricted rights and use duplication or disclosure by the U S Government is subject to the restrictions set forth in subparagraph c 1 of the Commercial Computer Software Restricted Rights clause of FAR 52 227 19 and the limitations set out in this license for civilian agencies and subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause of DFARS 252 227 7013 for agencies of the Department of Defense or their successors whichever is applicable 6 Use of software in the European Community This
48. 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 308963 14 20 Rev 00 B 3 Configuring APPN Services Table B 2 APPN Optional Function Sets Function Set Number Description 1002 Adjacent Link Station Name 1007 Parallel TGs 1011 Multiple Local LUs Session Manager for Local Independent LU 6 2 and Intranode Routing 1012 LU Name CP Name 1018 Delete EN Resources Before Registering 1121 Optimized Peer to Peer Communication 1067 Dependent LU Requester 1107 Central Resource Registration of LUs 1200 Tree Caching and TG Caching 1301
49. Mode local SNMP Agent LOCAL FILE Advanced Values ENA BLE BAYNET ONE DISABLE Figure A 5 Edit APPN Global Parameters Window Parameter APPN Enable Disable Path Configuration Manager gt Protocols gt APPN gt Global Default Enable Options Enable Disable Function 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 Instructions 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 MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 1 2 A 8 308963 14 20 Rev 00 Site Manager Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Local Node Name Configuration Manager gt Protocols gt APPN gt Global None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt CPNAME gt NETID is the global network name with up to 8 characters followed by a perio
50. PPN Directory Entries si sesse disse kiss eR Ger Gee Ge br Gee ke be SN cia en SA RE OR RE KAAR OR EE 3 6 Configuring Topology and Routing Services sees ee RA ER RA RR ee RA 3 7 Configuring the Dependent Logical Unit Requester and Server seese 3 8 Configuring High Performance Routing iese sees ese dee ee Re ee ee ee ee ee eens OTO Vi 308963 14 20 Rev 00 Enatling APPM dit ai MENACE sies etes ses tees VEREER EK RE bee VV ae BENE SO ONSE EN GEE EERS VERS tienes 3 9 Donliourna APPIN Parte ees SE RES EER ees ER GEE es Ee iN ie TE EE 3 10 Adding Ports to an APPN Interface ee SERE ERENS ma REGS Ee EER 3 10 Enabling an ARPA Part ei EE IRIS GR LE Gee RE Seg ed GR ee 3 11 Spacing an EPO POr miiia 3 12 CUSTOMIZING anr AP PIV POTE AE OE OE NE N 3 13 Configuring Adjacent Link Stations sk Ke KA Ke SAREL anniina kaana 3 14 Adding an Adjacent Link Station ee ee ee Se ETE 3 14 Enabling an Adjacent Link SION sis SR GE Ke crashed ela GE ES es 3 15 Changing an Adjacent Link Station ese Re Re ee EE sis 16 Customizing an Adjacent Link Station iese peeeadags mm EER EES EES SERE 3 17 Configuring APPN Connection Networks isi RSA BEL N RA KAR EG GE EN SAG KEER ARE bee Ede 3 18 Adding an APPN Connection Network ee ese ke Re RA ee ee 3 18 Enabling an APPIN Connection Network sissies see RE ees SEER sient EE Se ea a 3 19 Configuring APPN Connection Network Ports esse esse se eek ke ee ek ed Re ee ke dd gee
51. 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 A 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 10 illustrates an RTP connection supporting multiple sessions between endpoint nodes over a logical pipe Multiple RTP connection Multiple sessions over logical pipe sessions EI CEES sc 4 I J i NN NN NN End point node Intermediate node End point node APN0009A Figure 1 10 HPR RTP Connection Supporting APPN Sessions RTP functions include e Nondisruptive path switching e End to end error recovery e End to end flow and congestion control Nondisruptive Path Switching The HPR nondisruptive 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 Nondisruptive path switching forwards and
52. R Configuration Parameters The APPN FR Configuration window Figure A 2 allows you to set the DLCI address for frame relay only MAC address and the SAP 308963 14 20 Rev 00 A 3 Configuring APPN Services Cancel OK Values Help SAP Chex Figure A 2 APPN FR Configuration Window Parameter DLCI Address Path Parameter appears when you first configure APPN Default None Options Valid range changes based on the frame relay address length as follows e Ifthe address length is 2 bytes the range is 16 to 1007 e Ifthe address length is 3 bytes the range is 1024 to 64511 e Ifthe address length is 4 bytes the range is 131072 to 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 Aa 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters SAP Parameter appears when you first configure APPN None Any unique SAP 2 digit hexadecimal value usually 04 with APPN 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 MAC Addr
53. R 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 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 DLUR Support Enable Disable Configuration Manager gt Protocols gt APPN gt Global gt Advanced Disable Enable Disable Enables or disables 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 308963 14 20 Rev 00 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Default DLUS Name Configuration Manager gt Protocols gt APPN gt Global gt Advanced None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 default name of the DLUS node th
54. RKS AND LICENSEE WHICH SUPERSEDES ALL PRIOR ORAL AND WRITTEN AGREEMENTS AND COMMUNICATIONS BETWEEN THE PARTIES PERTAINING TO THE SUBJECT MATTER OF THIS AGREEMENT NO DIFFERENT OR ADDITIONAL TERMS WILL BE ENFORCEABLE AGAINST NORTEL NETWORKS UNLESS NORTEL NETWORKS GIVES ITS EXPRESS WRITTEN CONSENT INCLUDING AN EXPRESS WAIVER OF THE TERMS OF THIS AGREEMENT iv 308963 14 20 Rev 00 Contents Preface Berre NE 212 RE EE AL OR N RR N eN rarer xiii T si rests OE E EE EER EE EA xiv EE LR AE EE OE EE OE N ET XV BEEN ale ies RR EE EE ME EE xviii EE sede An EE OO AA AE Terre errr er xix Chapter 1 Advanced Peer to Peer Networking Overview APPIN N ser die EE EE 1 2 AFPN Nodo TOOS ER EE EE eae N 1 3 red lee EE N N Oo ee N 1 3 End Ee EE EE RE OE weecaneeees 1 3 Branch Network Nodes is ses Ke SEN Rek Kid aa EENren IEEE ek 1 4 Low Enty Networking Nodes as EE ees Ee de Gede RE Ge 1 4 Contre Points and Logical RIES Kie EK RR ES meinen 1 6 Dependent Logical Unit Requester and Server i ei ee ee RR ER AR nne 1 7 hiteraces Ports ard Link Station sei ERK Ed SEER KS EE Ve cane acai ial med eae 1 10 ESE RR OR ee 1 11 PARE EE Ee De Did EE OE EE 1 11 Bi ds EE ER OE Ee EE OE OO OE AE 1 11 Eg eed el EE EA IE EE AE EE EE EA 1 12 intermediate Session ROUN AE RU EE ER 1 14 Packet Segmentation and Reassembly eise ee ke Re Re AR AA Re 1 15 BEDE BOEIEND ee GE EA er nem ee crn nT t 1 15 308963 14 20 Rev 00 v Ela EE n ed te EE i N OE EE 1 1
55. 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 B 2 308963 14 20 Rev 00 APPN Base and Optional Function Sets Table B 1 APPN Base Function 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
56. Specifies the maximum basic transmission unit BTU size that this network node can receive from any station Each link station determines its own maximum BTU size based on local node definitions and exchange identification information received from the interface and the adjacent link station Enter a number in the range 256 to 4105 that the node can handle The minimum setting for HPR links is 768 1 3 6 1 4 1 18 3 5 14 1 3 1 9 Max Send BTU Size Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 1500 256 to 4105 Specifies the maximum basic transmission unit BTU size that can be sent over this port to any station Each link station determines its own maximum send BTU size based on local node definitions and exchange identification information received from the interface and the adjacent link station Enter a number in the range 256 to 4105 For Ethernet networks the maximum send BTU size should be less than or equal to 1500 For synchronous media the maximum send BTU size should be less than or equal to the synchronous maximum transmission unit The minimum setting for HPR links is 768 1 3 6 1 4 1 18 3 5 14 1 3 1 24 308963 14 20 Rev 00 A 29 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Max I Frame Window Configuration Manager gt Protoco
57. Starting APPN over SDLC Starting APPN Services To configure APPN on synchronous interfaces COM1 COM2 and so forth using the SDLC protocol complete the following tasks You do this Site Manager Procedure System responds 1 In the Configuration Manager window select a synchronous interface The Add Circuit window opens 2 Click on OK The WAN Protocols window opens 3 Choose SDLC 4 Click on OK The SDLC Line Parameters window opens 5 Set the following parameters e Clock Source e Internal Clock Speed e Sync Line Coding e Cable Type e RTS Enable For instructions on configuring these parameters see Configuring SDLC Services 6 Click on OK The Select Protocols window opens 7 Choose APPN 8 Click on OK If this is the first interface for which you are configuring APPN the APPN Local Node Name Configuration window opens If this is not the first interface for which you are configuring APPN the APPN SDLC Address Configuration window opens 9 Set the SDLC Address parameter Click on Help or see the parameter description on page A 7 continued 308963 14 20 Rev 00 Configuring APPN Services Site Manager Procedure continued You do this 10 Click on OK System responds The Adjacent Link Station Dialog box opens 11 If you want to set up your APPN adjacent link stations now click on OK Go to Configuring Adjacent Lin
58. The APPN Directory Entry List window Figure A 20 allows you to enable and disable APPN directory services on an LU specify the type of resource for the directory services entry and specify the name and node type of the parent A 70 308963 14 20 Rev 00 Site Manager Parameters APPN Directory Entry List IE ase Add Delete Apply Values Help Enable Disable Resource Type Parent Name NETID NAME Parent Type Figure A 20 APPN Directory Entry List Window Parameter Enable Disable Path Configuration Manager gt Protocols gt APPN gt Directory Entries 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 reenable APPN directory services on this LU MIB Object ID 1 3 6 1 4 1 18 3 5 14 4 3 1 2 308963 14 20 Rev 00 A 71 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Resource Type Configuration Manager gt Protocols gt APPN gt Directory Entries 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 lo
59. You do this Click on the interface on which you want to enable or disable APPN routing System responds Set the Interface Enable Disable parameter Click on Help or see the parameter description on page A 21 Click on Done The Configuration Manager window opens Configuring APPN Ports The following sections describe how to Add ports to an APPN interface Enable an APPN port Specify a port address or the initial role of the local network node when activating adjacent link stations through this port Customize an APPN port Adding Ports to an APPN Interface To add ports to an interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Interfaces The APPN Interface List window opens 4 Click on the interface to which you want to add ports Click on Ports The APPN Port List window opens continued 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued Port Name Port Number Port DLCI Address frame relay only Port MAC Address Port SAP SDLC Address SDLC only Local Link Station Role Click on Help or see the parameter descriptions beginning on page A 25 You do this System responds 6 Click on Add The APPN Port Con
