Avaya Configuring DLSw Services (308622-14.20 Rev 00) Uživatelský manuál

BayRS Version 14.20Part No. 308622-14.20 Rev 00September 2000600 Technology Park DriveBillerica, MA 10821-4130Configuring DLSw Services

x308622-14.20 Rev 00Appendix A Site Manager ParametersUsing the Parameter Descriptions ...

Configuring DLSw Services3-6308622-14.20 Rev 00Starting DLSw over Token RingThe following sections describe how to start DLSw over token ring using th

Starting DLSw Services308622-14.20 Rev 003-7 6.Specify the token ring interface on which you want to configure SRB, LLC2, and DLSw.box# token-ring 2/1

Configuring DLSw Services3-8308622-14.20 Rev 00Starting DLSw over FDDIThe following sections describe how to configure DLSw over FDDI using the BCC or

Starting DLSw Services308622-14.20 Rev 003-9 2.Specify a slot for the IP interface and the IP address to use for TCP connections based on this slot. F

Configuring DLSw Services3-10308622-14.20 Rev 00Using Site ManagerTo enable DLSw over FDDI, complete the following tasks:Site Manager ProcedureYou do

Starting DLSw Services308622-14.20 Rev 003-11 Starting DLSw over SDLCThe following sections describe how to configure DLSw over SDLC using the BCC or

Configuring DLSw Services3-12308622-14.20 Rev 008. Configure DLSw on the serial interface.sdlc/serial/5/2# dlswdlsw/serial/5/2#9. Configure a local de

Starting DLSw Services308622-14.20 Rev 003-13 • IDNUM• XID Format• Source (Virtual) MAC (hex)• Destination MAC (hex)• Source (Virtual) SAP (hex)• Dest

Configuring DLSw Services3-14308622-14.20 Rev 008. Set the following parameters:• DLSw RFC Version• DLSw Virtual Ring ID (hex)• DLSw Peer IP Address (

Starting DLSw Services308622-14.20 Rev 003-15 Starting DLSw over Frame RelayWhen configuring DLSw over frame relay, IBM provides two types of frame re

308622-14.20 Rev 00xiAppendix B Criteria for DLSw PrioritizationPredefined DLSw Criteria ...

Configuring DLSw Services3-16308622-14.20 Rev 002. Specify a slot for the IP interface and the IP address to use for TCP connections based on this slo

Starting DLSw Services308622-14.20 Rev 003-17 Using Site ManagerWhen you select BAN, SRB is automatically enabled and you must configure it. Specifica

Configuring DLSw Services3-18308622-14.20 Rev 00Starting DLSw over Frame Relay BNNBecause the BNN format does not carry the destination MAC address, i

Starting DLSw Services308622-14.20 Rev 003-19 Using the BCCTo configure DLSw on a frame relay BNN interface using PVCs, you first configure DLSw globa

Configuring DLSw Services3-20308622-14.20 Rev 009. Configure the number of the virtual circuit to which you are mapping the local or remote MAC addres

Starting DLSw Services308622-14.20 Rev 003-21 Using SVCsIf you use SVCs to connect two devices over the network, it is not necessary to preconfigure v

Configuring DLSw Services3-22308622-14.20 Rev 00Remote MappingUse remote mapping to map a remote MAC address to a remote data network address (DNA) fo

Starting DLSw Services308622-14.20 Rev 003-23 4.Specify a serial interface on which you want to configure frame relay, LLC2, and DLSw.box# serial 3/1s

Configuring DLSw Services3-24308622-14.20 Rev 00Using Site ManagerTo enable DLSw over frame relay BNN using SVCs, complete the following tasks:Site Ma

Starting DLSw Services308622-14.20 Rev 003-25 Starting DLSw over QLLCTo configure an X.25 network interface circuit for QLLC:1. Add an entry to the QL

xii308622-14.20 Rev 00Appendix D Monitoring DLSw Using the BCC show Commandsshow dlsw all ...

Configuring DLSw Services3-26308622-14.20 Rev 00Starting DLSw over ATM LANEThe following sections describe how to configure DLSw over ATM LANE using t

Starting DLSw Services308622-14.20 Rev 003-27 2.Specify a slot for the IP interface and the IP address to use for TCP connections based on this slot.

Configuring DLSw Services3-28308622-14.20 Rev 00To enable DLSw over ATM LANE, complete the following tasks:Site Manager ProcedureYou do this System re

Starting DLSw Services308622-14.20 Rev 003-29 12. Do one of the following:• If you selected Unspecified or IEEE8023 for the emulated LAN type, set the

Configuring DLSw Services3-30308622-14.20 Rev 00Deleting DLSw from an InterfaceTo delete DLSw from an interface, navigate to the dlsw prompt and enter

Starting DLSw Services308622-14.20 Rev 003-31 Using Site ManagerTo delete DLSw from a router entirely:Site Manager ProcedureYou do this System respond

308622-14.20 Rev 004-1 Chapter 4Customizing DLSw ServicesWhen you start DLSw on the router, default values are in effect for all parameters. Depending

Configuring DLSw Services4-2308622-14.20 Rev 00Adding Single-Switch DLSw ServicesWhen configuring a DLSw single-switch network, DLSw is enabled on eac

Customizing DLSw Services308622-14.20 Rev 004-3 To configure single-switch DLSw services on the router, you define:• DLSw basic global parameters• DLS

308622-14.20 Rev 00xiiiFiguresFigure 1-1. Addressing a Message to an IP Multicast Group ...1-8Figure 1-2. Receiving

Configuring DLSw Services4-4308622-14.20 Rev 00DLSw SAP TableEvery data packet contains a 1-byte destination SAP and source SAP. You can select whethe

Customizing DLSw Services308622-14.20 Rev 004-5 • Router A, the central site router, supports both SNA and NetBIOS traffic. SNA session traffic uses S

Configuring DLSw Services4-6308622-14.20 Rev 00Adding a DLSw SAP Table EntryThe following sections describe how to add a DLSw SAP table entry using th

Customizing DLSw Services308622-14.20 Rev 004-7 Editing a DLSw SAP Table EntryThe following sections describe how to edit a DLSw SAP table entry using

Configuring DLSw Services4-8308622-14.20 Rev 00To edit the SAP Window parameter associated with a particular DLSw SAP, complete the following tasks:Ad

Customizing DLSw Services308622-14.20 Rev 004-9 Figure 4-3. DLSw Dual-Switch Network ExampleTo configure dual-switch DLSw services on the router, you

Configuring DLSw Services4-10308622-14.20 Rev 002. Return to the dlsw prompt:slot-ip/4# dlsw3.Enter the following commands:dlsw# virtual-ring <ring

Customizing DLSw Services308622-14.20 Rev 004-11 For example, the following commands specify a virtual ring ID of 0x001, rfc type 1434, virtual ring m

Configuring DLSw Services4-12308622-14.20 Rev 00DLSw Slot Table Each slot on a Nortel Networks router running DLSw acts as an independent data link sw

Customizing DLSw Services308622-14.20 Rev 004-13 Figure 4-4 shows a sample network with three routers running DLSw. Although many options exist for th

xiv308622-14.20 Rev 00Figure 2-6. Independent DLSw/Translation Bridge Network ...2-9Figure 2-7. DLSw Services in

