Avaya Configuring DLSw Services Uživatelský manuál

Part No. 304233-A Rev. 00November 1998BayRS Version 13.10Site Manager Software Version 7.10 BCC Version 4.10 Configuring DLSw Services

x304233-A Rev. 00Appendix B Criteria for DLSw PrioritizationPredefined DLSw Criteria ...

Configuring DLSw Services4-8304233-A Rev. 00To edit the SAP Window parameter associated with a particular DLSw SAP, complete the following tasks:Addin

Customizing DLSw Services304233-A Rev. 004-9 Figure 4-3. DLSw Dual-Switch Network ExampleTo configure dual-switch DLSw services on the router, you def

Configuring DLSw Services4-10304233-A Rev. 004. Set the following parameters:• DLSw Virtual Ring ID (hex)• DLSw RFC Version• DLSw NetBIOS Support• DLS

Customizing DLSw Services304233-A Rev. 004-11 DLSw Slot Table Each slot on a Bay Networks router running DLSw acts as an independent data link switch.

Configuring DLSw Services4-12304233-A Rev. 00Figure 4-4 shows a sample network with three routers running DLSw. Although many options exist for the Sl

Customizing DLSw Services304233-A Rev. 004-13 Figure 4-4. Sample Network with Slot Table DefinitionsSlot 1Slot 2Slot 1Slot 3Slot 4DLSwDLSwDLSwDLSwDLSw

Configuring DLSw Services4-14304233-A Rev. 00Adding a DLSw Slot IP Table EntryTo add a new DLSw Slot IP Table entry, complete the following tasks:Site

Customizing DLSw Services304233-A Rev. 004-15 Editing a DLSw Slot IP Table EntryYou can edit only the IP Address for TCP Connection parameter in an ex

Configuring DLSw Services4-16304233-A Rev. 00Configured PeersA configured peer is a remote data link switch, represented by an IP address, that is pre

Customizing DLSw Services304233-A Rev. 004-17 You typically define as configured peers:• One slot in each DLSw-capable remote Bay Networks router in y

304233-A Rev. 00xiFiguresFigure 1-1. Addressing a Message to an IP Multicast Group ...1-8Figure 1-2. Receiving a Mes

Configuring DLSw Services4-18304233-A Rev. 00Backup PeersA backup peer receives all DLSw-related broadcast frames for a given router or network proces

Customizing DLSw Services304233-A Rev. 004-19 Unconfigured PeersA Bay Networks router running DLSw can respond to requests from remote routers to init

Configuring DLSw Services4-20304233-A Rev. 00Multicast IP Entries (RFC 2166)When you configure a multicast IP entry, you do not need to configure DLSw

Customizing DLSw Services304233-A Rev. 004-21 Adding a DLSw Peer IP Table EntryTo add a new DLSw Peer IP Table entry, complete the following tasks:Edi

Configuring DLSw Services4-22304233-A Rev. 00Configuring DLSw Local Devices for SDLCThe DLSw Local Devices parameters let you map SDLC devices to LAN

Customizing DLSw Services304233-A Rev. 004-23 8. Edit the following parameters for the PU type you want to configure:• For PU 1.0, set PU Type to T1.0

Configuring DLSw Services4-24304233-A Rev. 00Editing a Local DeviceTo edit a local device, complete the following tasks:Configuring Predefined MACs an

Customizing DLSw Services304233-A Rev. 004-25 Local Bay Networks routers receive frames that contain information about the DLSw peer IP address of eac

Configuring DLSw Services4-26304233-A Rev. 00Statically Defined Remote SystemsTo reduce DLSw broadcasts, you can statically define the IP addresses of

Customizing DLSw Services304233-A Rev. 004-27 Adding a DLSw Default NetBIOS Peer IP Table EntryTo add a new DLSw Default NetBIOS Peer IP Table entry,

xii304233-A Rev. 00Figure 4-3. DLSw Dual-Switch Network Example ...4-9Figure 4-4. Sample Network w

Configuring DLSw Services4-28304233-A Rev. 00Editing a DLSw Default NetBIOS Peer IP Table EntryYou can edit only the Default NetBIOS Peer IP Address p

Customizing DLSw Services304233-A Rev. 004-29 Editing a DLSw Default MAC Peer IP Table EntryYou can edit only the Default MAC Peer IP Address paramete

Configuring DLSw Services4-30304233-A Rev. 00Configuring DLSw PackagingPackaging allows multiple DLSw frames (consisting of user data and DLSw’s SSP h

Customizing DLSw Services304233-A Rev. 004-31 Configuring the DLSw/APPN Boundary FunctionInstructions for configuring the DLSw/APPN boundary function