60. al 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 To allow the XID to pass through the node enter 00000 1 3 6 1 4 1 18 3 5 14 1 4 1 11 308963 14 20 Rev 00 A 43 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Link Address hex Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 0x prefix and ends with the SAP value If you choos
61. anager gt Protocols gt APPN gt Connection Networks gt Advanced 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 User Defined 1 Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced 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 308963 14 20 Rev 00 A 69 Configuring APPN Services Parameter User Defined 2 Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced Default 128 Options 0 to 255 Function Specifies the second 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 11 Parameter User Defined 3 Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced Default 128 Options 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 APPN Directory Entry List Parameters
62. anager window opens Configuring Intermediate Session Routing Intermediate session routing ISR provides a reliable connection oriented LU LU session path between nonadjacent APPN nodes To configure intermediate session routing complete the following tasks Site Manager Procedure You do this 1 In the Configuration Manager window choose Protocols System responds The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Global The Edit APPN Global Parameters window opens 4 Click on Advanced The Advanced APPN Global Parameters window opens continued 308963 14 20 Rev 00 Configuring APPN Services Site Manager Procedure continued You do this 5 Set the following parameters Route Addition Resistance Endpoint Session RSCV Storage Max Number of ISR Sessions ISR Congestion Threshold ISR Decongestion Threshold Max RU Size for ISR Sessions ISR Receive Pacing Window e ISR Session RSCV Storage Click on Help or see the parameter descriptions beginning on page A 11 Click on OK System responds The Configuration Manager window opens Configuring Directory Services APPN directory services manages the directory database and locates network resources throughout an APPN network To configure directory services complete the following tasks Site Manager Procedure You do this System responds 1 In th
63. arameter A 36 HPR Implicit LS Support parameter A 36 HPR UI SAP parameter A 37 Implicit Byte Cost parameter A 34 Implicit Connection Cost parameter A 33 Implicit CP Sessions parameter A 32 Implicit Delay parameter A 34 Implicit Effective Capacity parameter A 33 Implicit Limited Resource parameter A 32 Implicit Link Deactivation Time parameter A 37 Implicit Security parameter A 34 Implicit Uplink to EN parameter A 38 Implicit User Defined 1 parameter A 35 Implicit User Defined 2 parameter A 35 Implicit User Defined 3 parameter A 35 Inbound Link Activation Limits parameter A 31 Link Activation Limit Default Values table A 32 LLC Error Recovery Under HPR parameter A 36 Local Link Station Role parameter A 24 A 27 Max I Frame Window parameter A 30 Max Send BTU Size parameter A 29 Outbound Link Activation Limits parameter A 31 Port Address parameter A 23 Port DLCI Address parameter A 26 Port Enable Disable parameter A 23 Port MAC Address parameter A 26 Port Name parameter A 25 Port Number parameter A 26 Port SAP parameter A 27 Total Link Activation Limits parameter A 30 Automatic Activation parameter A 56 308963 14 20 Rev 00 automatic network routing ANR 1 20 to 1 21 fast packet switching 1 20 session transparency 1 20 source routing 1 20 Backup DLUS Name parameter A 56 Branch Extender Support parameter A 10 Branch Link Type parameter A 45 branch network nodes 1 4 Byte Cost parameter A 58
64. at serves the PU2 0 adjacencies configured on this node APPN uses the default name when the DLUR Support Enable Disable parameter is set to Enable and when the DLUR Implicit LS Support parameter is set to Enable for implicit link stations on the port If the DLUR Support Enable Disable parameter is set to Enable type up to 8 characters for the network ID type 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 this parameter 1 3 6 1 4 1 18 3 5 14 1 1 54 A 18 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Default Backup DLUS Name Configuration Manager gt Protocols gt APPN gt Global gt Advanced None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable Specifies the fully qualified default backup name of the DLUS node that serves PU2 0 adja
65. cal 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 Adding APPN Directory Entries on page 3 5 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 Configuration Manager gt Protocols gt APPN gt Directory Entries None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these indicate a variable to be substituted Specifies the fully qualified APPN node name lt NETID gt lt NAME gt 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 A 5 Type up to 8 characters for the network ID name type 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 NETWORKA SYSTEMA is a valid entry for the Parent Name
66. ce List Parameter The APPN Interface List window Figure A 7 allows you to display and enable or disable the current port or ports on an interface APPN Interface List S51 1l1c2 DLC00002 ELS 52 11c2 DLCOOOO4 Delete 54 11c2 DLCOOOOS Sa1 DLCOOOO7 Ports Apply Values Help Je P Interface Enable Disable ENABLE Figure A 7 APPN Interface List Window Parameter Interface Enable Disable Path Configuration Manager gt Protocols gt APPN gt Interfaces 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 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 reenable APPN routing over this interface MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 2 1 2 308963 14 20 Rev 00 A 21 Configuring APPN Services APPN Port List Parameters The APPN Port List Parameter window Figure A 8 allows you to add additional ports to the interface delete ports or edit advanced port parameters E Port List PORTOOO1 TETE PORTOOO2 Add PORTOOOS Delete Advanced Apply Values Help ff __ a at Port Enable Disable ENABLE Port Address hex 0x04 Local Link Station Role NEGOTI
67. cencies configured on this node APPN uses the default backup name when the DLUR Support Enable Disable parameter is set to Enable and when the DLUR Implicit LS Support parameter is set to Enable for implicit link stations on the port If the DLUR Support Enable Disable parameter is set to Enable type up to 8 characters for the network ID name type 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 this parameter 1 3 6 1 4 1 18 3 5 14 1 1 55 DLUR DLUS RSCV Storage Configuration Manager gt Protocols gt APPN gt Global gt Advanced Enable Enable Disable Enables or disables the storage of route selection control vectors RSCVs during DLUR DLUS sessions 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 RSCYV storage Select Disable to disable DLUR DLUS RSCV storage 1 3 6 1 4 1 18 3 5 14 1 1 44 308963 14 20 Rev 00 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function I
68. cent 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 A 40 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Adjacent Node Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable Identifies the name of the network and the adjacent node name Type up to 8 characters for the network ID name type 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 Adjacent Node Type Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations LEARN LEARN NN EN I BACK LEVEL LEN NODE DSPU XID DSPU NO XID Spec
69. cesacdddnetobans Ge Re EE REEN SEE B 1 Table B 2 APPN Optional Function bel site sA SR EERS ELKE RR SG GEE WE ERGE GEE KAREN EER B 4 308963 14 20 Rev 00 Xi Preface This guide describes Advanced Peer to Peer Networking APPN services and what you do to start and customize APPN services on a Nortel Networks router Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router see the installation guide that came with your router e Connect the router to the network and create a pilot configuration file see Quick Starting Routers Configuring BayStack Remote Access or Connecting ASN Routers to a Network Make sure that you are running the latest version of Nortel Networks BayRS and Site Manager software For information about upgrading BayRS and Site Manager see the upgrading guide for your version of BayRS 308963 14 20 Rev 00 xiii Configuring APPN Services Text Conventions This guide uses the following text conventions angle brackets lt gt bold text braces brackets ellipsis points 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 the command syntax is ping ip address you enter ping 192 32 10 12 Indicates command names and options and text that you need to enter Example Enter show ip aler
70. cess point such as a MAC SAP address pair used by the local Nortel 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 308963 14 20 Rev 00 1 11 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 without having to route traffic through an intermediate network node However these end nodes still require definitions to other nodes and the no
71. cess 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 308963 14 20 Rev 00 A 37 Configuring APPN Services Parameter Implicit Uplink to EN Path Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced Default Disable Options Enable Disable Function Identifies as uplinks or downlinks all implicit link stations that an adjacent end node starts Instructions Select Enable to specify the implicit link to an EN as uplink Select Disable to specify the implicit link to an EN as downlink MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 3 1 41 APPN Adjacent Link Station Parameters The APPN Adjacent Link Station List window Figure A 11 allows you to enable or disable adjacent link stations edit the port name adjacent node name and node type and specify whether the adjacent
72. d and CPNAME is the control point name with up to 8 characters Do not enter the angle brackets these are a convention used to indicate a substitutable variable The Local Node Name parameter identifies the unique name of the network and the Nortel Networks router node name Type up to 8 characters for the network ID name type 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 Local ID Block Configuration Manager gt Protocols gt APPN gt Global 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 308963 14 20 Rev 00 A 9 Configuring APPN Services Parameter Local ID Number Path Configuration Manager gt Protocols gt APPN gt Global Default None Options A valid string of 5 hexadecimal digits 0 to 9 A B C D E F Function 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 n