Configuring DLSw Services4-14308622-14.20 Rev 00Figure 4-4. Sample Network with Slot Table DefinitionsSlot 1Slot 2Slot 1Slot 3Slot 4DLSwDLSwDLSwDLSwDL

Customizing DLSw Services308622-14.20 Rev 004-15 Adding a DLSw Slot IP Table EntryThe following sections describe how to add a DLSw slot IP table entr

Configuring DLSw Services4-16308622-14.20 Rev 00Editing a DLSw Slot IP Table EntryThe following sections describe how to edit a DLSw slot IP table ent

Customizing DLSw Services308622-14.20 Rev 004-17 To edit the IP address associated with a particular slot, complete the following tasks:DLSw Peer IP T

Configuring DLSw Services4-18308622-14.20 Rev 00IP addresses in the local router’s peer IP table must also appear in the slot table of a remote router

Customizing DLSw Services308622-14.20 Rev 004-19 Peers that you define as TCP or UDP will cause the local router to use TCP or UDP explorer frames res

Configuring DLSw Services4-20308622-14.20 Rev 00Unconfigured PeersA Nortel Networks router running DLSw can respond to requests from remote routers to

Customizing DLSw Services308622-14.20 Rev 004-21 Figure 4-5. Sample Network with Peer IP Table DefinitionsWhen using dual-switch mode, you do not conf

Configuring DLSw Services4-22308622-14.20 Rev 00Adding a DLSw Peer IP Table EntryThe following sections describe how to add a DLSw peer IP table entry

Customizing DLSw Services308622-14.20 Rev 004-23 Editing a DLSw Peer IP Table EntryThe following sections describe how to edit a DLSw peer IP table en

308622-14.20 Rev 00xvFigure A-27. DLSw MAC Address Translation Window ... A-84Figure A-28. DLSw MAC Address

Configuring DLSw Services4-24308622-14.20 Rev 00backup-type <bu_type>bu_type is the DLSw backup peer type. Values are multicast, v20udp v20unkno

Customizing DLSw Services308622-14.20 Rev 004-25 Using Site ManagerTo edit configured peers, complete the following tasks:Configuring DLSw Local Devic

Configuring DLSw Services4-26308622-14.20 Rev 00source_mac is the source MAC address of an emulated token ring end station for this device. The option

Customizing DLSw Services308622-14.20 Rev 004-27 Using Site ManagerTo configure a local device, complete the following tasks:Site Manager ProcedureYou

Configuring DLSw Services4-28308622-14.20 Rev 009. Edit the following parameters for the device:• Source (Virtual) MAC (hex)• Source (Virtual) SAP (he

Customizing DLSw Services308622-14.20 Rev 004-29 Editing a Local DeviceThe following sections describe how to edit a local device using the BCC or Sit

Configuring DLSw Services4-30308622-14.20 Rev 00canureach-timer-2 <canureach_timer_2>canureach_timer_2 specifies the time interval (in seconds)

Customizing DLSw Services308622-14.20 Rev 004-31 link-station-timer <link_station_timer>link_station_timer sets the time interval (in seconds) a

Configuring DLSw Services4-32308622-14.20 Rev 00tx-credit <tx_credit>tx_credit is the maximum number of frames that DLSw can send to the SDLC. T

Customizing DLSw Services308622-14.20 Rev 004-33 Configuring Predefined MACs and NamesNortel Networks routers in your network learn about the location

Configuring DLSw Services4-34308622-14.20 Rev 00Setting the NetBIOS and MAC Cache Age TimersThe following sections describe how to set the NetBIOS and

Customizing DLSw Services308622-14.20 Rev 004-35 Statically Defined Remote SystemsTo reduce DLSw broadcasts, you can statically define the IP addresse

Configuring DLSw Services4-36308622-14.20 Rev 00Adding a DLSw Default NetBIOS Peer IP Table EntryThe following sections describe how to add a DLSw def

Customizing DLSw Services308622-14.20 Rev 004-37 Editing a DLSw Default NetBIOS Peer IP Table EntryThe following sections describe how to edit a DLSw

Configuring DLSw Services4-38308622-14.20 Rev 00Using Site ManagerYou can edit only the Default NetBIOS Peer IP Address parameter in a default NetBIOS

Customizing DLSw Services308622-14.20 Rev 004-39 For example, to specify a MAC peer with the address 123456789012 and an IP address of 1.2.3.4, enter:

Configuring DLSw Services4-40308622-14.20 Rev 00peer_ip_addr is the IP address of a remote DLSw peer that can reach the remote SNA system or applicati

Customizing DLSw Services308622-14.20 Rev 004-41 Configuring DLSw PackagingPackaging allows multiple DLSw frames (consisting of user data and DLSw’s S

Configuring DLSw Services4-42308622-14.20 Rev 00Using Site ManagerTo configure DLSw packaging, complete the following tasks:Site Manager ProcedureYou

Customizing DLSw Services308622-14.20 Rev 004-43 Configuring the DLSw/APPN Boundary FunctionInstructions for configuring the DLSw/APPN boundary functi

308622-14.20 Rev 00xviiTablesTable A-1. Customizing the DLSw Support Protocols ... A-3Table A-2. IDBLOCK Nu

Configuring DLSw Services4-44308622-14.20 Rev 00Step 2: Creating a Virtual Circuit and Adding a DLSw InterfaceTo create a virtual circuit and add a DL

Customizing DLSw Services308622-14.20 Rev 004-45 Step 3: Obtaining the Virtual Circuit NumberSite Manager assigns a circuit number to each virtual cir

Configuring DLSw Services4-46308622-14.20 Rev 00Step 4: Adding an APPN Interface to an Existing Virtual CircuitTo add an APPN interface to an existing

Customizing DLSw Services308622-14.20 Rev 004-47 Configuring DLSw for IP MulticastingTo configure DLSw for IP multicasting, you must:• Configure DLSw

Configuring DLSw Services4-48308622-14.20 Rev 00To add DLSw IP multicasting support to a router, navigate to the dlsw global prompt (for example, box;

Customizing DLSw Services308622-14.20 Rev 004-49 Using Site ManagerTo add DLSw IP multicasting support to a router that is already running DLSw, compl

Configuring DLSw Services4-50308622-14.20 Rev 00Adding IP Multicasting to Slots in a DLSw Router Running IP MulticastTo add IP multicasting to slots i

Customizing DLSw Services308622-14.20 Rev 004-51 Editing IP Multicasting ParametersThe following sections describe how to edit IP multicasting paramet

Configuring DLSw Services4-52308622-14.20 Rev 00Configuring DLSw Backup PeersWhen you configure a primary peer, you can also configure a peer to back

Customizing DLSw Services308622-14.20 Rev 004-53 backup-hold-time <bu_hold_time>bu_hold_time is the time to wait (in seconds) after the primary

Configuring DLSw Services4-54308622-14.20 Rev 00Using Site ManagerTo configure DLSw backup peers for an RFC 2166 (multicast) peer, complete the follow

Customizing DLSw Services308622-14.20 Rev 004-55 Using the BCCTo configure DLSw backup peers for an RFC 1434, 1795, or DLSw V2.0 peer, navigate to the

Configuring DLSw Services4-56308622-14.20 Rev 00peer-interoperability <peer_interoperability>peer_interoperability allows Nortel Networks router

Customizing DLSw Services308622-14.20 Rev 004-57 Enabling RSVP for DLSwTo enable DLSw RSVP support, complete the following tasks:4. Click on the remot