Configuring DLSw Services4-32304233-A Rev. 00Step 2: Creating a Virtual Circuit and Adding a DLSw InterfaceTo create a virtual circuit and add a DLSw

Customizing DLSw Services304233-A Rev. 004-33 Step 3: Obtaining the Virtual Circuit NumberSite Manager assigns a circuit number to each virtual circui

Configuring DLSw Services4-34304233-A Rev. 00Step 4: Adding an APPN Interface to an Existing Virtual CircuitTo add an APPN interface to an existing vi

Customizing DLSw Services304233-A Rev. 004-35 Configuring DLSw for IP MulticastingTo configure DLSw for IP multicasting, you must:• Configure DLSw to

Configuring DLSw Services4-36304233-A Rev. 00Adding IP Multicast to a Router Running DLSwTo add DLSw IP multicast support to a router that is already

Customizing DLSw Services304233-A Rev. 004-37 Adding IP Multicast to Slots in a DLSw Router Running IP MulticastTo add IP multicast to slots in a DLSw

304233-A Rev. 00xiiiFigure C-9. Exchange Between Two Routers Running DLSw Version 2.0 (Peer on Version 2.0 Router) ...

Configuring DLSw Services4-38304233-A Rev. 00Editing IP Multicast ParametersTo edit the multicast parameters for a selected slot, complete the followi

Customizing DLSw Services304233-A Rev. 004-39 To configure DLSw backup peers for an RFC 2166 (multicast) peer, complete the following steps:Note: This

Configuring DLSw Services4-40304233-A Rev. 00To configure DLSw backup peers for an RFC 1434, 1795, or DLSw V2.0 peer, complete the following steps:Con

Customizing DLSw Services304233-A Rev. 004-41 To access the Peer Queue Configuration window, click on PP Queues in the DLSw Peer Configuration window.

Configuring DLSw Services4-42304233-A Rev. 00Customizing the Default Queue ConfigurationOnce you enable DLSw protocol prioritization, any DLSw peer us

Customizing DLSw Services304233-A Rev. 004-43 To customize the default queue configuration, complete the following tasks:Configuring Peer-Specific Pri

Configuring DLSw Services4-44304233-A Rev. 00Priority Queues for a Specific DLSw PeerTo configure priority queues for a specific DLSw peer, complete t

Customizing DLSw Services304233-A Rev. 004-45 Enabling or Disabling a Single Peer’s Priority QueuesTo enable or disable the queues that you configured

Configuring DLSw Services4-46304233-A Rev. 00To customize a specific DLSw peer queue, complete the following tasks:Creating DLSw Priority FiltersOutbo

Customizing DLSw Services304233-A Rev. 004-47 The sample templates place SNA traffic in the default queue (Q0) and NetBIOS traffic in Q1. Using the de

Configuring DLSw Services4-48304233-A Rev. 0013.Click on OK. The Filter Template Management window opens.14. Click on Done or, to apply the template,

304233-A Rev. 00A-1 Appendix ADLSw Service ParametersThis appendix describes each of the DLSw service parameters you can configure. The parameters are

Configuring DLSw ServicesA-2304233-A Rev. 00Using the Parameter DescriptionsEach DLSw parameter description provides information about default setting

DLSw Service Parameters304233-A Rev. 00A-3 The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB ob

Configuring DLSw ServicesA-4304233-A Rev. 00You may be required to customize the LLC2, TCP/IP, SDLC, or SRB parameters as well, since these support DL

DLSw Service Parameters304233-A Rev. 00A-5 Figure A-1. DLSw Basic Global Parameters Window

Configuring DLSw ServicesA-6304233-A Rev. 00Parameter:DLSw Virtual Ring ID (hex)Path: Configuration Manager > Protocols > DLSw > Basic Global

DLSw Service Parameters304233-A Rev. 00A-7 Parameter: DLSw RFC VersionPath:Configuration Manager > Protocols > DLSw > Basic GlobalDefault: RF

Configuring DLSw ServicesA-8304233-A Rev. 00For DLSw running over Token Ring (or other SRB network) or Frame Relay BAN (Bridged SNA, RFC 1490, or LLC

DLSw Service Parameters304233-A Rev. 00A-9 Figure A-2. DLSw Basic Global Parameters Window (for SRB)DLSw Basic Interface ParametersThe DLSw Basic Inte

304233-A Rev. 00xvTablesTable 3-1. DLSw Startup Screens and Required Parameters ...3-2Table A-1. Organization of Param