73. d 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 Outbound Link Activation Limits Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 0 0 to 256 see Table A 1 on page A 32 Specifies the maximum outbound link activation limit for this port The value is the maximum number of outbound link stations that the port will allow in this configuration Specify a value in the range 0 to 255 This value plus the current setting 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 308963 14 20 Rev 00 A 31 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Table A 1 Link Activation Limit Default Values Outbound Total Link Inbound Link Link Local Link Activation Activation Activation Port Type Station Role Limit Limits 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 Implicit CP Sessions Configu
74. des 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 6 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 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview EN2 lt EN3 Traffic Virtual routing node NN1 Figure 1 6 EN4 APNOOOSA Sample APPN Connection Network 308963 14 20 Rev 00 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 sessions through the intermediate network node Figure 1 7 At session
75. dvanced Peer to Peer Networking APPN Topic Page APPN Networking 1 2 APPN Node Types 1 3 Control Points and Logical Units 1 6 Dependent Logical Unit Requester and Server 1 7 Interfaces Ports and Link Stations 1 10 Connection Networks 1 12 Intermediate Session Routing 1 14 High Performance Routing 1 16 APPN Services 1 21 Review this chapter if you are responsible for configuring APPN on Nortel Networks routers in your network If you are already familiar with APPN concepts go directly to Chapter 2 for information on starting APPN on a router 308963 14 20 Rev 00 1 1 Configuring APPN Services APPN Networking 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 Nortel 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 Nortel Networks router platforms using local and wide area network facilities as follows e LLC2 media including Ethernet token ring and frame relay e LLC2 using source routing bridge SRB encapsulation formats over Ethernet FDDI SMDS
76. e Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Global The Edit APPN Global Parameters window opens Click on Advanced The Advanced APPN Global Parameters window opens Set the following parameters e Max Directory Entries e Max Cached Directory Entries e Network Locate Timeout Click on Help or see the parameter descriptions beginning on page A 12 Click on OK The Configuration Manager window opens 308963 14 20 Rev 00 Customizing APPN Services Adding APPN Directory Entries 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 add a qualified LU name to the directory services l
77. e 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 1500 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 The minimum setting for HPR links is 768 1 3 6 1 4 1 18 3 5 14 1 4 1 14 A 44 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Target Pacing Count Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 consump
78. e to the branch nodes Since the BrNN presents an EN image to the backbone it does not send or receive topology updates the BrNN prevents topology updates from flowing from the WAN backbone to the branch nodes As a result the BrNN reduces traffic on the WAN links to the branches and eliminates the risk of exceeding the topology database storage capability of branch access devices When you configure a BrNN as described later in the section Configuring an APPN Branch Network Node in Chapter 3 you must specify the image that you want the BrNN to present on its adjacent link stations To do this you identify the link station as uplink or downlink Uplinks are link stations to which the BrNN presents an EN image Downlinks are link stations on which the BrNN presents an NN image By default all link stations are downlinks The BrNN can provide network node services to its branch over as many link stations uplinks or downlinks as you define Likewise a BrNN can receive network node service from an uplink network node server NNS over as many link stations as you define However since the BrNN presents an EN image on uplinks it can have only one NNS at a time When a link between a BrNN and an NNS goes down the BrNN tries to register with another NN over an uplink When the original connection comes back up the BrNN does not re register with its original NNS Site Manager allows you to specify a preferred NNS that you want the BrNN to
79. egotiable 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 that one link station takes the role of primary link station and one link station takes 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 APPN FR Port Configuration Parameters The APPN FR Port Configuration window Figure A 9 allows you to configure the port that you want to add to the interface Note 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 A 24 308963 14 20 Rev 00 Site Manager Parameters APPN FR Port Configuration Port Name Port Number Cancel OK Port DLCI Address Port SAP Chex Local Link Station Role NEGOTIABLE Figure A 9 Parameter Path Default Options Function Instructions MIB Object ID APPN FR Port Configuration Window Port Name Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add None Up to 8 alphanumeric uppercase characters Specifies the name of the newly
80. es CP CP sessions to exchange network information and assists LUs in initiating and activating LU LU sessions Session services e Invokes directory services to locate a partner LU e Invokes topology and routing services TRS to calculate the optimal route between the origin and destination node e Informs management services about newly activated or deactivated CP CP sessions 308963 14 20 Rev 00 1 21 Configuring APPN Services Directory Services Directory services 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
81. es 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 A 58 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Security Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 User Defined 1 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 128 0 to 255 Specifies the first user defined TG characteristic using this
82. ess Parameter appears when you first configure APPN None Any unique 48 bit 12 digit hexadecimal MAC level address Specifies a unique MAC level address for this port Enter a 12 digit hexadecimal MAC level address in most significant bit MSB noncanonical format regardless of the media When you configure APPN on an Ethernet interface you must obtain the burned in address of the adapter from the MIB and convert the address from canonical to noncanonical MSB format When you configure APPN on a token ring interface use a Locally Administered Address LAA If an adapter is replaced you will not have to reconfigure the address or any devices that reference the address To configure the LAA for the token ring address change the token ring parameter MAC Address Select to CNFG Then enter the address in the MAC Address Override field For instructions see Configuring Ethernet FDDI and Token Ring Services 1 3 6 1 4 1 18 3 5 14 1 3 1 38 APPN Virtual Ring Number Configuration Parameter The APPN Virtual Ring Number Configuration window Figure A 3 allows you to specify a unique SRB ring number to be used by APPN The number must be unique in the SRB network 308963 14 20 Rev 00 A 5 Configuring APPN Services APPN Virtual Ring Number Configuration Values Help Figure A 3 APPN Virtual Ring Number Configuration Window Parameter Virtual Ring Number Path Parameter appears when you first configu
83. exadecimal 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 noncanonical 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 A 26 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Port SAP Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add 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 3 1 38 Local Link Station Role Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Add Negotiable Negotiable Primary Secondary Specifies the initial role of the local network node when activating adjacent link stations through th
84. f using a connection network TG over configured connection network ports 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 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 Byte Cost Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced 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 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 A 68 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Security Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced 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 Delay Configuration M
85. fers at the intermediate nodes Source Routing ANR uses a source routing algorithm ANR carries the routing information 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 11 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 1 20 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview RTP connection Sessions A1 Sessions C5 NN1 NN2 NNS Sending end point node Intermediate node Receiving end point node O gt O gt O A1 stripped off at NN2 before delivery to NN3 APNO010A Figure 1 11 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 e Configuration services e Management services Session Services Session services generates unique session identifiers activates and deactivat
86. figuration window or APPN FR Port Configuration window opens 7 Set the following parameters 8 Click on OK The APPN Port List window opens 9 Click on Done The APPN Interface List window opens 10 Click on Done Enabling an APPN Port The Configuration Manager window opens To enable a port complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Interfaces The APPN Interface List window opens Click on the interface you want to modify Click on Ports The APPN Port List window opens Click on the port that you want to enable AA PRE Set the Port Enable Disable parameter Click on Help or see the parameter description on page A 23 Click on Apply to save your changes 308963 14 20 Rev 00 Configuring APPN Services Site Manager Procedure continued You do this 9 Click on Done System responds The APPN Interface List window opens 10 Click on Done The Configuration Manager window opens Specifying an APPN Port To specify a port address or the initial role of the local network node when activating adjacent link stations through this port complete the following tasks Site Manager Procedure You do this
87. ger window opens Changing a Directory Entry To change a directory entry complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Directory Entries The APPN Directory Entry List window opens The window displays the qualified LU names of any APPN nodes currently configured for directory services in the local directory database continued 3 6 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued 4 You do this Set the following parameters e Resource Type e Parent Name e Parent Type Click on Help or see the parameter description on page A 74 System responds Click on Done The Configuration Manager window opens Configuring Topology and Routing Services Topology and routing services TSR resides in every APPN network node TRS collects and exchanges information on other network nodes and the links between them To configure topology and routing services complete the following tasks Site Manager Procedure 1 You do this In the Configuration Manager window choose Protocols Choose APPN System responds The Protocols menu opens The APPN menu opens Choose Global The Edit APPN Global Parameters window opens Click