Configuring DLSw Services4-58308622-14.20 Rev 00Configuring DLSw RSVP PeersTo configure RSVP parameters for DLSw peers, complete the following tasks:E

Customizing DLSw Services308622-14.20 Rev 004-59 Specifying SRB or TB for DLSw over ATM Token Ring LANEWhen you configure DLSw over an ATM token ring

Configuring DLSw Services4-60308622-14.20 Rev 00To specify the original destination MAC address and the address to which you want it translated, navig

Customizing DLSw Services308622-14.20 Rev 004-61 Using Site ManagerTo enable MAC address translation, complete the following steps:To specify the orig

Configuring DLSw Services4-62308622-14.20 Rev 00To change the translated destination MAC address, complete the following steps:5. Edit the following p

Customizing DLSw Services308622-14.20 Rev 004-63 Configuring BAN-2 TerminationThe following sections describe how to configure BAN-2 termination using

308622-14.20 Rev 00xix PrefaceThis guide describes data link switching (DLSw) and what you do to start and customize DLSw services on a Nortel Network

Configuring DLSw Services4-64308622-14.20 Rev 00Configuring DLSw PrioritizationDLSw prioritization is an outbound filtering mechanism that allows you

Customizing DLSw Services308622-14.20 Rev 004-65 Enabling the Default Queues for Configured and Unconfigured PeersTo enable the default queues for con

Configuring DLSw Services4-66308622-14.20 Rev 00To customize the default queue configuration, complete the following tasks:Configuring Peer-Specific P

Customizing DLSw Services308622-14.20 Rev 004-67 Priority Queues for a Specific DLSw PeerTo configure priority queues for a specific DLSw peer, comple

Configuring DLSw Services4-68308622-14.20 Rev 00Enabling or Disabling a Single Peer’s Priority QueuesTo enable or disable the queues that you configur

Customizing DLSw Services308622-14.20 Rev 004-69 To customize a specific DLSw peer queue, complete the following tasks:Creating DLSw Priority FiltersO

Configuring DLSw Services4-70308622-14.20 Rev 00The sample templates place SNA traffic in Q0 (the default queue) and NetBIOS traffic in Q1. Using the

Customizing DLSw Services308622-14.20 Rev 004-71 13. Click on OK. The Filter Template Management window opens.14. Click on Done or, to apply the templ

308622-14.20 Rev 00A-1 Appendix ASite Manager ParametersThis appendix describes the DLSw service parameters in the order listed in the Site Manager wi

ii308622-14.20 Rev 00 Copyright © 2000 Nortel NetworksAll rights reserved. September 2000.The information in this document is subject to change withou

Configuring DLSw Servicesxx308622-14.20 Rev 00Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indicate that

Configuring DLSw ServicesA-2308622-14.20 Rev 00Using the Parameter DescriptionsEach DLSw parameter description provides information about default sett

Site Manager Parameters308622-14.20 Rev 00A-3 You may be required to customize the LLC2, TCP/IP, SDLC, or SRB parameters as well, since they support D

Configuring DLSw ServicesA-4308622-14.20 Rev 00Figure A-1. DLSw Basic Global Parameters WindowParameter: DLSw RFC VersionPath: Configuration Manager &

Site Manager Parameters308622-14.20 Rev 00A-5 Parameter: DLSw Virtual Ring ID (hex)Path: Configuration Manager > Protocols > DLSw > Basic Glo

Configuring DLSw ServicesA-6308622-14.20 Rev 00Parameter: DLSw NetBIOS SupportPath: Configuration Manager > Protocols > DLSw > Basic GlobalDe

Site Manager Parameters308622-14.20 Rev 00A-7 For DLSw running over token ring (or other SRB network) or frame relay BAN (Bridged SNA, RFC 1490, or LL

Configuring DLSw ServicesA-8308622-14.20 Rev 00DLSw Basic Interface ParametersThe DLSw Basic Interface Parameters window (Figure A-3) lets you specify

Site Manager Parameters308622-14.20 Rev 00A-9 For DLSw running over token ring or frame relay BAN, the DLSw Basic Interface Parameters window (Figure

Configuring DLSw ServicesA-10308622-14.20 Rev 00DLSw Advanced Global ParametersThe Edit DLSw Global Parameters window (Figure A-5) includes the basic

Site Manager Parameters308622-14.20 Rev 00A-11 Figure A-5. Edit DLSw Global Parameters Window

Preface308622-14.20 Rev 00xxi AcronymsThis guide uses the following acronyms:separator ( > ) Shows menu paths. Example: Protocols > IP identifie

Configuring DLSw ServicesA-12308622-14.20 Rev 00Parameter: EnablePath: Configuration Manager > Protocols > DLSw > Advanced > GlobalDefault

Site Manager Parameters308622-14.20 Rev 00A-13 Parameter: TCP Window SizePath: Configuration Manager > Protocols > DLSw > Advanced > Globa

Configuring DLSw ServicesA-14308622-14.20 Rev 00Parameter: DLSw IP Virtual Ring (hex)Path: Configuration Manager > Protocols > DLSw > Advance

Site Manager Parameters308622-14.20 Rev 00A-15 Parameter: Max Slot SessionsPath: Configuration Manager > Protocols > DLSw > Advanced > Glo

Configuring DLSw ServicesA-16308622-14.20 Rev 00Parameter: Virtual Ring MTUPath: Configuration Manager > Protocols > DLSw > Advanced > Glo

Site Manager Parameters308622-14.20 Rev 00A-17 Parameter: MAC Cache Age (secs)Path: Configuration Manager > Protocols > DLSw > Advanced >

Configuring DLSw ServicesA-18308622-14.20 Rev 00Parameter: DLSw RFC VersionPath: Configuration Manager > Protocols > DLSw > Advanced > Glo

Site Manager Parameters308622-14.20 Rev 00A-19 Parameter: Packaging Timeout (msec)Path: Configuration Manager > Protocols > DLSw > Advanced &

Configuring DLSw ServicesA-20308622-14.20 Rev 00Parameter: Multislot BroadcastsPath: Configuration Manager > Protocols > DLSw > Advanced >

Site Manager Parameters308622-14.20 Rev 00A-21 Parameter: NetBIOS Session Alive FilterPath: Configuration Manager > Protocols > DLSw > Advanc

Configuring DLSw Servicesxxii308622-14.20 Rev 00DVMRP Distance Vector Multicast Routing ProtocolEASF Ethernet Access Synchronous FilterEFI expidited f

Configuring DLSw ServicesA-22308622-14.20 Rev 00Parameter: KeepAlive Retry Timer (sec)Path: Configuration Manager > Protocols > DLSw > Advanc

Site Manager Parameters308622-14.20 Rev 00A-23 Parameter: SNA Fallback AttemptsPath: Configuration Manager > Protocols > DLSw > Advanced >

Configuring DLSw ServicesA-24308622-14.20 Rev 00Parameter: TCP Inact Time (sec)Path: Configuration Manager > Protocols > DLSw > Advanced >

Site Manager Parameters308622-14.20 Rev 00A-25 Parameter: Multislot Cache UpdatePath: Configuration Manager > Protocols > DLSw > Advanced >

Configuring DLSw ServicesA-26308622-14.20 Rev 00DLSw Advanced Interface Configuration ParametersThe DLSw Interface Configuration window (Figure A-6) c

