Avaya Configuring LLC Services Uživatelský manuál

BayRS Version 15.1Part No. 308635-15.1 Rev 00October 2001600 Technology Park DriveBillerica, MA 01821-4130Configuring LLC Services

Configuring LLC ServicesA-4308635-15.1 Rev 00Parameter: Mapping TypePath: Configuration Manager > Protocols > LLC2 > Frame Relay SVC MappingD

Site Manager Parameters308635-15.1 Rev 00A-5LLC2 Frame Relay SVC Mapping ParametersThe LLC2 Frame Relay SVC Mappings window (Figure A-2) allows you to

Configuring LLC ServicesA-6308635-15.1 Rev 00Figure A-2. LLC2 Frame Relay SVC Mappings WindowAdd LLC2 Frame Relay PVC Mapping ParametersThe LLC2 Frame

Site Manager Parameters308635-15.1 Rev 00A-7Figure A-3. LLC2 Frame Relay PVC Mapping Add WindowParameter: DLCIPath: Configuration Manager > Edit Ci

Configuring LLC ServicesA-8308635-15.1 Rev 00LLC2 Frame Relay PVC Mapping ParametersThe LLC2 Frame Relay PVC Mappings window (Figure A-4) allows you t

Site Manager Parameters308635-15.1 Rev 00A-9Figure A-4. LLC2 Frame Relay PVC Mappings WindowLLC2 Global ParametersThe Edit LLC2 Global Parameters wind

Configuring LLC ServicesA-10308635-15.1 Rev 00LLC2 Interface ParametersThe LLC2 Interface Configuration window (Figure A-6) lets you customize LLC2 in

Site Manager Parameters308635-15.1 Rev 00A-11Figure A-6. LLC2 Interface Configuration WindowParameter: EnablePath: Configuration Manager > Protocol

Configuring LLC ServicesA-12308635-15.1 Rev 00Parameter: Max Octets in UIPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault:

Site Manager Parameters308635-15.1 Rev 00A-13Parameter: Receive WindowPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault: 7 (

308635-15.1 Rev 00xiTablesTable 1-1. LLC Command PDUs ...1-10Table 1-2. PDU

Configuring LLC ServicesA-14308635-15.1 Rev 00Parameter: Send WindowPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault: 7 (PD

Site Manager Parameters308635-15.1 Rev 00A-15Parameter: Ack Timer for XmtPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault:

Configuring LLC ServicesA-16308635-15.1 Rev 00Parameter: Reject TimerPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault: 1 (s

Site Manager Parameters308635-15.1 Rev 00A-17Parameter: Inactivity TimerPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault: 3

Configuring LLC ServicesA-18308635-15.1 Rev 00Parameter: Frame Relay Virtual MAC Address MaskPath: Configuration Manager > Protocols > LLC2 >

Site Manager Parameters308635-15.1 Rev 00A-19Parameter: FR Sap TranslationPath: Configuration Manager > Protocols > LLC2 > InterfacesDefault:

308635-15.1 Rev 00B-1 Appendix BMonitoring LLC Using the BCC show CommandsTo display configuration and statistical data about LLC2 from the management

Configuring LLC ServicesB-2308635-15.1 Rev 00Online Help for show CommandsTo display a list of command options, enter show llc2 ? at any BCC prompt. T

Monitoring LLC Using the BCC show Commands308635-15.1 Rev 00B-3 show llc2 allThe show llc2 all command shows all the information that you can display

Configuring LLC ServicesB-4308635-15.1 Rev 00LLC2 FR SVC Mapping TableName Name of the frame relay service record on which the SVC is configured. If t

Monitoring LLC Using the BCC show Commands308635-15.1 Rev 00B-5 show llc2 dlciThe show llc2 dlci command displays information about the DLCIs configur

Configuring LLC ServicesB-6308635-15.1 Rev 00show llc2 fr-svcThe show llc2 fr-svc command displays information about the SVCs configured for LLC2 on f