88. h 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 308963 14 20 Rev 00 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID TRS Route Tree Cache Size Configuration Manager gt Protocols gt APPN gt Global gt Advanced 8 8 to 2147483674 Specifies the size of the topology and routing services 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 in the range 8 to 2147483674 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 Configuration Manager gt Protocols gt APPN gt Global gt Advanced 8 1 to 2147483674 Specifies the maximum number of times a route tree will be used before route selection serv
89. hanumeric 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 308963 14 20 Rev 00 A 47 Configuring APPN Services APPN SDLC Adjacent Link Station Configuration Parameters The APPN SDLC Adjacent Link Station Configuration window Figure A 12 allows you to specify an adjacent link station name and node name ener a MAC address for the port that connects to the adjacent link station and specify an SDLC address for this circuit APPN SDLC Adjacent Link Station Configuration Cancel OK 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 A 13 APPN SDLC Adjacent Link Station Configuration Window A 48 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Adjacent Link Station Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Any name with up to 8 alphanumeric uppercase characters Specifies a unique name for the link station contro
90. he Licensee assumes all responsibility for selection of the Software to achieve Licensee s intended results and for the installation use and results obtained from the Software Nortel Networks does not warrant a that the functions contained in the software will meet the Licensee s requirements b that the Software will operate in the hardware or software combinations that the Licensee may select c that the operation of the Software will be uninterrupted or error free or d that all defects in the operation of the Software will be corrected Nortel Networks is not obligated to remedy any Software defect that cannot be reproduced with the latest Software release These warranties do not apply to the Software if it has been i altered except by Nortel Networks or in accordance with its instructions ii used in conjunction with another vendor s product resulting in the defect or iii damaged by improper environment abuse misuse accident or negligence THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Licensee is responsible 308963 14 20 Rev 00 iii for the security of its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files data or programs 4 Limitation of liability IN NO EVENT WILL NORT
91. he range 1 to 20 1 3 6 1 4 1 18 3 5 14 1 4 1 7 CP CP Session Support Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 parameter 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 308963 14 20 Rev 00 A 55 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Automatic Activation Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt NAME
92. i 308963 14 20 Rev 00 SDLC SMDS SNA SRB SSCP TG TPF VRN VTAM WAN XID Preface Synchronous Data Link Control Switched Multimegabit Data Service Systems Network Architecture source routing bridge system services control point transmission group transmission priority field virtual routing node virtual telecommunications access method wide area network exchange identification 308963 14 20 Rev 00 xvii Configuring APPN Services Related Publications For more information about APPN IBM SNA and related subjects refer to the following IBM publications e IBM Systems Network Architecture LU6 2 Reference Peer Protocols SC31 6808 e IBM Systems Network Architecture APPN Architecture Reference SC30 3422 e IBM Systems Network Architecture Management Services SC30 3346 e IBM APPN Architecture and Product Implementation Tutorial GG24 3669 e IBM AS 400 Advanced Peer to Peer Networking GG24 3287 e IBM Systems Network Architecture Technical Overview GC30 3073 e IBM Systems Network Architecture Concepts and Products GC30 3072 e IBM System Network Architecture Introduction to Sessions between Logical Units GC20 1869 You can print selected technical manuals and release notes free directly from the Internet Go to the support baynetworks com library tpubs URL Find the product for which you need documentation Then locate the specific category and model or version for your hardwa
93. ices calculates a new route tree for that class of service Enter any positive numeric value in the range 1 to 2147483674 1 3 6 1 4 1 18 3 5 14 1 1 35 Max NNs in Topology DB Configuration Manager gt Protocols gt APPN gt Global gt Advanced 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 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Max TGs in Topology DB Configuration Manager gt Protocols gt APPN gt Global gt Advanced 0 Any valid positive number specify 0 to indicate an unlimited number of 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 Configuration Manager gt Protocols gt APPN gt Global gt Advanced 1000 100 to 2147483674 Specifies the maximum number of ISR sessions that the local network node can support concurrently Enter a value of 100 to 214748
94. ifies the type of adjacent link station node Click on Values and select an adjacent node type as indicated under Options LEARN 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 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 308963 14 20 Rev 00 A 41 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable DLUR Support for this LS Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt NAME gt NETID is the unique network name with up to 8 characters followed by a period and NAME is the con
95. ion Parameters A 24 APPN Port Parameters A 28 APPN Adjacent Link Station Parameters A 38 Add APPN Adjacent Link Station Port Configuration Parameter A 47 APPN SDLC Adjacent Link Station Configuration Parameters A 48 APPN Adjacent Link Station Advanced Configuration Parameters A 54 APPN Connection Network List Parameter A 62 Connection Network Configuration Parameters A 63 APPN Connection Network Port List Parameter A 64 Connection Network Port Configuration Parameter A 66 APPN Connection Network Advanced Parameters A 66 continued 308963 14 20 Rev 00 A 1 Configuring APPN Services Topic Page APPN Directory Entry List Parameters A 70 Directory Entry Configuration Parameters A 73 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 see Using Technician Interface Software Caution The Technician Interface does not verify that the value you enter for a parameter is valid Entering an invalid value can corrupt your configuration APPN Local Node Name Co
96. is 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 308963 14 20 Rev 00 A 27 Configuring APPN Services APPN Port Parameters The APPN Port window Figure A 10 allows you to customize attributes such as the maximum send and receive BTU size link activation limits and the local HPR service access point address for unnumbered information frames on this port Cancel OK Values Help Max Receive BTU Size 057 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 A 10 APPN Port Window A 28 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Max Receive BTU Size Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 1500 256 to 4105
97. ist complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Directory Entries The APPN Directory Entry List window opens The window displays the qualified LU names of any APPN nodes currently configured for directory services in the local directory database 4 Click on Add The Directory Entry Configuration window opens 5 Set the Resource Name and Parent Name parameters Click on Help or see the parameter descriptions beginning on page A 74 6 Click on OK The APPN Directory Entry List window opens 7 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 3 5 Configuring APPN Services Enabling APPN Directory Entries To enable directory entries complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Directory Entries The APPN Directory Entry List window opens The window displays the qualified LU names of any APPN nodes currently configured for directory services in the local directory database 4 Set the Enable Disable parameter Click on Help or see the parameter description on page A 71 5 Click on Done The Configuration Mana
98. it Click on Advanced The APPN Connection Network Advanced Parameters window opens Set the following parameters Effective Capacity Connection Cost Byte Cost Security e Delay Click on Help or see the parameter descriptions on page A 57 Click on OK The APPN Connection Network List window opens Click on Done The Configuration Manager window opens Configuring an APPN Branch Network Node To configure a router as an APPN branch network node you must have already configured the router as an APPN network node that is APPN must be enabled on the router You must then do the following Enable BrNN support on the node Specify whether you want to register branch resources with the NNS Define the BrNN uplinks and downlinks Define whether implicit link stations are uplink or downlink Indicate whether to register BrNN resources with the NNS Specify the adjacent link station that will become the NNS when a non operational link between a BrNN and an NNS becomes operational 3 22 308963 14 20 Rev 00 Enabling BrNN Support Customizing APPN Services To enable BrNN support complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Global The Edit APPN Global Parameters window opens Set
99. k Stations on page 3 14 If you do not want to set up your adjacent link stations at this time click on Cancel The Configuration Manager window opens 2 6 308963 14 20 Rev 00 Chapter 3 Customizing APPN Services This chapter includes the following information Topic Page Enabling APPN on the Router 3 2 Configuring an APPN Network Node 3 2 Enabling APPN on an Interface 3 9 Configuring Adjacent Link Stations 3 14 Configuring APPN Connection Networks 3 18 Configuring APPN Connection Network Ports 3 19 Configuring an APPN Branch Network Node 3 22 For a description of all Site Manager parameters for APPN see Appendix A Site Manager Parameters You can configure APPN over LLC and source route bridging For instructions on configuring LLC see Configuring LLC Services For instructions on configuring source route bridging see Configuring Bridging Services This chapter assumes that you have already added one or more interfaces to a router configuration file that you now want to edit for APPN Refer to Configuring and Managing Routers with Site Manager to learn how to add interfaces to the configuration file 308963 14 20 Rev 00 3 1 Configuring APPN Services Enabling APPN on the Router Configuring an APPN Network Node To enable APPN on the router complete the following tasks Site Manager Procedure You do this System responds