Site Manager Parameters308622-14.20 Rev 00A-27 Parameter: EnablePath: Configuration Manager > Protocols > DLSw > Advanced > InterfacesDefa

Configuring DLSw ServicesA-28308622-14.20 Rev 00Adding Local Device Configuration ParametersThe Local Device Configuration window (Figure A-7) contain

Site Manager Parameters308622-14.20 Rev 00A-29 Figure A-7. Local Device Configuration Window

Configuring DLSw ServicesA-30308622-14.20 Rev 00Parameter: DLSw ModePath: Configuration Manager > Protocols > DLSw > Local Devices > AddDe

Site Manager Parameters308622-14.20 Rev 00A-31 Parameter: PU NamePath: Configuration Manager > Protocols > DLSw > Local Devices > AddDefau

Preface308622-14.20 Rev 00xxiii PU physical unitPVC permanent virtual circuitQLLC qualified logical link controlRFC Request for CommentsRIF routing in

Configuring DLSw ServicesA-32308622-14.20 Rev 00Parameter: IDBLOCKPath: Configuration Manager > Protocols > DLSw > Local Devices > AddDefa

Site Manager Parameters308622-14.20 Rev 00A-33 Table A-2. IDBLOCK Numbers for Switched PUsDevice IDBLOCK NumberNPSI 0033770 0043650/3680 0056100/3790

Configuring DLSw ServicesA-34308622-14.20 Rev 00Parameter: IDNUMPath: Configuration Manager > Protocols > DLSw > Local Devices > AddDefaul

Site Manager Parameters308622-14.20 Rev 00A-35 Parameter: XID FormatPath: Configuration Manager > Protocols > DLSw > Local Devices > AddDe

Configuring DLSw ServicesA-36308622-14.20 Rev 00Parameter: Source (Virtual) SAP (hex)Path: Configuration Manager > Protocols > DLSw > Local D

Site Manager Parameters308622-14.20 Rev 00A-37 Parameter: MAXOUTPath: Configuration Manager > Protocols > DLSw > Local Devices > AddDefaul

Configuring DLSw ServicesA-38308622-14.20 Rev 00Parameter: Canureach RetriesPath: Configuration Manager > Protocols > DLSw > Local Devices &g

Site Manager Parameters308622-14.20 Rev 00A-39 Parameter: Canureach Retries2Path: Configuration Manager > Protocols > DLSw > Local Devices &g

Configuring DLSw ServicesA-40308622-14.20 Rev 00Parameter: Link Station RetriesPath: Configuration Manager > Protocols > DLSw > Local Devices

Site Manager Parameters308622-14.20 Rev 00A-41 Parameter: SDLC Transmit CreditPath: Configuration Manager > Protocols > DLSw > Local Devices

Configuring DLSw Servicesxxiv308622-14.20 Rev 00Related PublicationsFor more information about using DLSw, refer to the following publications:• Dixon

Configuring DLSw ServicesA-42308622-14.20 Rev 00Parameter: Device Activation SeqPath: Configuration Manager > Protocols > DLSw > Local Device

Site Manager Parameters308622-14.20 Rev 00A-43 Local Device Configuration ParametersThe DLS Local Device Configuration window (Figure A-8) allows you

Configuring DLSw ServicesA-44308622-14.20 Rev 00For the rest of the parameter descriptions, see the preceding section, “Adding Local Device Configurat

Site Manager Parameters308622-14.20 Rev 00A-45 DLSw Peer IP Table Entry ParametersThe DLSw Peer Configuration window (Figure A-10) contains several pa

Configuring DLSw ServicesA-46308622-14.20 Rev 00Parameter: Protocol PriorityPath: Configuration Manager > Protocols > DLSw > Peer IP TableDef

Site Manager Parameters308622-14.20 Rev 00A-47 Parameter: Transport TypePath: Configuration Manager > Protocols > DLSw > Peer IP TableDefault

Configuring DLSw ServicesA-48308622-14.20 Rev 00Parameter: Backup ConfigPath: Configuration Manager > Protocols > DLSw > Peer IP TableDefault

Site Manager Parameters308622-14.20 Rev 00A-49 Parameter: Backup Max Up TimePath: Configuration Manager > Protocols > DLSw > Peer IP TableDef

Configuring DLSw ServicesA-50308622-14.20 Rev 00Parameter: Backup Start Time (hhmm)Path: Configuration Manager > Protocols > DLSw > Peer IP T

Site Manager Parameters308622-14.20 Rev 00A-51 DLSw Peer RSVP ParametersThe Edit DLSw Peer RSVP Parameters window (Figure A-11) contains parameters th

Preface308622-14.20 Rev 00xxv You can purchase selected documentation sets, CDs, and technical publications through the Internet at the www1.fatbrain.

Configuring DLSw ServicesA-52308622-14.20 Rev 00Parameter: RSVP ModePath: Configuration Manager > Protocols > DLSw > Peer IP Table > DLSw

Site Manager Parameters308622-14.20 Rev 00A-53 Parameter: Outgoing Burst SizePath: Configuration Manager > Protocols > DLSw > Peer IP Table &

Configuring DLSw ServicesA-54308622-14.20 Rev 00Parameter: Non-Peak Outgoing BandwidthPath: Configuration Manager > Protocols > DLSw > Peer I

Site Manager Parameters308622-14.20 Rev 00A-55 Parameter: Non-Peak Incoming Burst SizePath: Configuration Manager > Protocols > DLSw > Peer I

Configuring DLSw ServicesA-56308622-14.20 Rev 00Note: If the Non-Peak Start Time value is greater than the Non-Peak End Time value, the router assumes

Site Manager Parameters308622-14.20 Rev 00A-57 Adding DLSw Slot IP Table Entry ParametersThe DLSw Slot Configuration window (Figure A-12) contains the

Configuring DLSw ServicesA-58308622-14.20 Rev 00Figure A-12. Add DLSw Slot Configuration Window Parameter: SlotPath: Configuration Manager > Protoc

Site Manager Parameters308622-14.20 Rev 00A-59 DLSw Slot IP Table Entry ParameterThe DLSw Slot Configuration window (Figure A-13) contains a parameter

Configuring DLSw ServicesA-60308622-14.20 Rev 00Adding DLSw SAP Table Entry ParametersThe DLSw SAP Parameter window (Figure A-14) allows you to enter

Site Manager Parameters308622-14.20 Rev 00A-61 DLSw SAP Table Entry ParameterThe DLSw SAP Configuration window (Figure A-15) allows you to change the

Configuring DLSw ServicesA-62308622-14.20 Rev 00Adding DLSw Default NetBIOS Peer IP Table Entry ParametersThe DLSw NetBIOS Configuration window (Figur

Site Manager Parameters308622-14.20 Rev 00A-63 Figure A-16. DLSw NetBIOS Configuration WindowParameter: NetBIOS NamePath: Configuration Manager > P

Configuring DLSw ServicesA-64308622-14.20 Rev 00DLSw Default NetBIOS Peer IP Table Entry ParameterThe DLSw NetBIOS Peer Configuration window (Figure A

Site Manager Parameters308622-14.20 Rev 00A-65 Adding DLSw MAC Peer IP Table Entry ParametersThe DLSw MAC Configuration window (Figure A-18) contains