Monitoring LLC Using the BCC show Commands308635-15.1 Rev 00B-7 show llc2 interfacesThe show llc2 interfaces command displays information about LLC2 i

Configuring LLC ServicesB-8308635-15.1 Rev 00show llc2 linksThe show llc2 links command displays general information about connections on the router.T

308635-15.1 Rev 00Index-1AAck Timer for Xmt parameter, A-15acronyms, xvaddress mapping, 2-4 to 2-11address mask, A-18addresses, real and virtual, 2-4A

Index-2308635-15.1 Rev 00DLSw and LLC2 over Frame Relay BNN (continued)configuring using Site Manager and PVCs, 3-15, 3-16configuring using Site Manag

308635-15.1 Rev 00Index-3Ooperation typesnumbered, acknowledged (type 2), 1-9unnumbered, unacknowledged (type 1), 1-9overview of LLC services supporte

Index-4308635-15.1 Rev 00text conventions, xivType of Number parameter, A-5types of operations, numbered and unnumbered, 1-9Vvirtual MAC address mask,

308635-15.1 Rev 00xiii PrefaceThis guide describes Logical Link Control (LLC) services and what you do to start and customize LLC services on a Nortel

Configuring LLC Servicesxiv308635-15.1 Rev 00Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indicate that y

Preface308635-15.1 Rev 00xv AcronymsThis guide uses the following acronyms:separator ( > ) Shows menu paths. Example: Protocols > IP identifies

Configuring LLC Servicesxvi308635-15.1 Rev 00IEEE Institute of Electrical and Electronic EngineersIP Internet ProtocolISO International Organization f

Preface308635-15.1 Rev 00xvii Hard-Copy Technical ManualsYou can print selected technical manuals and release notes free, directly from the Internet.

Configuring LLC Servicesxviii308635-15.1 Rev 00Additional information about the Nortel Networks Technical Solutions Centers is available from the www.

308635-15.1 Rev 001-1 Chapter 1Logical Link Control OverviewLLC is a standard protocol within the ITU-T (formerly CCITT) 8802.2 and IEEE 802.x family

ii308635-15.1 Rev 00 Copyright © 2001 Nortel NetworksAll rights reserved. October 2001.The information in this document is subject to change without n

Configuring LLC Services1-2308635-15.1 Rev 00In general, there is no need to change the LLC2 default settings. You can, however, tune the network by c

Logical Link Control Overview308635-15.1 Rev 001-3 You can enable LLC2 on any LAN or WAN interface that supports APPN, DLSw, and LNM, including:• LAN

Configuring LLC Services1-4308635-15.1 Rev 00Figure 1-1. Sample Frame Relay NetworkNortel Networks provides two ways to communicate directly with an S

Logical Link Control Overview308635-15.1 Rev 001-5 Boundary Network NodeThe Boundary Network Node refers to the RFC 1490 specification for routed SNA

Configuring LLC Services1-6308635-15.1 Rev 00The following features are supported with the BNN SVC implementation:• Providing a connection only after

Logical Link Control Overview308635-15.1 Rev 001-7 Figure 1-2. LLC Sublayer in the IEEE 802.x and OSI ModelsYou can add an IEEE 802.2-compliant LLC in

Configuring LLC Services1-8308635-15.1 Rev 00LLC1 (Connectionless Service)LLC1 is a datagram service that sends and receives LLC frames called link se

Logical Link Control Overview308635-15.1 Rev 001-9 LLC Operation TypesLLC supports two operation types:• Unnumbered, unacknowledged (type 1) • Numbere

Configuring LLC Services1-10308635-15.1 Rev 00LLC FunctionalityThe LLC protocols generate and interpret command packets or frames called protocol data

Logical Link Control Overview308635-15.1 Rev 001-11 Type 1 operations do not include definition of an acknowledgment PDU.Type 2 operations do not incl

308635-15.1 Rev 00iiiNortel Networks Inc. Software License AgreementThis Software License Agreement (“License Agreement”) is between you, the end-user