Configuring DLSw ServicesA-10304233-A Rev. 00Figure A-3. DLSw Basic Interface Parameters WindowFor DLSw running over Token Ring or Frame Relay BAN, th

DLSw Service Parameters304233-A Rev. 00A-11 Figure A-4. DLSw Basic Interface Parameters (for SRB)DLSw Advanced Global ParametersThe Edit DLSw Advanced

Configuring DLSw ServicesA-12304233-A Rev. 00Figure A-5. Edit DLSw Global Parameters Window

DLSw Service Parameters304233-A Rev. 00A-13 Parameter: EnablePath:Configuration Manager > Protocols > DLSw > Advanced > GlobalDefault: Ena

Configuring DLSw ServicesA-14304233-A Rev. 00Parameter: TCP Window SizePath:Configuration Manager > Protocols > DLSw > Advanced > GlobalDe

DLSw Service Parameters304233-A Rev. 00A-15 Parameter: DLSw IP Virtual RingPath:Configuration Manager > Protocols > DLSw > Advanced > Glob

Configuring DLSw ServicesA-16304233-A Rev. 00Parameter: Max Slot SessionsPath:Configuration Manager > Protocols > DLSw > Advanced > Global

DLSw Service Parameters304233-A Rev. 00A-17 Parameter: Virtual Ring MTUPath:Configuration Manager > Protocols > DLSw > Advanced > GlobalDe

Configuring DLSw ServicesA-18304233-A Rev. 00Parameter: MAC Cache AgePath:Configuration Manager > Protocols > DLSw > Advanced > GlobalDefa

DLSw Service Parameters304233-A Rev. 00A-19 Parameter: DLSw RFC VersionPath:Configuration Manager > Protocols > DLSw > Advanced > GlobalDe

Configuring DLSw ServicesA-20304233-A Rev. 00Parameter: Packaging ThresholdPath:Configuration Manager > Protocols > DLSw > Advanced > Glob

DLSw Service Parameters304233-A Rev. 00A-21 Parameter: Initial Pacing WindowPath:Configuration Manager > Protocols > DLSw > Advanced > Glo

Configuring DLSw ServicesA-22304233-A Rev. 00Parameter: KeepAlive Time (sec)Path:Configuration Manager > Protocols > DLSw > Advanced > Glo

DLSw Service Parameters304233-A Rev. 00A-23 Parameter: KeepAlive Retries (sec)Path:Configuration Manager > Protocols > DLSw > Advanced > G

Configuring DLSw ServicesA-24304233-A Rev. 00Parameter: NetBIOS Fallback Time (sec)Path:Configuration Manager > Protocols > DLSw > Advanced &

DLSw Service Parameters304233-A Rev. 00A-25 DLSw Advanced Interface Configuration ParametersThe DLSw Interface Configuration window (Figure A-6) conta

Configuring DLSw ServicesA-26304233-A Rev. 00Figure A-6. DLSw Interface Configuration WindowParameter: EnablePath:Configuration Manager > Protocols

DLSw Service Parameters304233-A Rev. 00A-27 Local Device Configuration ParametersThe Local Device Configuration window (Figure A-7) contains several p

Configuring DLSw ServicesA-28304233-A Rev. 00Figure A-7. Local Device Configuration Window

DLSw Service Parameters304233-A Rev. 00A-29 Parameter: DLSw ModePath:Configuration Manager > Protocols > DLSw > Local DevicesDefault: Primary

304233-A Rev. 00xvii PrefaceThis guide describes Data Link Switching (DLSw) and what you do to start and customize DLSw services on a Bay Networks® ro

Configuring DLSw ServicesA-30304233-A Rev. 00Parameter: DisablePath:Configuration Manager > Protocols > DLSw > Local DevicesDefault: EnableOp

DLSw Service Parameters304233-A Rev. 00A-31 Parameter: PU TypePath:Configuration Manager > Protocols > DLSw > Local DevicesDefault: NoneOptio

Configuring DLSw ServicesA-32304233-A Rev. 00Table A-3. IDBLOCK Numbers for Switched PUsDevice IDBLOCK NumberNPSI 0033770 0043650/3680 0056100/3790 00

DLSw Service Parameters304233-A Rev. 00A-33 Parameter: IDNUMPath:Configuration Manager > Protocols > DLSw > Local DevicesDefault: NoneOptions

Configuring DLSw ServicesA-34304233-A Rev. 00Parameter: Source (Virtual) MAC (hex)Path:Configuration Manager > Protocols > DLSw > Local Devic

DLSw Service Parameters304233-A Rev. 00A-35 Parameter: Destination (Host) MAC (hex)Path:Configuration Manager > Protocols > DLSw > Local Devi