Configuring DLSw ServicesA-66308622-14.20 Rev 00Figure A-18. DLSw MAC Configuration WindowParameter: MAC AddressPath: Configuration Manager > Proto

Site Manager Parameters308622-14.20 Rev 00A-67 Default MAC Peer IP Table Entry ParameterThe DLSw MAC Peer Configuration window (Figure A-19) contains

Configuring DLSw ServicesA-68308622-14.20 Rev 00VCCT Slot ParameterThe VCCT Slot Configuration window (Figure A-20) contains the Slot Number parameter

Site Manager Parameters308622-14.20 Rev 00A-69 VCCT Circuit Configuration ParameterThe VCCT Cct Configuration window (Figure A-21) contains the Circui

Configuring DLSw ServicesA-70308622-14.20 Rev 00Enabling VCCT Global ParameterThe Edit VCCT Global Parameters window (Figure A-22) contains the Enable

Site Manager Parameters308622-14.20 Rev 00A-71 Figure A-22. Edit VCCT Global Parameters WindowEnabling VCCT Interface ParameterThe VCCT circuits windo

308622-14.20 Rev 001-1 Chapter 1Data Link Switching OverviewThis chapter includes the following information about data link switching (DLSw) services:

Configuring DLSw ServicesA-72308622-14.20 Rev 00Figure A-23. VCCT Circuits WindowAdding DLSw Multicast ParametersThe DLSw Multicast Configuration wind

Site Manager Parameters308622-14.20 Rev 00A-73 Figure A-24. Add DLSw Multicast Configuration WindowParameter: Multicast IP AddressPath: Configuration

Configuring DLSw ServicesA-74308622-14.20 Rev 00DLSw Multicast and Backup Peer ParametersThe DLSw Multicast Configuration window (Figure A-25) contain

Site Manager Parameters308622-14.20 Rev 00A-75 Parameter: Multicast IP SlotsPath: Configuration Manager > DLSw > Multicast IP Table > Multica

Configuring DLSw ServicesA-76308622-14.20 Rev 00Parameter: Backup Peer TypePath: Configuration Manager > DLSw > Multicast IP Table > Multicas

Site Manager Parameters308622-14.20 Rev 00A-77 Parameter: Backup Hold Down Time (sec)Path: Configuration Manager > DLSw > Multicast IP Table >

Configuring DLSw ServicesA-78308622-14.20 Rev 00Parameter: Backup End Time (hhmm)Path: Configuration Manager > DLSw > Multicast IP Table > Mu

Site Manager Parameters308622-14.20 Rev 00A-79 DLSw RSVP Global ParametersThe Edit DLSw RSVP Global Parameters window (Figure A-26) contains parameter

Configuring DLSw ServicesA-80308622-14.20 Rev 00Parameter: Outgoing BandwidthPath: Configuration Manager > Protocols > DLSw > DLSw RSVP Globa

Site Manager Parameters308622-14.20 Rev 00A-81 Parameter: Incoming Burst SizePath: Configuration Manager > Protocols > DLSw > DLSw RSVP Globa

Configuring DLSw Services1-2308622-14.20 Rev 00You should review this chapter if you are responsible for configuring DLSw on one or more Nortel Networ

Configuring DLSw ServicesA-82308622-14.20 Rev 00Parameter: Non-Peak Incoming BandwidthPath: Configuration Manager > Protocols > DLSw > DLSw R

Site Manager Parameters308622-14.20 Rev 00A-83 Parameter: Non-Peak End TimePath: Configuration Manager > Protocols > DLSw > DLSw RSVP GlobalD

Configuring DLSw ServicesA-84308622-14.20 Rev 00Adding MAC Address Translation ParametersThe DLSw MAC Address Translation window (Figure A-27) allows

Site Manager Parameters308622-14.20 Rev 00A-85 DLSw MAC Address Translation TableThe DLSw MAC Address Translation Table window (Figure A-28) allows yo

Configuring DLSw ServicesA-86308622-14.20 Rev 00Global DLSw Protocol Priority ParametersThe Global DLSw PP Parameters/Defaults window (Figure A-29) co

Site Manager Parameters308622-14.20 Rev 00A-87 Parameter: Protocol Priority (PP)Path: Configuration Manager > Protocols > DLSw > Prot Priorit

Configuring DLSw ServicesA-88308622-14.20 Rev 00Parameter: Max Queue Buffers for Unconfig PeersPath: Configuration Manager > Protocols > DLSw &g

Site Manager Parameters308622-14.20 Rev 00A-89 Parameter: Default BandwidthsPath: Configuration Manager > Protocols > DLSw > Prot Prioritizat

Configuring DLSw ServicesA-90308622-14.20 Rev 00Peer Queue Configuration ParametersThe Peer Queue Configuration window (Figure A-30) summarizes the pr

Site Manager Parameters308622-14.20 Rev 00A-91 Parameter: Protocol PriorityPath: Configuration Manager > Protocols > DLSw > Prot Prioritizati

Data Link Switching Overview308622-14.20 Rev 001-3 Nortel Networks InteroperabilityThe Nortel Networks DLSw implementation is fully interoperable with

Configuring DLSw ServicesA-92308622-14.20 Rev 00Adding Queue ParametersThe Add Queue window (Figure A-31) contains two parameters that let you specify

Site Manager Parameters308622-14.20 Rev 00A-93 DLS Priority Filters ParametersThe DLS Priority/Outbound Filters window (Figure A-32) shows the existin

Configuring DLSw ServicesA-94308622-14.20 Rev 00Figure A-32. DLS Priority/Outbound Filters WindowParameter: Filter EnablePath: Configuration Manager &

Site Manager Parameters308622-14.20 Rev 00A-95 Parameter: Filter NamePath: Configuration Manager > Protocols > DLSw > Prot Prioritization (Ou

308622-14.20 Rev 00B-1 Appendix BCriteria for DLSw PrioritizationThis appendix includes both the DLSw predefined criteria that Site Manager’s Configur

Configuring DLSw ServicesB-2308622-14.20 Rev 00Predefined DLSw CriteriaYou configure outbound filters for DLSw traffic from predefined criteria based

Criteria for DLSw Prioritization308622-14.20 Rev 00B-3 DLSw Reference PointsTables B-2 and B-3 list the predefined DLSw reference points for outbound

Configuring DLSw ServicesB-4308622-14.20 Rev 00Specifying MAC Address RangesWhen you create a filter that includes a source or destination MAC address

Criteria for DLSw Prioritization308622-14.20 Rev 00B-5 Source Routing Bridge Functional MAC AddressesFunctional MAC addresses are destination MAC addr

308622-14.20 Rev 00iiithese terms and conditions, return the product, unused and in the original shipping container, within 30 days of purchase to obt

Configuring DLSw Services1-4308622-14.20 Rev 00Differences Between RFC 1795 and RFC 1434Based on RFC 1434, RFC 1795 describes new features as well as

Configuring DLSw ServicesB-6308622-14.20 Rev 00Specifying Source and Destination SAP Code RangesTable B-6 lists several SAP codes to use when specifyi

308622-14.20 Rev 00C-1 Appendix CTroubleshooting DLSw NetworksThis appendix provides the following information about diagnosing and troubleshooting DL

Configuring DLSw ServicesC-2308622-14.20 Rev 00Viewing the DLSw LogYou view the log file containing Nortel Networks event and debug messages using the