Configuring LLC Services1-12308635-15.1 Rev 00Source SAP (SSAP)The SSAP address field identifies the specific service access point that initiated the

Logical Link Control Overview308635-15.1 Rev 001-13 Figure 1-6. SAPs for LLC ClientsSAP addresses are as follows:• Individual — Designates a single SA

Configuring LLC Services1-14308635-15.1 Rev 00Control FieldThe control field consists of one or two octets that designate command and response functio

Logical Link Control Overview308635-15.1 Rev 001-15 Figure 1-7. LLC PDU Control Field FormatI format PDUinformation transfercommands/responsesS format

Configuring LLC Services1-16308635-15.1 Rev 00Control Field FormatsTable 1-2 further defines the purpose of the three PDU types, where the specific fo

Logical Link Control Overview308635-15.1 Rev 001-17 Table 1-4 further defines the purpose of each command and response PDU.Table 1-4. Command and Resp

Configuring LLC Services1-18308635-15.1 Rev 00Command/Response PDUControl Field Value DefinitionInformation (I) 6xxx0orxx evenThe I command PDU indica

Logical Link Control Overview308635-15.1 Rev 001-19 Command/Response PDUControl Field Value DefinitionDisconnect (DISC) 53or43The DISC response PDU cl

Configuring LLC Services1-20308635-15.1 Rev 00Information FieldThe contents of the information field depend on the type of PDU it appears in, as follo

308635-15.1 Rev 002-1 Chapter 2LLC2 Routed over Frame RelayLLC2 (connection-oriented service) in a Nortel Networks router supports frame relay with bo

iv308635-15.1 Rev 004. Generala. If Customer is the United States Government, the following paragraph shall apply: All Nortel Networks Software avail

Configuring LLC Services2-2308635-15.1 Rev 00This feature allows native SNA traffic originating from SDLC-, token ring-, or Ethernet-attached devices

LLC2 Routed over Frame Relay308635-15.1 Rev 002-3 Figure 2-1. Sample Frame Relay Network Using LLC2Nortel Networks routerwith DLSw or APPNIBM communic

Configuring LLC Services2-4308635-15.1 Rev 00FRAD-like FunctionalityToken ring, Ethernet, and SDLC end stations communicate with a frame relay-attache

LLC2 Routed over Frame Relay308635-15.1 Rev 002-5 • Use the end station’s physical or locally configured MAC address. In this case, be aware that if y

Configuring LLC Services2-6308635-15.1 Rev 00Virtual MAC Address to Frame Relay DLCIFigure 2-2 illustrates a sample virtual MAC address to frame relay

LLC2 Routed over Frame Relay308635-15.1 Rev 002-7 Frame Relay DLCI to Virtual MAC AddressFigure 2-3 illustrates a sample frame relay DLCI to virtual M

Configuring LLC Services2-8308635-15.1 Rev 00Physical MAC Address to Frame Relay DLCIFigure 2-4 illustrates a sample physical MAC address to frame rel

LLC2 Routed over Frame Relay308635-15.1 Rev 002-9 Frame Relay DLCI to Physical MAC AddressFigure 2-5 illustrates a sample frame relay DLCI to physical

Configuring LLC Services2-10308635-15.1 Rev 00Figure 2-5. Frame Relay to Physical MAC TopologyFrame Relay DLCI to Frame Relay DLCIFigure 2-6 illustrat

LLC2 Routed over Frame Relay308635-15.1 Rev 002-11 Router A always sets the source MAC address equal to the virtual MAC address, even if there is a re

308635-15.1 Rev 00vContents PrefaceBefore You Begin ...