Configuring DLSw ServicesA-36304233-A Rev. 00Parameter: MAXDATAPath:Configuration Manager > Protocols > DLSw > Local DevicesDefault: 2057Opti

DLSw Service Parameters304233-A Rev. 00A-37 Parameter: Canureach Timer2Path:Configuration Manager > Protocols > DLSw > Local DevicesDefault:

Configuring DLSw ServicesA-38304233-A Rev. 00Parameter: Link Station TimerPath:Configuration Manager > Protocols > DLSw > Local DevicesDefaul

DLSw Service Parameters304233-A Rev. 00A-39 Parameter: SDLC Transmit CreditPath:Configuration Manager > Protocols > DLSw > Local DevicesDefau

Configuring DLSw Servicesxviii304233-A Rev. 00Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indicate that

Configuring DLSw ServicesA-40304233-A Rev. 00Adding DLSw Peer IP Table Entry ParametersThe DLSw Peer Configuration Parameters window (Figure A-8) cont

DLSw Service Parameters304233-A Rev. 00A-41 DLSw Peer IP Table Entry ParametersThe DLSw Peer Configuration window (Figure A-9) contains several parame

Configuring DLSw ServicesA-42304233-A Rev. 00Figure A-9. DLSw Peer Configuration WindowParameter: Protocol PriorityPath:Configuration Manager > Pro

DLSw Service Parameters304233-A Rev. 00A-43 Parameter: Max Queue BuffersPath:Configuration Manager > Protocols > DLSw > Peer IP TableDefault:

Configuring DLSw ServicesA-44304233-A Rev. 00Parameter: Transport TypePath:Configuration Manager > Protocols > DLSw > Peer IP TableDefault: U

DLSw Service Parameters304233-A Rev. 00A-45 Parameter: Backup ConfigPath:Configuration Manager > Protocols > DLSw > Peer IP TableDefault: NoO

Configuring DLSw ServicesA-46304233-A Rev. 00Parameter: Backup Max Up TimePath:Configuration Manager > Protocols > DLSw > Peer IP TableDefaul

DLSw Service Parameters304233-A Rev. 00A-47 Adding DLSw Slot IP Table Entry ParametersThe DLSw Slot Configuration window (Figure A-10) contains the pa

Configuring DLSw ServicesA-48304233-A Rev. 00Figure A-10. Add DLSw Slot Configuration Window Parameter: SlotPath:Configuration Manager > Protocols

DLSw Service Parameters304233-A Rev. 00A-49 DLSw Slot IP Table Entry ParameterThe DLSw Slot Configuration window (Figure A-11) contains a parameter th

Preface304233-A Rev. 00xix AcronymsThis guide uses the following acronyms:APPN Advanced Peer-to-Peer NetworkingATM asynchronous transfer modeBAN Bound

Configuring DLSw ServicesA-50304233-A Rev. 00Adding DLSw SAP Table Entry ParametersThe DLSw SAP Parameter window (Figure A-12) allows you to enter SAP

DLSw Service Parameters304233-A Rev. 00A-51 DLSw SAP Table Entry ParameterThe DLSw SAP Configuration window (Figure A-13) allows you to change the SAP

Configuring DLSw ServicesA-52304233-A Rev. 00Adding DLSw Default NetBIOS Peer IP Table Entry ParametersThe DLSw NetBIOS Configuration (Figure A-14) wi

DLSw Service Parameters304233-A Rev. 00A-53 Figure A-14. DLSw NetBIOS Configuration WindowParameter: NetBIOS NamePath:Configuration Manager > Proto

Configuring DLSw ServicesA-54304233-A Rev. 00DLSw Default NetBIOS Peer IP Table Entry ParameterThe DLSw NetBIOS Peer Configuration window (Figure A-15

DLSw Service Parameters304233-A Rev. 00A-55 Adding DLSw MAC Peer IP Table Entry ParametersThe DLSw MAC Configuration window (Figure A-16) contains par

Configuring DLSw ServicesA-56304233-A Rev. 00Figure A-16. MAC Addresses in the DLSw MAC Configuration WindowParameter: MAC AddressPath:Configuration M

DLSw Service Parameters304233-A Rev. 00A-57 Default MAC Peer IP Table Entry ParameterThe DLSW MAC Peer Configuration window (Figure A-17) contains a p

Configuring DLSw ServicesA-58304233-A Rev. 00Figure A-17. DLSw MAC Peer Configuration Window Parameter: Default MAC Peer IP AddressPath:Configuration