Troubleshooting DLSw Networks308622-14.20 Rev 00C-3 Table C-1 lists each subsystem, the Technician Interface command that enables extended logging for

Configuring DLSw ServicesC-4308622-14.20 Rev 00Table C-2 shows more detailed information about the enabling bits shown in Table C-1.Table C-2. Log Mes

Troubleshooting DLSw Networks308622-14.20 Rev 00C-5 Using and Decoding the DLSw LogThis section provides general information about DLSw states and eve

Configuring DLSw ServicesC-6308622-14.20 Rev 00Table C-4. DLSw Event TableEventEvent Number (in decimal format)CANUREACH Received 3ICANREACH Received

Troubleshooting DLSw Networks308622-14.20 Rev 00C-7 Sample Log EntriesThis section describes some common sample DLSw event entries that may appear in

Configuring DLSw ServicesC-8308622-14.20 Rev 00Event Code 45# 10: 04/25/95 22:43:01 DEBUG SLOT 1 DLS Event Code: 45SSP XID frame rcvd in LLC, c

Troubleshooting DLSw Networks308622-14.20 Rev 00C-9 • If the destination device resides on an attached LAN, then this device responds by broadcasting

Data Link Switching Overview308622-14.20 Rev 001-5 Beginning with BayRS Version 11.02, unicast UDP support allows you to do the following:• Use unicas

Configuring DLSw ServicesC-10308622-14.20 Rev 00Figure C-1. Sample DLSw/LLC2 Network Connection Sequence (RFC 1434)Token ringHostRouter ATerminalLLC P

Troubleshooting DLSw Networks308622-14.20 Rev 00C-11 Reviewing the Network LogThis section describes the debug event messages that Router B logs when

Configuring DLSw ServicesC-12308622-14.20 Rev 00The host computer generates an SABME frame and sends it to router A. Router A returns UA and receiver

Troubleshooting DLSw Networks308622-14.20 Rev 00C-13 Figure C-2. Sample DLSw/SDLC Network Connection SequenceToken ringHostRouter ATerminalSDLC PU 2.0

Configuring DLSw ServicesC-14308622-14.20 Rev 00Reviewing the Network Connection SequenceThis section describes the debug event messages that router B

Troubleshooting DLSw Networks308622-14.20 Rev 00C-15 Router B generates and sends an XIDFRAME-T2 to router A. Router A sends an XID-T2 (P) to the host

Configuring DLSw ServicesC-16308622-14.20 Rev 00The remote router issues a DL_HALTED frame and sends it to the local router.# 20: 04/25/95 22:43:09 D

Troubleshooting DLSw Networks308622-14.20 Rev 00C-17 For example, if you are filtering events from slots 3 and 4, enter:log -fftwid -eDLS -s3 -s42.Mak

Configuring DLSw ServicesC-18308622-14.20 Rev 00If the sessions are not in an established state, do the following:• Make sure all slots configured to

Troubleshooting DLSw Networks308622-14.20 Rev 00C-19 Frame rejects cause session failures.End station MAXIN parameter is smaller than wfLlcInterfaceTw

Configuring DLSw Services1-6308622-14.20 Rev 00TCP, UDP, and Unknown Peer TypesWith DLSw Version 2 unicast, you can configure DLSw peers as type TCP,

Configuring DLSw ServicesC-20308622-14.20 Rev 00File transfers with large packets are slow.DLSw uses more CPU than SRB.The TCP window size is too smal

Troubleshooting DLSw Networks308622-14.20 Rev 00C-21 Common DLSw NonproblemsThe DLSw log often contains debug event messages that report conditions ab

Configuring DLSw ServicesC-22308622-14.20 Rev 00TCP Open Error 29The DLSw peer connections through TCP cannot be activated until the source (local) IP

Troubleshooting DLSw Networks308622-14.20 Rev 00C-23 DLSw Troubleshooting TablesTables C-6 to C-12 provide the following troubleshooting information f

Configuring DLSw ServicesC-24308622-14.20 Rev 00Table C-7. DLSw Interface TroubleshootingProblem Possible Cause Action/SolutionThe DLSw interface stat

Troubleshooting DLSw Networks308622-14.20 Rev 00C-25 Table C-8. TCP TroubleshootingProblem Possible Cause Action/SolutionDLSw/TCP connections do not c

Configuring DLSw ServicesC-26308622-14.20 Rev 00Table C-9. SNA TroubleshootingProblem Possible Cause Action/SolutionSNA stations cannot connect over D

Troubleshooting DLSw Networks308622-14.20 Rev 00C-27 Table C-10. NetBIOS TroubleshootingProblem Possible Cause Action/SolutionNetBIOS stations cannot

Configuring DLSw ServicesC-28308622-14.20 Rev 00Table C-11. LLC TroubleshootingProblem Possible Cause Action/SolutionFrame rejects cause session failu

Troubleshooting DLSw Networks308622-14.20 Rev 00C-29 SDLC does not connect to the host computer.SDLC interface is not active.SDLC local devices are no

Data Link Switching Overview308622-14.20 Rev 001-7 Differences Between RFC 2166 and RFC 1795Comparing RFC 2166 with earlier DLSw RFCs 1434 and 1795 sh

Configuring DLSw ServicesC-30308622-14.20 Rev 00The SDLC connection is up and down. Idle timeout is too short for some configurations.SDLC device is c

Troubleshooting DLSw Networks308622-14.20 Rev 00C-31 Verifying the WAN CablingTables C-13 to C-16 list the specific WAN cables that ensure reliable DL

Configuring DLSw ServicesC-32308622-14.20 Rev 00Table C-15. Octal Sync Interface CablesNortel NetworksCable DescriptionModem/No Modem7932 50-pin to ma

Troubleshooting DLSw Networks308622-14.20 Rev 00C-33 FlowchartsFigure C-3 shows the data flow between two Nortel Networks routers running RFC 1434 (fo

Configuring DLSw ServicesC-34308622-14.20 Rev 00Figure C-4 shows the data flow between two Nortel Networks routers running RFC 1434 (for PU 2.1 over L

Troubleshooting DLSw Networks308622-14.20 Rev 00C-35 Figure C-5 shows the data flow between two Nortel Networks routers running RFC 1795.Figure C-5. D

Configuring DLSw ServicesC-36308622-14.20 Rev 00Figure C-6 shows the data flow between two Nortel Networks routers running DLSw Version 2.0.Figure C-6

Troubleshooting DLSw Networks308622-14.20 Rev 00C-37 Figure C-7 shows the data flow between two Nortel Networks routers running DLSw Version 2.0 and R

Configuring DLSw ServicesC-38308622-14.20 Rev 00Figure C-8 shows the data flow between a Nortel Networks router running DLSw Version 2.0 and one runni

Troubleshooting DLSw Networks308622-14.20 Rev 00C-39 Figure C-9 shows a capabilities exchange between two Nortel Networks routers running DLSw Version

Configuring DLSw Services1-8308622-14.20 Rev 00Assigning an IP Multicast Group Address to a SlotIn an IP multicasting network, a sender--or source--of

Configuring DLSw ServicesC-40308622-14.20 Rev 00Figure C-10 shows a capabilities exchange between a Nortel Networks router running RFC 1795 and one ru

Troubleshooting DLSw Networks308622-14.20 Rev 00C-41 Figure C-11 shows a capabilities exchange between two Nortel Networks routers running DLSw Versio