100. k on Apply to save your changes 7 Click on Done The Configuration Manager window opens Configuring APPN Connection Network Ports The following sections describe how to Add an APPN connection network port Enable an APPN connection network port Customize an APPN connection network port 308963 14 20 Rev 00 3 19 Configuring APPN Services Adding an APPN Connection Network Port To add an APPN connection network port complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose APPN The APPN menu opens Choose Connection Networks The APPN Connection Network List window opens Click on the connection network to which you want to add a port Click on Ports Click on Add The APPN Connection Network Port List window opens The Connection Network Port Configuration window opens Set the Connection Network Port Name parameter Click on Help or see the parameter description on page A 66 Click on OK The APPN Connection Network Port List window opens Click on Done The APPN Connection Network List window opens 10 Click on Done The Configuration Manager window opens 3 20 308963 14 20 Rev 00 Customizing APPN Services Enabling an APPN Connection Network Port To enable an APPN connection
101. l 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 1 3 6 1 4 1 18 3 5 14 1 4 1 3 Adjacent Node Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK 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 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable Identifies the user specified name of the network and the adjacent node name Type up to 8 characters for the network ID name type 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 CPONE is a valid entry for this parameter 1 3 6 1 4 1 18 3 5 14 1 4 1 6 308963 14 20 Rev 00 A 49 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options
102. lay parameter A 69 Effective Capacity parameter A 67 Enable Disable parameter A 62 A 65 Security parameter A 69 User Defined 1 parameter A 69 User Defined 2 parameter A 70 User Defined 3 parameter A 70 APPN directory services Enable Disable parameter A 71 Parent Name parameter A 72 A 75 Parent Type parameter A 73 A 75 Resource Name parameter A 74 Resource Type parameter A 72 A 74 APPN Enable Disable parameter A 8 APPN global advanced parameters Default Backup DLUS Name A 19 Default DLUS Name A 18 DLUR Support Enable Disable A 17 DLUR DLUS RSCV Storage A 19 Endpoint Session RSCV Storage A 12 HPR Support A 20 ISR Congestion Threshold A 15 ISR Decongestion Threshold A 16 ISR Receive Pacing Window A 16 ISR Session RSCV Storage A 17 Max Cached Directory Entries A 13 Max Directory Entries A 12 Max NNs in Topology DB A 14 Max Number of ISR Sessions A 15 Max RU Size for ISR Sessions A 16 Max TGs in Topology DB A 15 Network Locate Timeout A 13 Register with NN A 20 Index 2 Route Addition Resistance A 11 TRS Route Tree Cache Size A 14 TRS Route Tree Cache Usage Limit A 14 APPN global parameters APPN Enable Disable A 8 Branch Extender Support A 10 Local ID Block A 9 Local ID Number A 10 APPN interfaces Interface Enable Disable parameter A 21 APPN network node configuring 3 2 APPN parameters descriptions of A 2 APPN ports configuring 3 10 DLUR Implicit LS Support p
103. link station Allowed e No BrNNs may connect to the adjacent link station Prohibited Click on Values and select one of the listed options 1 3 6 1 4 1 18 3 5 14 1 4 1 37 Preferred NN Server Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations No No Yes Specifies whether the selected adjacent link station will become the NNS when the link between the BrNN and its NNS becomes operational You can choose a node to be a preferred network node server when the following conditions are met e The Branch Link Type parameter on the APPN Adjacent Link Station List window is set to Uplink e The Adjacent BrNN Support parameter on the APPN Adjacent Link Station List window is set to either Allowed or Required If you want an adjacent link station to be the NNS when a link that has gone down comes back up click on Values and select Yes 1 3 6 1 4 1 18 3 5 14 1 4 1 38 A 46 308963 14 20 Rev 00 Site Manager Parameters Add APPN Adjacent Link Station Port Configuration Parameter The APPN Adjacent Link Station Port Configuration window Figure A 12 allows you to add a port that will support the adjacent link station APPN Adjacent Link Station Port Configuration Cancel Port Name Figure A 12 APPN Adjacent Link Station Port Configuration Window Parameter Port Name Path Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add Default None Options Up to 8 alp
104. 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 308963 14 20 Rev 00 A 59 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID User Defined 2 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 User Defined 3 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 LLC Error Recovery Under HPR Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced Disable Enable Disable Enables or disables LLC error recovery on this link station This parameter is available when the global HPR Support parameter is set to Enable and when the HPR Support for this LS parameter is set to Enable on this link station Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 4 1 33 A 60 308963 14 20 Rev 00 Parameter Path Default Optio
105. ls gt APPN gt Interfaces gt Ports gt Advanced 7 1 to 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 Total Link Activation Limits Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 1 0 to 256 see Table A 1 on page A 32 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 A 1 on page A 32 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 A 30 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Inbound Link Activation Limits Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 0 0 to 256 see Table A 1 on page A 32 Specifies the inbound link activation limit for this port The value is the maximum number of inboun
106. me parameter A 56 Branch Link Type parameter A 45 Byte Cost parameter A 58 configuring 3 14 CP CP Session Support parameter A 55 Delay parameter A 59 DLCI Address parameter A 51 DSPU Name parameter A 43 A 52 Effective Capacity parameter A 57 Enable DLUR Support for this LS parameter A 42 A 51 Enable Disable parameter A 40 HPR Support for this LS parameter A 45 Limited Resource TG parameter A 55 Link Address parameter A 44 Link Deactivation parameter A 61 LLC Error Recovery Under HPR parameter A 60 MAC Address parameter A 50 Max Send BTU Size parameter A 44 Port Name parameter A 40 A 47 Preferred NN Server parameter A 46 Primary DLUS Name parameter A 42 A 52 SAP parameter A 50 SDLC Address parameter A 27 A 51 Security parameter A 59 Target Pacing Count parameter A 45 TG Number parameter A 55 Use Default TG Characteristics parameter A 57 User Defined 1 parameter A 59 User Defined 2 parameter A 60 User Defined 3 parameter A 60 Index 1 APPN branch network node configuration examples 3 27 configuring 3 22 defining the link type for implicit link stations 3 26 defining uplinks and downlinks for 3 24 3 25 enabling support for 3 23 APPN connection networks Byte Cost parameter A 68 configuring 3 18 configuring ports 3 19 Connection Cost parameter A 68 Connection Network Name parameter A 64 Connection Network Port Name parameter A 64 A 66 De
107. meter descriptions beginning on page A 4 2 Click on OK The Select Protocols window opens 3 Choose APPN When you choose APPN you automatically choose LLC2 4 Click on OK The APPN Local Node Name Configuration window opens 5 Set the Local Node Name NETID NAME parameter Click on Help or see the parameter description on page A 3 6 Click on OK For frame relay configurations the APPN FR Configuration window opens 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 7 Set the following parameters continued 308963 14 20 Rev 00 Starting APPN Services Site Manager Procedure continued You do this System responds 8 Click on OK The Adjacent Link Station dialog box opens 9 If you want to set up your APPN adjacent link stations now click on OK Go to Configuring Adjacent Link Stations on page 3 14 If you do not want to set up your adjacent link stations at this time click on Cancel The Configuration Manager window opens Starting 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 To start APPN on Ethernet Nortel Networks proprietary SRB over Ethernet and frame relay RFC 1490 Bridging Standard using SRB complete the f
108. name with up to 8 MIB Object ID 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 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 Parameter Connection Network Port Name Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Add Default None Options Up to 8 alphanumeric uppercase characters Function Specifies the name of the port for the connection network Instructions Enter up to 8 alphanumeric uppercase characters with no blank spaces leading MIB Object ID trailing or embedded 1 3 6 1 4 1 18 3 5 14 1 7 1 4 APPN Connection Network Port List Parameter The APPN Connection Network Port List window Figure A 17 allows you enable or disable connection networks ports add and delete ports on existing connection networks and edit advanced connection network parameters A 64 308963 14 20 Rev 00 Site Manager Parameters APPN Connection Network Port List BAYNET ONE PORTOOO2 tone Add Delete Apply Values Help ap Pj Enable Disable ENABLE Figure A 17 APPN Connection Network Port List Window Parameter Enable Disable Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Ports Default Enable Options Enable Disable Function Enables or di
109. ne and the other BrNNs the end node and dependent LUs in its domain appear to reside on BrNN A The NNS for BrNN B is not shown APPN end node sil BrNN A NNS BrNN A BY Me Branch extender APPN backbone node with DLUR network Miainitame a BrNN B APPN LEN node Branch extender node APPN end node APNOO13A Figure 1 2 APPN Network Using Branch Network Nodes Control Points and Logical Units 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 3 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 register resources and to request directory searches from the NNS 1 6 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview End node APPN C Es HIE Network node Network node APPN A APPN B f gt gt de CP CP LU LU CP
110. nector Flow control Adaptive pacing Segmenting reassembly Connection oriented logical link Connection oriented logical link Transport connection Transport connection LU LU session Application data APNOOO7A Figure 1 8 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 a pacing window 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 308963 14 20 Rev 00 1 15 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 laye