DLSw Service Parameters304233-A Rev. 00A-59 VCCT Slot ParameterThe VCCT Slot Configuration window contains the Slot Number parameter, which allows you

ii304233-A Rev. 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights re

Configuring DLSw Servicesxx304233-A Rev. 00Related Publications• Dixon, Roy C., and Kushi, David M. Data Link Switching: Switch-to-Switch Protocol, RF

Configuring DLSw ServicesA-60304233-A Rev. 00Enabling VCCT Global ParameterThe Edit VCCT Global Parameters window contains the Enable parameter, which

DLSw Service Parameters304233-A Rev. 00A-61 Adding DLSw Multicast ParametersThe DLSw Multicast Configuration window (Figure A-18) contains parameters

Configuring DLSw ServicesA-62304233-A Rev. 00DLSw Multicast and Backup Peer ParametersThe DLSw Multicast Configuration window (Figure A-19) contains p

DLSw Service Parameters304233-A Rev. 00A-63 Figure A-19. DLSw Multicast Configuration WindowParameter: Multicast IP SlotsPath: Configuration Manager &

Configuring DLSw ServicesA-64304233-A Rev. 00Parameter: Backup ConfigPath: Configuration Manager > DLSw > Multicast IP Table > Multicast IP T

DLSw Service Parameters304233-A Rev. 00A-65 Parameter: Backup Max Up TimePath: Configuration Manager > DLSw > Multicast IP Table > Multicast

Configuring DLSw ServicesA-66304233-A Rev. 00Global DLSw Protocol Priority ParametersThe Global DLSw PP Parameters/Defaults window (Figure A-20) conta

DLSw Service Parameters304233-A Rev. 00A-67 Figure A-20. Global DLSw PP Parameters/Defaults WindowParameter: Protocol Priority (PP)Path: Configuration

Configuring DLSw ServicesA-68304233-A Rev. 00Note: Once you enable a peer-specific priority queue using the Peer Queues window, you must use that wind

DLSw Service Parameters304233-A Rev. 00A-69 Parameter: Max Queue Size for Unconfig PeersPath: Configuration Manager > Protocols > DLSw > Prot

Preface304233-A Rev. 00xxi • International Standards Organization. ISO 8802-2/IEEE Std 802.2 International Standard, Information Processing Systems, L

Configuring DLSw ServicesA-70304233-A Rev. 00Peer Queue Configuration ParametersThe Peer Queue Configuration window (Figure A-21) summarizes the prior

DLSw Service Parameters304233-A Rev. 00A-71 Parameter: Protocol PriorityPath: Configuration Manager > Protocols > DLSw > Prot Prioritization

Configuring DLSw ServicesA-72304233-A Rev. 00Adding Queue ParametersThe Add Queue window (Figure A-22) contains two parameters that let you specify a

DLSw Service Parameters304233-A Rev. 00A-73 DLS Priority Filters ParametersThe DLS Priority/Outbound Filters window (Figure A-23) shows the existing o

Configuring DLSw ServicesA-74304233-A Rev. 00Figure A-23. DLS Priority/Outbound Filters WindowParameter: Filter EnablePath: Configuration Manager >

DLSw Service Parameters304233-A Rev. 00A-75 Parameter: Filter NamePath: Configuration Manager > Protocols > DLSw > Prot Prioritization (Outbo

Configuring DLSw ServicesA-76304233-A Rev. 00

304233-A Rev. 00B-1 Appendix BCriteria for DLSw PrioritizationThis appendix includes both the DLSw predefined criteria that Site Manager’s Configurati

Configuring DLSw ServicesB-2304233-A Rev. 00Predefined DLSw CriteriaYou configure outbound filters for DLSw traffic based on the predefined criteria l

Criteria for DLSw Prioritization304233-A Rev. 00B-3 Table B-2. DLSw Reference Points for FID2 FramesCriteria (FID2) Reference Point Offset (bits) Leng

Configuring DLSw Servicesxxii304233-A Rev. 00How to Get HelpFor product assistance, support contracts, information about educational services, and the

Configuring DLSw ServicesB-4304233-A Rev. 00Specifying MAC Address RangesWhen you create a filter that includes a source or destination MAC address cr

Criteria for DLSw Prioritization304233-A Rev. 00B-5 Source Routing Bridge Functional MAC AddressesFunctional MAC addresses are destination MAC address

Configuring DLSw ServicesB-6304233-A Rev. 00Table B-6. SAP CodesDescription SAP CodeXID or TEST 00Individual Sublayer Mgmt 02Group Sublayer Mgmt 03SNA