Configuring DLSw ServicesC-42308622-14.20 Rev 00Figure C-12 shows a capabilities exchange between two Nortel Networks routers running DLSw Version 2.0

Troubleshooting DLSw Networks308622-14.20 Rev 00C-43 Figure C-13. Primary to Secondary SDLC Data Flow Using Single-Switch SNA/Frame RelayFrame relayne

Configuring DLSw ServicesC-44308622-14.20 Rev 00Figure C-14. Primary SDLC to LLC2 Data Flow Using Single-Switch SNA/Frame RelayToken ringFrame relayne

308622-14.20 Rev 00D-1 Appendix DMonitoring DLSw Using the BCC show CommandsThis appendix describes how to use the BCC show commands to obtain DLSw da

Configuring DLSw ServicesD-2308622-14.20 Rev 00show dlsw allThe show dlsw all command shows all information that you can display using the show dlsw g

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-3 The output for show dlsw connections includes the following information:show dlsw gl

Configuring DLSw ServicesD-4308622-14.20 Rev 00The output for show dlsw global basic includes the following information:The output for show dlsw globa

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-5 Debug Level 2 Whether all, no, or specific debug level 2 messages are logged. Specif

Data Link Switching Overview308622-14.20 Rev 001-9 When the router receives a CANUREACH_ex message on a slot configured with IP, the reverse sequence

Configuring DLSw ServicesD-6308622-14.20 Rev 00show dlsw interfacesThe show dlsw interfaces command displays general information about DLSw interfaces

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-7 show dlsw local-devicesThe show dlsw local-devices command shows a list of configure

Configuring DLSw ServicesD-8308622-14.20 Rev 00show dlsw mac-peersThe show dlsw mac-peers command displays a list of configured MAC peers.This command

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-9 show dlsw multicast-ipThe show dlsw multicast-ip command shows a list of configured

Configuring DLSw ServicesD-10308622-14.20 Rev 00The output for show dlsw multicast-ip backup includes the following information:show dlsw netbios-peer

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-11 show dlsw peersThe show dlsw peers command shows a list of configured remote peers

Configuring DLSw ServicesD-12308622-14.20 Rev 00The output for show dlsw peers backup includes the following:show dlsw sapsThe show dlsw saps command

Monitoring DLSw Using the BCC show Commands308622-14.20 Rev 00D-13 show dlsw slotsThe show dlsw slots command shows the list of slots that are running

308622-14.20 Rev 00Index-1Aaddresslearning capabilities, 4-33, 4-35MAC, 4-33peer IP, 4-18, 4-35, A-59, A-60BBackup Config parameter, A-48, A-75Backup

Configuring DLSw Services1-10308622-14.20 Rev 00Router A connects to end station 1 through a DLSw interface on slot 3. Router A has an IP interface on

Index-2308622-14.20 Rev 00dequeuingalgorithms, weighted dequeuing, 2-17DLSw prioritization, 2-17Destination (Host) MAC (hex) parameter, A-36Destinatio

308622-14.20 Rev 00Index-3Multicast IP Address, A-73Slot, A-73KKeepAlive Retries parameter, A-22KeepAlive Retry Timer parameter, A-22KeepAlive Time pa

Index-4308622-14.20 Rev 00Non-Peak Incoming Burst Size parameter, A-55RSVP global parametersNon-Peak Incoming Burst Size, A-82Non-Peak Outgoing Bandwi

308622-14.20 Rev 00Index-5queues, priorityconfiguring default, 4-65enqueuing, 2-16RReject Unconfigured Peers parameter, A-17remote NetBIOS/SNA systems

Index-6308622-14.20 Rev 00TTCP Inact Method parameter, A-24TCP Inact Time parameter, A-24TCP Window Size parameter, A-13TCP/IP, DLSw communications ov

Data Link Switching Overview308622-14.20 Rev 001-11 When end station 1 generates an SNA TestP message, the following steps occur:1. Router A receives

Configuring DLSw Services1-12308622-14.20 Rev 00Figure 1-4. DLSw Networks: (a) Single-Switch and (b) Dual Switch-to-SwitchNortel Networks routerToken

Data Link Switching Overview308622-14.20 Rev 001-13 Single-Switch ServicesDLSw single-switch services enable the router to perform link-level conversi

iv308622-14.20 Rev 00SHALL THE LIABILITY OF NORTEL NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO NORTEL NETWORKS FOR T

Configuring DLSw Services1-14308622-14.20 Rev 00Figure 1-5. Nortel Networks Single-Switch RouterSingle-switch services support any media-to-media conv

Data Link Switching Overview308622-14.20 Rev 001-15 SDLC-to-LLC2 ConversionUsing single-switch conversion enables the router to convert incoming SDLC

Configuring DLSw Services1-16308622-14.20 Rev 00QLLC-to-LLC2 ConversionUsing single-switch conversion enables the router to convert incoming QLLC traf

Data Link Switching Overview308622-14.20 Rev 001-17 Figure 1-7. DLSw Dual-Switch Services for SNA Devices on LANs SNA PU DescriptionsAn SNA physical u

Configuring DLSw Services1-18308622-14.20 Rev 00PU 1.0 SupportPU 1.0 devices include IBM 5251, 5294, 5394, and 5494 control unit emulations. These dev

Data Link Switching Overview308622-14.20 Rev 001-19 Figure 1-8 shows two DLSw routers. Each router connects two IBM 3745 devices: one using SDLC, and

Configuring DLSw Services1-20308622-14.20 Rev 00PU 5 SupportPU 5 is the mainframe and is fully supported as the end point in a connection to other PU

Data Link Switching Overview308622-14.20 Rev 001-21 The OSA-2 ATM can provide up to two ATM LAN emulation clients (token ring or Ethernet) for its dua

Configuring DLSw Services1-22308622-14.20 Rev 00In Figure 1-11, router A is configured with DLSw, SRB, and LLC on the client side (PC) and with TCP/IP

Data Link Switching Overview308622-14.20 Rev 001-23 SDLC SupportIntegrated SDLC support merges SDLC traffic with the multiprotocol traffic of LANs int

308622-14.20 Rev 00v Contents PrefaceBefore You Begin ...

Configuring DLSw Services1-24308622-14.20 Rev 00Primary SDLC SupportA Nortel Networks router configured as a primary device on an SDLC link can:• Cont

Data Link Switching Overview308622-14.20 Rev 001-25 Figure 1-12. Primary SDLC Routers in Single-Switch DLSw NetworksSecondary SDLC SupportA Nortel Net

Configuring DLSw Services1-26308622-14.20 Rev 00Figure 1-13. Secondary SDLC Routers in (a) Single-Switch and (b) Dual-Switch DLSw NetworksFront-end pr

Data Link Switching Overview308622-14.20 Rev 001-27 Combining Primary and Secondary SDLCUsing primary and secondary SDLC services, a network can trans

Configuring DLSw Services1-28308622-14.20 Rev 00Negotiable SDLC SupportA Nortel Networks router acting as a negotiable device on an SDLC link exchange

Data Link Switching Overview308622-14.20 Rev 001-29 Figure 1-15. Sample Frame Relay NetworkNortel Networks provides two ways to communicate directly w

Configuring DLSw Services1-30308622-14.20 Rev 00Boundary Network Node (RFC 1490)BNN refers to RFC 1490, Routed SNA over Frame Relay. This implementati