111. nfiguration Parameter The APPN Local Node Name Configuration window Figure A 1 allows you to specify the local node name for the node the first time you start APPN over an LLC2 interface APPN Local Node Name Configuration Cancel OK Values Help Local Node Name NETID NAME Mo i Figure A 1 APPN Local Node Name Configuration Window A 2 308963 14 20 Rev 00 Site Manager Parameters Parameter Local Node Name Path Parameter appears when you first configure APPN Default None Options Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these are a convention used to indicate a substitutable variable Function The Local Node Name parameter identifies the unique name of the network and the Nortel Networks router node name Instructions Type the node name by first specifying up to 8 characters in the network ID name type 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 MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 1 4 APPN F
112. ngestion increased delay decreased throughput ARB reduces the input traffic rate so that a 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 308963 14 20 Rev 00 1 19 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 buf
113. node and low entry networking node Topology and Routing Services Topology and routing services TRS resides in every APPN network node and in lesser 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 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 22 308963 14 20 Rev 00 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 netw
114. not defined You can use the Implicit Uplink to EN parameter to identify as uplinks or downlinks all implicit link stations that an adjacent end node starts This parameter allows you to specify the implicit link station type on a per port basis Note You do not have to specify the link type for implicit link stations that adjacent network nodes or adjacent BrNNs start You must do so only for implicit link stations that adjacent end nodes start To define the link type for implicit link stations off a specific port complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Interfaces The APPN Interface Link window opens 4 Click on the interface whose parameters you want to edit 5 Click on Ports The APPN Port List window opens 6 Click on the port you want to modify continued 3 26 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued You do this 7 Click on Advanced System responds The APPN Port window opens 9 Click on OK 8 Set the Implicit Uplink to EN parameter Click on Help or see the parameter description on page A 38 The Configuration Manager window opens APPN BrNN Configuration Examples This section provides sample configurations of
115. ns Function Instructions MIB Object ID Site Manager Parameters Link Deactivation Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 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 range 5 to 255 1 3 6 1 4 1 18 3 5 14 1 4 1 34 308963 14 20 Rev 00 A 61 Configuring APPN Services APPN Connection Network List Parameter The APPN Connection Network List window Figure A 15 allows you to enable or disable APPN routing on the selected connection network APPN Connection Network List TE Done Add Delete Ports Advanced Apply Values Help Enable Disable ay El Figure A 15 APPN Connection Network List Window Parameter Enable Disable Path Configuration Manager gt Protocols gt APPN gt Connection Networks 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
116. nstructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID HPR Support Configuration Manager gt Protocols gt APPN gt Global gt Advanced 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 HPR Path Switch Controller Support Configuration Manager gt Protocols gt APPN gt Global gt Advanced 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 nonmobile partner Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 1 51 Register with NN Configuration Manager gt Protocols gt APPN gt Global gt Advanced None None All Local Indicates how the BrNN handles registration of new domain resources to the NNS Select None if you do not want the BrNN to register branch resources with the NNS Select All if the BrNN should register with the NNS all known domain resources Select Local if the BrNN should register only resources that are located on the BrNN 1 3 6 1 4 1 18 3 5 14 1 1 61 A 20 308963 14 20 Rev 00 Site Manager Parameters APPN Interfa
117. ode identification The APPN network node and the adjacent node exchange node identifications when establishing a connection Instructions Enter 5 hexadecimal digits MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 1 7 Parameter Branch Extender Support Path Configuration Manager gt Protocols gt APPN gt Global Default Disable Options Enable Disable Function Globally enables or disables APPN Branch Network Node support on the node Instructions Select Enable to allow this node to function as an APPN BrNN Select Disable MIB Object ID if you do not want this node to function as an APPN BrNN 1 3 6 1 4 1 18 3 5 14 1 1 60 Advanced APPN Global Parameters The Advanced APPN Global Parameters widow Figure A 6 contains general parameters associated with APPN directory services intermediate session routing and topology and routing services A 10 308963 14 20 Rev 00 Site Manager Parameters Advanced APPN Global Parameters Cancel OK Values Help Endpoint Session RSCV Storage ENABLE Max Directory Entries 0 Max Cached Directory Entries 100 Network Locate Timeout in seconds 60 TRS Route Tree Cache Size 8 TRS Route Tree Cache Usage Limit 8 Max NNs in Topology DB O Unlimited 0 Max TGs in Topology DB O Unlimited O Max Number of ISR Sessions 1000 Figure A 6 Parameter Path Default Options Function Instructions MIB Object ID Advanced APPN Global Parameters Window
118. of the Software by Licensee This license applies to the Software only and does not extend to Nortel Networks Agent software or other Nortel Networks software products Nortel Networks Agent software or other Nortel Networks software products are licensed for use under the terms of the applicable Nortel Networks NA Inc Software License Agreement that accompanies such software and upon payment by the end user of the applicable license fees for such software 2 Restrictions on use reservation of rights The Software and user manuals are protected under copyright laws Nortel Networks and or its licensors retain all title and ownership in both the Software and user manuals including any revisions made by Nortel Networks or its licensors The copyright notice must be reproduced and included with any copy of any portion of the Software or user manuals Licensee may not modify translate decompile disassemble use for any competitive analysis reverse engineer distribute or create derivative works from the Software or user manuals or any copy in whole or in part Except as expressly provided in this Agreement Licensee may not copy or transfer the Software or user manuals in whole or in part The Software and user manuals embody Nortel Networks and its licensors confidential and proprietary intellectual property Licensee shall not sublicense assign or otherwise disclose to any third party the Software or any information about the operation design
119. ollowing tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window select a link or net module connector that requires a WAN circuit The Add Circuit window opens 2 Click on OK The Select Protocols window opens 3 Choose APPN When you choose APPN you automatically choose LLC2 Click on OK The Source Routing Global Parameters window opens continued 308963 14 20 Rev 00 2 3 Configuring APPN Services Site Manager Procedure continued You do this 5 Set the following parameters SR Bridge Internal LAN ID SR Bridge ID For instructions on configuring these parameters see Configuring Bridging Services System responds 6 Click on OK The Edit SR Interface window opens 7 Set the Source Routing Ring Number parameter For instructions on configuring this parameter see Configuring Bridging Services 8 Click on OK The APPN Virtual Ring Number Configuration window opens 9 Set the Virtual Ring Number parameter Click on Help or see the parameter description on page A 6 10 Click on OK If this is the first interface for which you are configuring APPN the APPN Local Node Name Configuration window opens If this is not the first interface for which you are configuring APPN the APPN Configuration window for your specific network opens 308963 14 20 Rev 00
120. ols gt APPN gt Interfaces gt Ports gt Advanced 128 0 to 255 Specifies the second 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 33 Implicit User Defined 3 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 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 308963 14 20 Rev 00 A 35 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID DLUR Implicit LS Support Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced Disable Enable Disable Enables DLUR for implicit link stations on this port This parameter is available when the DLUR Support Enable Disable 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 40 HPR Implicit LS Support Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced Enable Enable Disable Enables HPR for implicit link stations on this port This parameter is available when the HPR Support parameter is se
121. omes back up the BrNN does not re register with its original NNS Site Manager allows you to specify which NN you want to select as the NNS You can choose a node to be a preferred NNS when e The Branch Link Type parameter on the APPN Adjacent Link Station List window is set to Uplink e The Adjacent BrNN Support parameter on the APPN Adjacent Link Station List window is set to either Allowed or Required To define a preferred NNS complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Adjacent Link Stations The APPN Adjacent Link Station List window opens 4 Click on the link station that you want to define as a preferred NNS continued 308963 14 20 Rev 00 3 25 Configuring APPN Services Site Manager Procedure continued You do this System responds 5 Set the Preferred NN Server parameter to Yes Click on Help or see the parameter description on page A 46 6 Click on Apply to save your changes 7 Click on Done to exit the window The Configuration Manager window opens Defining the Link Type for Implicit Link Stations A BrNN must specify its link stations as either uplink or downlink However in the case of an implicit link that an adjacent end node starts the link type is
122. on Window i e ee ee ek Re A 7 Edit APPN Global Parameters Window eseeeee PE E A 8 Advanced APPN Global Parameters Window ees ese ee ke Re A 11 APPN Intertace List WNION ooste diese Ese Oo SEGE NSS EDE A 21 AFPN Me RE ea ie OO OO ere A 22 APPN FR Port Configuration WindOW iese sees ee ee RA ee ee A 25 APPN Port Window RE RE EE A 28 APPN Adjacent Link Station List WindOW iese ee ek ek AR ee A 39 APPN Adjacent Link Station Port Configuration Window 06 A 47 APPN SDLC Adjacent Link Station Configuration Window 0 A 48 APPN Adjacent Link Station Advanced Configuration Window A 54 APPN Connection Network List WindOW ees eke ee RA Re A 62 308963 14 20 Rev 00 Figure A 16 Connection Network Configuration WiINdOW ees ee ee Re ee A 63 Figure A 17 APPN Connection Network Port List WindOW iese ese ee ee ke A 65 Figure A 18 Connection Network Port Configuration Window 1 00 cece ee A 66 Figure A 19 APPN Connection Network Advanced Parameters Window iese A 67 Figure A 20 APPN Directory Entry List WindOW sees ees ese dee ee ee Re ee A 71 Figure A 21 Directory Entry Configuration Window esseesssesseeesieesirserirsrresrressrrsns A 73 x 308963 14 20 Rev 00 Tables Table A 1 Link Activation Limit Default Values ese eie sede ee ee ee ee ee ee A 32 Table B 1 APPN Base Function Sots scscsccndsscccsaczaccscepsinas