304233-A Rev. 00C-1 Appendix CTroubleshooting DLSwThis appendix provides the following information about diagnosing and troubleshooting DLSw networks:

Configuring DLSw ServicesC-2304233-A Rev. 00For information about viewing events and messages using Site Manager or a compatible third-party network m

Troubleshooting DLSw304233-A Rev. 00C-3 Table C-2 shows more detailed information about the enabling bits shown in Table C-1.Using and Decoding the DL

Configuring DLSw ServicesC-4304233-A Rev. 00Table C-3 lists the DLSw state names and numbers. Table C-4 lists the DLSw events and numbers. Refer to th

Troubleshooting DLSw304233-A Rev. 00C-5 Table C-4. DLSw Event TableEventEvent Number (in decimal format)CANUREACH Received 3ICANREACH Received 4REACH_

Configuring DLSw ServicesC-6304233-A Rev. 00Sample Log EntriesThis section describes some common sample DLSw event entries that may appear in the log

Troubleshooting DLSw304233-A Rev. 00C-7 Event Code 45# 10: 04/25/95 22:43:01 DEBUG SLOT 1 DLS Event Code: 45SSP XID frame rcvd in LLC, conn, st

304233-A Rev. 001-1 Chapter 1Data Link Switching OverviewThis chapter includes the following information about Data Link Switching (DLSw):You should r

Configuring DLSw ServicesC-8304233-A Rev. 00• If the destination device resides on an attached LAN, then this device responds by broadcasting a TEST (

Troubleshooting DLSw304233-A Rev. 00C-9 Figure C-1. Sample DLSw/LLC2 Network Connection Sequence (RFC 1434)Token RingHostRouter ATerminalLLC PU 2.0Rou

Configuring DLSw ServicesC-10304233-A Rev. 00Reviewing the Network LogThis section describes the debug event messages that Router B logs when it estab

Troubleshooting DLSw304233-A Rev. 00C-11 The host computer generates an SABME frame and sends it to Router A. Router A returns UA and receiver not rea

Configuring DLSw ServicesC-12304233-A Rev. 00Figure C-2. Sample DLSw/SDLC Network Connection SequenceToken RingHostRouter ATerminalSDLC PU 2.0Router B

Troubleshooting DLSw304233-A Rev. 00C-13 Reviewing the Network Connection SequenceThis section describes the debug event messages that Router B (see F

Configuring DLSw ServicesC-14304233-A Rev. 00Router B generates and sends an XIDFRAME-T2 to Router A. Router A sends an XID-T2 (P) to the host.The hos

Troubleshooting DLSw304233-A Rev. 00C-15 The remote router issues a DL_HALTED frame and sends it to the local router.# 20: 04/25/95 22:43:09 DEBUG

Configuring DLSw ServicesC-16304233-A Rev. 00For example, if you are filtering events from slots 3 and 4, enter:log -fftwid -eDLS -s3 -s42.Make sure t

Troubleshooting DLSw304233-A Rev. 00C-17 If the sessions are not in an established state, do the following:• Make sure all slots configured to run DLS

Configuring DLSw Services1-2304233-A Rev. 00DLSw Networking OverviewDLSw provides a standards-based mechanism for reliably transporting connection-ori

Configuring DLSw ServicesC-18304233-A Rev. 00Frame rejects cause session failures.Endstation MAXIN parameter smaller than wfLlcInterfaceTw.MTU receive

Troubleshooting DLSw304233-A Rev. 00C-19 File transfers with large packets are slow.DLSw uses more CPU than SRB.The TCP window size is too small, caus

Configuring DLSw ServicesC-20304233-A Rev. 00Common DLSw NonproblemsThe DLSw log often contains debug event messages that report conditions about prop

Troubleshooting DLSw304233-A Rev. 00C-21 TCP open error 29The DLSw peer connections through TCP cannot be activated until the source (local) IP interf

Configuring DLSw ServicesC-22304233-A Rev. 00DLSw Troubleshooting TablesTables C-6 to C-12 provide the following troubleshooting information for DLSw:

Troubleshooting DLSw304233-A Rev. 00C-23 Table C-7. DLSw Interface TroubleshootingProblem Possible Cause Action/SolutionThe DLSw interface state is DO

Configuring DLSw ServicesC-24304233-A Rev. 00Table C-8. TCP TroubleshootingProblem Possible Cause Action/SolutionDLSw/TCP connections do not come up.I

Troubleshooting DLSw304233-A Rev. 00C-25 Table C-9. SNA TroubleshootingProblem Possible Cause Action/SolutionSNA stations cannot connect over DLSw.Hos