Configuring LLC Services2-12308635-15.1 Rev 00LLC2 over Frame Relay: Routed versus BridgedFigure 2-7 illustrates (a) SNA over frame relay with source

308635-15.1 Rev 003-1 Chapter 3Starting LLC ServicesThis chapter describes how to create a basic LLC configuration by specifying values for required p

Configuring LLC Services3-2308635-15.1 Rev 00Starting Configuration ToolsBefore you configure LLC services, refer to the following user guides for ins

Starting LLC Services308635-15.1 Rev 003-3 Figure 3-1. LLC2 Configuration Hierarchy (continued)LLC0017A serviceframe-relaylogical-linemct1 hssi defau

Configuring LLC Services3-4308635-15.1 Rev 00Starting LLC2 on a LAN InterfaceWhen you configure an LLC2 interface on an 802.x LAN physical (LAN-attach

Starting LLC Services308635-15.1 Rev 003-5 receive-window 7reject-timer 1srb-ring-id 0x0state enabledtransmit-window 7ui-ackwait-timer 30llc2/ethernet

Configuring LLC Services3-6308635-15.1 Rev 00Configuring LLC2 on an FDDI InterfaceTo configure LLC2 on an FDDI interface with default values:1.In conf

Starting LLC Services308635-15.1 Rev 003-7 Using Site ManagerIn Site Manager, you should not add LLC2 to an interface without also adding the DLSw, AP

Configuring LLC Services3-8308635-15.1 Rev 00Starting LLC2 over ATM LANEThe following sections describe how to configure LLC2 and DLSw over ATM LAN em

Starting LLC Services308635-15.1 Rev 003-9 Using Site ManagerTo enable LLC2 and DLSw over ATM LANE, complete the following tasks:Site Manager Procedur

vi308635-15.1 Rev 00Control Field ...1-14Cont

Configuring LLC Services3-10308635-15.1 Rev 00Starting DLSw and LLC2 over Frame RelayFor the configuration of DLSw over frame relay, IBM provides two

Starting LLC Services308635-15.1 Rev 003-11 For example, to configure slot 3 with an IP address of 1.1.1.3, enter:dlsw# slot-ip 3 ip-addr 1.1.1.3slot-

Configuring LLC Services3-12308635-15.1 Rev 0011.Add LLC2 to the frame relay service.srb/service1# llc2llc2/service1#12.Configure DLSw on the serial i

Starting LLC Services308635-15.1 Rev 003-13 Starting DLSw and LLC2 over Frame Relay BNNBecause the BNN format does not carry the destination MAC addre

Configuring LLC Services3-14308635-15.1 Rev 00Using the BCCTo configure DLSw and LLC2 on a frame relay BNN interface using PVCs, you first configure D

Starting LLC Services308635-15.1 Rev 003-15 9.Configure the frame relay DLCI to which you are mapping the local or remote MAC address. For example, en

Configuring LLC Services3-16308635-15.1 Rev 004. Choose DLSw.When you choose DLSw, you automatically choose LLC2.5. Click on OK. The Frame Relay/SNA C

Starting LLC Services308635-15.1 Rev 003-17 Starting DLSw and LLC2 on a Frame Relay BNN SVC InterfaceIf you use SVCs to connect two devices over the n

Configuring LLC Services3-18308635-15.1 Rev 003.Specify a slot for the IP interface and the IP address to use for TCP connections based on this slot.

Starting LLC Services308635-15.1 Rev 003-19 12.By default, the SVC mapping type is set to local. If you want to map the SVC to a remote MAC address, e

308635-15.1 Rev 00viiChapter 4 Customizing LLC ServicesDisabling and Reenabling LLC2 on the Router ...

Configuring LLC Services3-20308635-15.1 Rev 007. Set the following parameters:• DLSw RFC Version• DLSw Virtual Ring ID (hex)•DLSw Peer IP Address (dua

Starting LLC Services308635-15.1 Rev 003-21 Starting APPN and LLC2 over Frame RelayTo start APPN and LLC2 over frame relay, complete the following ste

308635-15.1 Rev 004-1 Chapter 4Customizing LLC ServicesWhen you start LLC on the router as described in Chapter 3, “Starting LLC Services,” default va

Configuring LLC Services4-2308635-15.1 Rev 00For example, the following command sequence disables and reenables LLC2 on the router:box# llc2llc2# disa