123. or see the parameter description on page A 47 Click on OK The APPN Adjacent Link Station Configuration window specific to your network opens continued 3 14 308963 14 20 Rev 00 Customizing APPN Services Site Manager Procedure continued You do this System responds 7 Set the following parameters e Adjacent Link Station Name e Adjacent Node Name e Address parameters for the specific network MAC SAP DLCI SDLC Enable DLUR Support for this LS Primary DLUS Name DSPU Name Adjacent Node ID Number Adjacent Node Block Number Click on Help or see the parameter descriptions beginning on page A 49 8 Click on OK The APPN Adjacent Link Station List window opens 9 Click on Done The Configuration Manager window opens Enabling an Adjacent Link Station To enable an adjacent link station complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose APPN The APPN menu opens 3 Choose Adjacent Link Stations The APPN Adjacent Link Station List window opens 4 Click on the adjacent link station that you want to enable or disable 5 Set the Enable Disable parameter Click on Help or see the parameter description on page A 40 6 Click on Apply to save your changes The Configuration Manager window opens 3
124. ork 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 vector 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 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 Customizing APPN Services for detailed information on configuring APPN nodes Management Services Management services 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 Database 308963 14 20 Rev 00 1 23 Chapter 2 Starting APPN Services This chapter describes how to create basic APPN configurations by specifying parameter values where required and accepting default values for all other parameters This chapter includes the following information
125. ositive 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 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Max Cached Directory Entries Configuration Manager gt Protocols gt APPN gt Global gt Advanced 100 Any positive numeric 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 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 Network Locate Timeout Configuration Manager gt Protocols gt APPN gt Global gt Advanced 60 Specify 0 to indicate no timeouts Specifies the length of time in seconds before a network searc
126. r 2 of SNA operating 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 a 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 9 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 1 16 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview RTP end point RTP end point end node or ANR router node end node or network node network node network node 7 Application Application 7 ls L Logical Logical unit LU unit LU Data link control Connectionless Reliable ANR routing Sequential delivery with priority Selective retransmission Nondisruptive rerouting Connectionless LLC 0000000000000000000000000000 Transport oriented LLC APNOOOSA Figure 1 9 APPN HPR Routing Functions in SNA Architecture 308963 14 20 Rev 00 Configuring APPN Services Rapid Transport
127. rackets these indicate a variable to be substituted Specifies the fully qualified name lt NETID gt 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 A 5 Type up to 8 characters for the network ID name type 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 NETWORKA SYSTEMA is a valid entry for the Parent Name parameter Use the asterisk wildcard to indicate a wildcard entry Refer to Adding APPN Directory Entries on page 3 5 for information on using the wildcard with directory entries 1 3 6 1 4 1 18 3 5 14 4 3 1 3 Resource Type Configuration Manager gt Protocols gt APPN gt Directory Entries gt Add 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
128. railing or embedded 1 3 6 1 4 1 18 3 5 14 1 4 1 29 A 52 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Adjacent Node ID Number Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK 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 To allow the XID to pass through the node enter 00000 1 3 6 1 4 1 18 3 5 14 1 4 1 11 Adjacent Node Block Number Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None None A unique hexadecimal value that identifies APPN in this adjacent node The number is the first 3 digits of the node ID Enter a hexadecimal value 1 3 6 1 4 1 18 3 5 14 1 4 1 10 308963 14 20 Rev 00 A 53 Configuring APPN Services APPN Adjacent Link Station Advanced Configuration Parameters The APPN Adjacent Link Station Advanced Configuration window Fig
129. ration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced Yes Yes 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced No Yes No Specifies whether dynamic link stations on this port should be defined as limited resources A 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 A 32 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Implicit Effective Capacity Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 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
130. re APPN Default None Options 1 to 4095 Function 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 Nortel Networks routers running APPN on LLC2 SRB media Instructions Specify the unique LLC ring number in the range 1 to 4095 MIB Object ID 1 3 6 1 4 1 18 3 5 1 6 2 25 APPN SDLC Address Configuration Parameter The APPN SDLC Address Configuration Parameter window Figure A 4 allows you to specify an SDLC address for the interface A 6 308963 14 20 Rev 00 Site Manager Parameters APPN SDLC Address Configuration Cancel OK Values Help Figure A 4 APPN SDLC Address Configuration Window Parameter SDLC Address Path Parameter appears when you first configure APPN 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 APPN Global Parameters The Edit APPN Global Parameters window Figure A 5 contains the parameters that let you e Enable or disable APPN on the router e Specify the local node name ID block and ID number 308963 14 20 Rev 00 A 7 Configuring APPN Services Edit APPN Global Parameters Cancel Configuration
131. re or software product Use Adobe Acrobat Reader to open the manuals and release notes search for the sections you need and print them on most standard printers Go to Adobe Systems at www adobe com to download a free copy of Acrobat Reader You can purchase selected documentation sets CDs and technical publications through the Internet at the www1 fatbrain com documentation nortel URL xviii 308963 14 20 Rev 00 Preface How to Get Help If you purchased a service contract for your Nortel Networks product from a distributor or authorized reseller contact the technical support staff for that distributor or reseller for assistance If you purchased a Nortel Networks service program contact one of the following Nortel Networks Technical Solutions Centers Technical Solutions Center Telephone EMEA 33 4 92 966 968 800 2LANWAN or 800 252 6926 Asia Pacific 61 2 9927 8800 China 800 810 5000 North America An Express Routing Code ERC is available for many Nortel Networks products and services When you use an ERC your call is routed to a technical support person who specializes in supporting that product or service To locate an ERC for your product or service go to the www12 nortelnetworks com URL and click ERC at the bottom of the page 308963 14 20 Rev 00 xix Chapter 1 Advanced Peer to Peer Networking Overview This chapter includes the following information about IBM A
132. relative cost of using a connection network the relative cost of transmitting a byte over the connection network and the security level of the connection network A 66 308963 14 20 Rev 00 Site Manager Parameters BAYNET ONE Advanced Parameters Effective Capacity Connection Cost Byte Cost Security Delay NON SECURE NEGLIGIBLE User Defined 1 User Defined 2 User Defined 3 Figure A 19 Parameter Path Default Options Function Instructions MIB Object ID APPN Connection Network Advanced Parameters Window Effective Capacity Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced 16M 1200 2400 4800 7200 19600 I 14400 I I 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 308963 14 20 Rev 00 A 67 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Connection Cost Configuration Manager gt Protocols gt APPN gt Connection Networks gt Advanced 128 0 to 255 Specifies the relative cost per connect time o
133. s e Low entry networking nodes Network 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 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 workstations that register their resources with their network node server 308963 14 20 Rev 00 1 3 Configuring APPN Services Branch Network Nodes An APPN branch network node BrNN is a network node that implements the Branch Extender function APPN option set 1121 The APPN BrNN connects a branch site to the WAN APPN backbone and emulates two types of nodes The BrNN appears as an APPN end node to the backbone and as an APPN network nod
134. sables 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 reenable APPN routing over this connection network port MIB Object ID 1 3 6 1 4 1 18 3 5 14 1 7 1 2 308963 14 20 Rev 00 A 65 Configuring APPN Services Connection Network Port Configuration Parameter The Connection Network Port Configuration window Figure A 18 allows you to add a port to an APPN connection network Connection Network Port Configuration Cancel OK Values Help Figure A 18 Connection Network Port Configuration Window Parameter Connection Network Port Name Path Configuration Manager gt Protocols gt APPN gt Connection Networks gt Ports gt Add 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 APPN Connection Network Advanced Parameters The APPN Connection Network Advanced Parameters window Figure A 19 allows you to specify the
135. t licenses or other governmental approvals Without limiting the foregoing Licensee on behalf of itself and its subsidiaries and affiliates agrees that it will not without first obtaining all export licenses and approvals required by the U S Government i export re export transfer or divert any such Software or technical data or any direct product thereof to any country to which such exports or re exports are restricted or embargoed under United States export control laws and regulations or to any national or resident of such restricted or embargoed countries or ii provide the Software or related technical data or information to any military end user or for any military end use including the design development or production of any chemical nuclear or biological weapons 9 General If any provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction the remainder of the provisions of this Agreement shall remain in full force and effect This Agreement will be governed by the laws of the state of California Should you have any questions concerning this Agreement contact Nortel Networks 4401 Great America Parkway PO Box 58185 Santa Clara California 95054 8185 LICENSEE ACKNOWLEDGES THAT LICENSEE HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOUND BY ITS TERMS AND CONDITIONS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE ENTIRE AND EXCLUSIVE AGREEMENT BETWEEN NORTEL NETWO