Configuring DLSw ServicesC-26304233-A Rev. 00Table C-10. NetBIOS TroubleshootingProblem Possible Cause Action/SolutionNetBIOS stations cannot connect

Troubleshooting DLSw304233-A Rev. 00C-27 Table C-11. LLC TroubleshootingProblem Possible Cause Action/SolutionFrame rejects cause session failures.End

Data Link Switching Overview304233-A Rev. 001-3 DLSw runs on all Bay Networks router platforms using local and wide area network facilities, including

Configuring DLSw ServicesC-28304233-A Rev. 00SDLC does not connect to the host computer.SDLC interface not activeSDLC local devices not configured pro

Troubleshooting DLSw304233-A Rev. 00C-29 Verifying the WAN CablingTables C-13 to C-16 list the specific WAN cables that ensure reliable DLSw connectiv

Configuring DLSw ServicesC-30304233-A Rev. 00Table C-15. Octal Sync Interface CablesBay NetworksCable DescriptionModem/No Modem7932 50-pin to male V.3

Troubleshooting DLSw304233-A Rev. 00C-31 Flow DiagramsFigure C-3 shows the data flow between two Bay Networks routers running RFC 1434 (for PU 2.0 ove

Configuring DLSw ServicesC-32304233-A Rev. 00Figure C-4 shows the data flow between two Bay Networks routers running RFC 1434 (for PU 2.1 over LLC).Fi

Troubleshooting DLSw304233-A Rev. 00C-33 Figure C-5 shows the data flow between two Bay Networks Routers running RFC 1795.Figure C-5. Data Flow for Ro

Configuring DLSw ServicesC-34304233-A Rev. 00Figure C-6 shows the data flow between two Bay Networks routers running DLSw Version 2.0.Figure C-6. Data

Troubleshooting DLSw304233-A Rev. 00C-35 Figure C-7 shows the data flow between two Bay Networks routers running DLSw Version 2.0 and RFC 1795. A peer

Configuring DLSw ServicesC-36304233-A Rev. 00Figure C-8 shows the data flow between a Bay Networks router running DLSw Version 2.0 and one running RFC

Troubleshooting DLSw304233-A Rev. 00C-37 Figure C-9 shows a capabilities exchange between two Bay Networks routers running DLSw 2.0. A UDP or Unknown

Configuring DLSw Services1-4304233-A Rev. 00• Directed broadcast CANUREACH and ICANREACH control frames. This feature reduces broadcasting over the ne

Configuring DLSw ServicesC-38304233-A Rev. 00Figure C-10 shows a capabilities exchange between a Bay Networks router running RFC 1795 and one running

Troubleshooting DLSw304233-A Rev. 00C-39 Figure C-11 shows a capabilities exchange between two Bay Networks routers running DLSw Version 2.0. A peer i

Configuring DLSw ServicesC-40304233-A Rev. 00Figure C-12 shows a capabilities exchange between two Bay Networks routers running DLSw Version 2.0. A pe

Troubleshooting DLSw304233-A Rev. 00C-41 Figure C-13. Primary to Secondary SDLC Using DLSw Single Switch SNA/Frame RelayFrame RelaynetworkEndstationRo

Configuring DLSw ServicesC-42304233-A Rev. 00Figure C-14 shows a primary SDLC to LLC2 PU 2.0 data flow between Bay Networks routers using DLSw single

Troubleshooting DLSw304233-A Rev. 00C-43 Figure C-14. Primary SDLC to LLC Using DLSw Single Switch SNA/Frame RelayToken RingFrame RelaynetworkEndstati

304233-A Rev. 00Index-1Aacronyms, xixaddresslearning capabilities, 4-24, 4-26MAC, 4-24peer IP, 4-16, 4-26, A-48, A-49BBackup Config parameter, A-44, A

Index-2304233-A Rev. 00media support for, 1-3networking overview, 1-2peers, defining in a TCP/IP network, 4-16protocol prioritization, 1-33SDLC media

304233-A Rev. 00Index-3Link Station Timer parameter, A-37LLC conversion, 1-19LLC flow control, 2-12LLC2 media support, 1-3local acknowledgment, 1-23lo

Data Link Switching Overview304233-A Rev. 001-5 UDP Explorer FramesIf a TCP/IP session is not active, the local router can send UDP explorer frames ac

Index-4304233-A Rev. 00Max Queue Size parameter, A-42, A-70Protocol Priority parameter, A-41, A-70queue depth, 2-20priority queues. See queues, priori

304233-A Rev. 00Index-5SR Internal LAN ID parameter, A-7SRB and DLSw, 2-2subsystems and DLSw, 2-2support, Bay Networks, xxiisynchronous pass-through,