Customizing LLC Services308635-15.1 Rev 004-3 Disabling and Reenabling an LLC2 InterfaceThe following sections describe how to disable and enable LLC2

Configuring LLC Services4-4308635-15.1 Rev 00Configuring the Window SizeIn LLC, a window controls how many frames a link station sends before receivin

Customizing LLC Services308635-15.1 Rev 004-5 Using Site ManagerTo specify the maximum number of unacknowledged information PDUs that LLC can receive,

Configuring LLC Services4-6308635-15.1 Rev 00For example, the following command changes the maximum number of outstanding information PDUs to 10:llc2/

Customizing LLC Services308635-15.1 Rev 004-7 info_size is the maximum size, in octets, of an information PDU that this LLC2 interface sends or receiv

viii308635-15.1 Rev 00Appendix B Monitoring LLC Using the BCC show CommandsOnline Help for show Commands ...

Configuring LLC Services4-8308635-15.1 Rev 00Using the BCCTo configure LLC2 timers, navigate to the LLC2 interface prompt (for example, box; ethernet

Customizing LLC Services308635-15.1 Rev 004-9 Specifying the Maximum Number of PDU Retries After TimeoutThe following sections describe how to specify

Configuring LLC Services4-10308635-15.1 Rev 00Setting the Maximum Number of LLC2 Interface ConnectionsThe following sections describe how to set the m

Customizing LLC Services308635-15.1 Rev 004-11 Using Site ManagerTo specify the maximum number of logically independent, end-to-end connections that t

Configuring LLC Services4-12308635-15.1 Rev 00Fine-Tuning LLC2 Interface ParametersUsing the BCC, you can further fine-tune the LLC2 configuration of

Customizing LLC Services308635-15.1 Rev 004-13 Customizing LLC2 over Frame RelayThe following section describes how to customize LLC2 over frame relay

Configuring LLC Services4-14308635-15.1 Rev 00Using Site ManagerTo configure the frame relay virtual MAC address mask, complete the following tasks:En

Customizing LLC Services308635-15.1 Rev 004-15 Using the BCCTo direct multiple client connection requests for a single destination MAC address to a si

Configuring LLC Services4-16308635-15.1 Rev 00Editing Frame Relay PVC MappingsAfter you create a DLCI for the frame relay BNN PVC implementation, you

Customizing LLC Services308635-15.1 Rev 004-17 Using Site ManagerTo edit and delete frame relay PVC mappings that you previously configured, complete

308635-15.1 Rev 00ixFiguresFigure 1-1. Sample Frame Relay Network ...1-4Figure 1-2. LLC

Configuring LLC Services4-18308635-15.1 Rev 00Using the BCCTo edit frame relay SVC mappings for LLC2, navigate to the LLC2 SVC prompt (for example, bo

Customizing LLC Services308635-15.1 Rev 004-19 Using Site ManagerTo edit and delete frame relay SVC mappings, complete the following tasks:Site Manage

Configuring LLC Services4-20308635-15.1 Rev 00Configuring the LLC Virtual Ring Number for APPN with SRBIf an LLC interface is configured for APPN with

Customizing LLC Services308635-15.1 Rev 004-21 Configuring LLC2 Inbound Traffic FiltersFor descriptive and procedural information about inbound traffi

Configuring LLC Services4-22308635-15.1 Rev 00Using Site ManagerTo delete an LLC2 interface from its associated physical circuit, complete the followi

Customizing LLC Services308635-15.1 Rev 004-23 Using Site ManagerTo delete LLC2 from a router entirely:Site Manager ProcedureYou do this System respon

308635-15.1 Rev 00A-1Appendix ASite Manager ParametersThis appendix contains the Site Manager parameter descriptions for LLC services. You can display

Configuring LLC ServicesA-2308635-15.1 Rev 00The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB

Site Manager Parameters308635-15.1 Rev 00A-3Figure A-1. LLC2 Frame Relay SVC Mapping Add WindowParameter: MAC AddressPath: Configuration Manager >