136. t to Enable Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 3 1 35 LLC Error Recovery Under HPR Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced Disable Enable Disable Enables or disables LLC error recovery on implicit link stations on this port This parameter is available when the global HPR Support parameter is set to Enable and when the HPR Implicit LS Support parameter is set to Enable on this port Click on Values and select Enable or Disable 1 3 6 1 4 1 18 3 5 14 1 3 1 36 A 36 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Implicit Link Deactivation Time Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced 120 5 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 Configuration Manager gt Protocols gt APPN gt Interfaces gt Ports gt Advanced C8 Any 2 digit hexadecimal value Specifies the local HPR service ac
137. the entry uses the asterisk wildcard Refer to Adding APPN Directory Entries on page 3 5 for information on using the wildcard with directory entries 1 3 6 1 4 1 18 3 5 14 4 3 1 4 A 74 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Parent Name Configuration Manager gt Protocols gt APPN gt Directory Entries gt Add None Any valid name with up to 17 alphanumeric uppercase characters in the format lt NETID gt lt 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 Do not enter the angle brackets these indicate a variable to be substituted Specifies the fully qualified APPN node name sNETID 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 A 5 Type up to 8 characters for the network ID name type 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 NETWORKA SYSTEMA is a valid entry for the Parent Name parameter 1 3
138. tion 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 Branch Link Type Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations Uplink Uplink Downlink Specifies whether the link station is an uplink or downlink Select Uplink if you want the BrNN to present an EN image to the link station Select downlink if you want the BrNN to present an NN image to the link station You must define at least one uplink adjacency to an NN This NN will be the network node server for the BrNN 1 3 6 1 4 1 18 3 5 14 1 4 1 36 308963 14 20 Rev 00 A 45 Configuring APPN Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Adjacent BrNN Support Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations Allowed Allowed Required Prohibited Specifies one of the following e Only BrNNs may connect to the adjacent link station Required e BrNNs and other APPN node types may connect to the adjacent
139. tions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters SDLC Address hex Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK 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 DLCI Address Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK None Valid range changes based on the frame relay address length as follows e Ifthe address length is 2 bytes the range is 16 to 1007 e Ifthe address length is 3 bytes the range is 1024 to 64511 e If the address length is 4 bytes the range is 131072 to 8257535 This number is the PVC identification number that the frame relay network uses 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Add gt OK Disable Enable Disable Specifies whether the adjacent link station is a PU 2 0 node to be serviced by LU type 0 1 2 3 and dependent LU 6 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 308963 14 20 Rev 00
140. trol point name with up to 8 characters Do not enter the angle brackets these are a convention used to indicate a substitutable variable 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 type 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 A 42 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters DSPU Name Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations 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 The first character must be a letter 1 3 6 1 4 1 18 3 5 14 1 4 1 29 Adjacent Node Block Number Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations None None A unique hexadecim
141. ts routes Example Use the dinfo command Indicate required elements in syntax descriptions where there is more than one option You must choose only one of the options Do not type the braces when entering the command Example If the command syntax is show ip alerts routes you must enter either show ip alerts or show ip routes but not both Indicate optional elements in syntax descriptions Do not type the brackets when entering the command Example If the command syntax is show ip interfaces alerts you can enter either show ip interfaces or show ip interfaces alerts Indicate that you repeat the last element of the command as needed Example If the command syntax is ethernet 2 1 lt parameter gt lt value gt you enter ethernet 2 1 and as many parameter value pairs as needed xiv 308963 14 20 Rev 00 italic text screen text separator gt vertical line Acronyms Preface Indicates new terms book titles and variables in command syntax descriptions Where a variable is two or more words the words are connected by an underscore Example If the command syntax is show at lt valid_route gt valid_route is one variable and you substitute one value for it Indicates system output for example prompts and system messages Example Set Trap Monitor Filters Shows menu paths Example Protocols gt IP identifies the IP option on the Protocols menu
142. ts of the United States Government regarding its use reproduction and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Statement of Conditions In the interest of improving internal design operational function and or reliability Nortel Networks NA Inc reserves the right to make changes to the products described in this document without notice Nortel Networks NA 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 may be 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 such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition
143. u EED ese REG EE EERS be ER REG ROER ee RE ee A 7 Advanced APPN Global Parameters n se EE OM EET A 10 APPN Interface List Parameter rer E EE A 21 APPN Forn List Parametals ss ese EG es GE eN GE A 22 APPN FR Port Configuration Parameters i sees see esse ee ee ee ee EE N A 24 AFPN er dei Ve SE EE OE AE N OG A 28 APPN Adjacent Link Station Parameters ees esse ee ee ese ee ee ee ee ee ee ee ee ee ee A 38 Add APPN Adjacent Link Station Port Configuration Parameter iss esse ee ee A 47 APPN SDLC Adjacent Link Station Configuration Parameters iss esse sesse A 48 APPN Adjacent Link Station Advanced Configuration Parameters s es A 54 APPN Connection Network List Parameter FREE RE EE EERS A 62 Connection Network Configuration Parameters iese ee eek AR ee ke RA de ee A 63 APPN Connection Network Port List Parameter n RE E A 64 Connection Network Port Configuration Parameter cccccceeeeeseeeeeeeeseeeeeeeneeeeeaes A 66 APPN Connection Network Advanced Parameters sisie sesse ee ke ee ee ee Re ee ee A 66 APPN Directory Entry List Parameters pentnaaas seges PERS REG EE RE EE A 70 Directory Entry Configuration Parameters esse sedes ee dese ed ee ed ee ee ee Ak ge ee A 73 Appendix B APPN Base and Optional Function Sets Index viii 308963 14 20 Rev 00 Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7
144. use A BrNN can maintain one CP CP session with an uplink NN The uplink NN acts as the NNS to the EN side of the BrNN If the link with the NNS fails the BrNN initiates a CP CP session with another uplink NN if possible and that NN becomes the new NNS With the exception of BrNNs that are emulating ENs networks nodes cannot connect over BrNN downlinks Low Entry Networking Nodes A low entry networking node LEN is the simplest type of node in an APPN network LEN nodes communicate with each other as adjacent peers 1 4 308963 14 20 Rev 00 Advanced Peer to Peer Networking Overview 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 a network node an end node and two low entry networking nodes Low entry networking node LEN ES APPN network node IE Eg NN EE AS 400 end node EN Low entry networking node LEN APNO001A Figure 1 1 APPN Network with Different Node Types 308963 14 20 Rev 00 1 5 Configuring APPN Services Figure 1 2 shows a BrNN served by an NNS BrNN A To the backbo
145. ut allows you to specify whether the adjacent link station is a limited resource the number of the transmission group to this link station and whether the link station supports CP CP sessions APPN Adjacent Link Station Advanced Configuration Cancel OK Values Help 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 A 14 APPN Adjacent Link Station Advanced Configuration Window A 54 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Limited Resource TG Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced No Yes 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 Configuration Manager gt Protocols gt APPN gt Adjacent Link Stations gt Advanced 1 1 to 20 Specifies the number of the transmission group to this link station Specify a number in t
146. ve 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 Max RU Size for ISR Sessions Configuration Manager gt Protocols gt APPN gt Global gt Advanced 4096 256 to 4096 Specifies the maximum request unit 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 Configuration Manager gt Protocols gt APPN gt Global gt Advanced 7 1 to 63 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 consumes more memory 1 3 6 1 4 1 18 3 5 14 1 1 42 A 16 308963 14 20 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters ISR Session RSCV Storage Configuration Manager gt Protocols gt APPN gt Global gt Advanced Enable Enable Disable Enables or disables the storage of route selection control vectors RSCVs during IS
147. vices Customizing an Adjacent Link Station To customize an adjacent link station complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose APPN The APPN menu opens 3 Choose Adjacent Link Stations The APPN Adjacent Link Station List window opens 4 Click on the link station that you want to customize 5 Click on Advanced 6 Set the following parameters Limited Resource TG TG Number CP CP Session Support Automatic Activation Backup DLUS Name Use Default TG Characteristics Effective Capacity Connection Cost Byte Cost Security Delay LLC Error Recovery Under HPR Link Deactivation Click on Help or see the parameter descriptions beginning on page A 55 The APPN Adjacent Link Station Advanced Configuration window opens 7 Click on OK The APPN Adjacent Link Station List window opens 8 Click on Done The Configuration Manager window opens 308963 14 20 Rev 00 3 17 Configuring APPN Services Configuring APPN Connection Networks The following sections describe how to e Add an APPN connection network e Enable an APPN connection network Adding an APPN Connection Network An APPN connection network lets you route session traffic directly between two link stations without intermediate node intervention Connection

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