Data Link Switching Overview308622-14.20 Rev 001-31 The following features are supported with the SVC implementation:• Providing a connection only aft

Configuring DLSw Services1-32308622-14.20 Rev 00If MAC address translation is enabled when a router receives an LLC frame, the router checks whether t

Data Link Switching Overview308622-14.20 Rev 001-33 Figure 1-16. Sample Network Using MAC Address TranslationToken ringToken ringPC 4 PC 1PC 3 PC 2Mai

vi308622-14.20 Rev 00Dual-Switch Services ...1-16SNA PU De

Configuring DLSw Services1-34308622-14.20 Rev 00BAN2 TerminationBAN2 termination allows you to locally terminate at the router SRB and LLC-2 frames de

Data Link Switching Overview308622-14.20 Rev 001-35 Figure 1-17. Sample Network Using BAN2 TerminationQLLC SupportQLLC provides reliable transport for

Configuring DLSw Services1-36308622-14.20 Rev 00DLSw/APPN Boundary FunctionThe DLSw/APPN boundary function (BF) allows DLSw to provide remote communic

Data Link Switching Overview308622-14.20 Rev 001-37 DLSw/APPN ComponentsAPPN and DLSw pass messages back and forth by means of a virtual channel conne

Configuring DLSw Services1-38308622-14.20 Rev 00In Figure 1-20, router 1 is running the DLSw/APPN boundary function. Router 2 is running DLSw only. Th

Data Link Switching Overview308622-14.20 Rev 001-39 In Figure 1-21, routers 1 and 2 are running the DLSw/APPN boundary function. The path between the

Configuring DLSw Services1-40308622-14.20 Rev 00RFC 2205 RSVP SupportTo ensure timely delivery of SNA traffic over an IP backbone, RSVP (Resource Rese

Data Link Switching Overview308622-14.20 Rev 001-41 Starting RSVPTo start an RSVP session, you must first establish a TCP connection between the sendi

Configuring DLSw Services1-42308622-14.20 Rev 00Figure 1-22. Initiating DLSw ReservationsHostToken ringToken ringIPnetworkEndstationRouter AVersion 2.

Data Link Switching Overview308622-14.20 Rev 001-43 Specifying DLSw TrafficYou identify DLSw traffic by applying outbound filters to forwarded packets

308622-14.20 Rev 00viiChapter 2 DLSw Implementation NotesDLSw and Other Subsystems ...

Configuring DLSw Services1-44308622-14.20 Rev 00DLSw FilteringNortel Networks provides two prioritization mechanisms that affect DLSw traffic: • DLSw

Data Link Switching Overview308622-14.20 Rev 001-45 Protocol PrioritizationYou can use protocol prioritization to transmit DLSw traffic ahead of other

308622-14.20 Rev 002-1 Chapter 2DLSw Implementation NotesThis chapter provides important information about the Nortel Networks DLSw implementation. If

Configuring DLSw Services2-2308622-14.20 Rev 00DLSw and Other SubsystemsA DLSw network configuration uses the services of other network subsystems. Wh

DLSw Implementation Notes308622-14.20 Rev 002-3 Figure 2-1. DLSw-Capable Routers on an IP BackboneFor frame relay networks to use SRB, you must config

Configuring DLSw Services2-4308622-14.20 Rev 00Figure 2-2. Sample DLSw and SRB NetworkFor mixed topologies, an end-to-end connection path includes an

DLSw Implementation Notes308622-14.20 Rev 002-5 Count the IP virtual ring as one ring in each source routing segment attached to your TCP/IP network.

Configuring DLSw Services2-6308622-14.20 Rev 00Figure 2-3. DLSw and Source Route Bridging on SRB CircuitsDLSw and Bridging ServicesThis section presen

DLSw Implementation Notes308622-14.20 Rev 002-7 The transparent bridge interface on the same circuit with DLSw never sees TEST frames that contain des

viii308622-14.20 Rev 00Starting DLSw Globally ...3-4S

Configuring DLSw Services2-8308622-14.20 Rev 00.Figure 2-5. Translation Bridge ServicesThe translation bridge service:• Supports communication between

DLSw Implementation Notes308622-14.20 Rev 002-9 Figure 2-6. Independent DLSw/Translation Bridge NetworkParallel Bridge and DLSw PathsIf a valid bridgi

Configuring DLSw Services2-10308622-14.20 Rev 00Figure 2-7. DLSw Services in Parallel with a Source Routing BridgeMultiple DLSw Peers on a LANYou can

DLSw Implementation Notes308622-14.20 Rev 002-11 To limit the memory consumption, Nortel Networks provides several mechanisms, including:• LLC2 Max Li

Configuring DLSw Services2-12308622-14.20 Rev 00Flow ControlDLSw uses the following flow control mechanisms to provide reliable end-to-end delivery of

DLSw Implementation Notes308622-14.20 Rev 002-13 6. The local DLSw switch then sends an RR (receiver ready) message to the local end station, thereby

Configuring DLSw Services2-14308622-14.20 Rev 00For detailed information on configuring DLSw packaging parameters, refer to Appendix A, “Site Manager

DLSw Implementation Notes308622-14.20 Rev 002-15 Types of Protocol PrioritizationThere are two separate implementations of protocol priority queuing.

Configuring DLSw Services2-16308622-14.20 Rev 00Based on the needs of your site, you can configure up to 10 queues for each DLSw peer. You can create

DLSw Implementation Notes308622-14.20 Rev 002-17 Nonordered QueuesAlthough Site Manager numbers the DLSw priority queues, the queue number hierarchy d

308622-14.20 Rev 00ixDynamically Learned Remote Systems ...4-33Setting the NetBIOS and

Configuring DLSw Services2-18308622-14.20 Rev 00Weighted Dequeuing AlgorithmWeighted dequeuing works as follows:1. Each priority queue enters its firs

DLSw Implementation Notes308622-14.20 Rev 002-19 Figure 2-8. Weighted DequeuingForward packetswith the lowestweighted scoreto TCP.TCP requestspackets

Configuring DLSw Services2-20308622-14.20 Rev 00Tuning DLSw Protocol PrioritizationThis section explains how congestion control and queue depth affect

DLSw Implementation Notes308622-14.20 Rev 002-21 Backup PeersYou use the backup peer feature if you cannot establish a TCP connection to the primary p

Configuring DLSw Services2-22308622-14.20 Rev 00The Backup Peer Type cannot exceed the global DLS RFC type on the router. For example, if the DLSw glo

308622-14.20 Rev 003-1 Chapter 3Starting DLSw ServicesThis chapter describes how to create basic DLSw configurations by specifying parameter values wh

Configuring DLSw Services3-2308622-14.20 Rev 00Starting Configuration ToolsBefore configuring DLSw services, refer to the following user guides for in

Starting DLSw Services308622-14.20 Rev 003-3 DLS0064A serviceframe-relaylogical-linemct1 hssi default-service llc2llc2llc2srbatmdlswdlswllc2dlswdlsw

Configuring DLSw Services3-4308622-14.20 Rev 00Starting DLSw GloballyTo configure DLSw on the router with default settings, navigate in configuration

Starting DLSw Services308622-14.20 Rev 003-5 3.Return to the box-level prompt.slot-ip/3# boxbox#4. Specify an Ethernet interface on which you want to