Configuring DLSw Services1-6304233-A Rev. 00Single TCP/IP ConnectionDLSw Version 2 uses a single full-duplex TCP session to transport data. Using a si

Data Link Switching Overview304233-A Rev. 001-7 • Under RFC 2166, network connections are established only when needed and maintained only as long the

304233-A Rev. 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the acco

Configuring DLSw Services1-8304233-A Rev. 00Figure 1-1. Addressing a Message to an IP Multicast GroupWhen DLSw receives a TestP message, the following

Data Link Switching Overview304233-A Rev. 001-9 Figure 1-2. Receiving a Message Addressed to a Multicast GroupYou can use Site Manager to specify an I

Configuring DLSw Services1-10304233-A Rev. 00Figure 1-3. Multicast DLSw

Data Link Switching Overview304233-A Rev. 001-11 When end station 1 generates an SNA TestP message, the following steps occur:1. Router A receives the

Configuring DLSw Services1-12304233-A Rev. 00Figure 1-4. DLSw Single-Switch and Dual Switch-to-Switch NetworksBay Networks routerToken RingBay Network

Data Link Switching Overview304233-A Rev. 001-13 Single-Switch ServicesDLSw single-switch services enable the router to perform link level conversion,

Configuring DLSw Services1-14304233-A Rev. 00Figure 1-5. Bay Networks Single-Switch RouterThere are three important types of single-switch conversion:

Data Link Switching Overview304233-A Rev. 001-15 Figure 1-6 illustrates a network using adjacent routers, each performing single- switch conversion. B

Configuring DLSw Services1-16304233-A Rev. 00DLSw dual-switch services uses TCP/IP between routers, unlike adjacent single- switch routers using LLC2.

Data Link Switching Overview304233-A Rev. 001-17 SNA PU DescriptionsAn SNA Physical Unit (PU) is a component of the network (or node) that manages and

iv304233-A Rev. 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring DLSw Services1-18304233-A Rev. 00To configure the router for PU 4 connectivity, you use the DLSw Mode and PU Type parameters. For descript

Data Link Switching Overview304233-A Rev. 001-19 LLC SupportLogical Link Control (LLC) is a standard protocol within the CCITT 8802.2 and IEEE 802.x f

Configuring DLSw Services1-20304233-A Rev. 00DLSw integrated SDLC supports devices configured as primary or secondary link stations to the router. A l

Data Link Switching Overview304233-A Rev. 001-21 Figure 1-9. Primary SDLC Routers in Single-Switch DLSw NetworksSecondary SDLC SupportA Bay Networks r

Configuring DLSw Services1-22304233-A Rev. 00Figure 1-10. Secondary SDLC Routers in (a) Single- and (b) Dual-Switch DLSw NetworksFront-end processerHo

Data Link Switching Overview304233-A Rev. 001-23 Combining Primary and Secondary SDLCUsing primary and secondary SDLC services, a network can transpor

Configuring DLSw Services1-24304233-A Rev. 00Frame Relay Support Figure 1-12 illustrates the connection of a host through a Frame Relay network, in a

Data Link Switching Overview304233-A Rev. 001-25 Bay Networks provides two ways to communicate directly with an SNA processor (such as an IBM 3745 or

Configuring DLSw Services1-26304233-A Rev. 00Boundary Access NodeBAN is an IBM router enhancement. BAN refers to the RFC 1490 specification for Bridge

Data Link Switching Overview304233-A Rev. 001-27 DLSw/APPN Network ConfigurationsThe DLSw/APPN boundary function can reside wherever your APPN backbon

304233-A Rev. 00vContents PrefaceBefore You Begin ...

Configuring DLSw Services1-28304233-A Rev. 00In Figure 1-14, the boundary function resides in a regional location. This enterprise-wide network has an

Data Link Switching Overview304233-A Rev. 001-29 Figure 1-15. Boundary Function Virtual CircuitAPPN and DLSw send and receive messages on external lin

Configuring DLSw Services1-30304233-A Rev. 00In Figure 1-16, router 1 is running the DLSw/APPN boundary function. Router 2 is running DLSw only. The p

Data Link Switching Overview304233-A Rev. 001-31 In Figure 1-17, routers 1 and 2 are running the DLSw/APPN boundary function. The path between the PU

Configuring DLSw Services1-32304233-A Rev. 00DLSw Backup Peer SupportIf a TCP connection to the primary peer cannot be established, DLSw can establish

Data Link Switching Overview304233-A Rev. 001-33 DLSw PrioritizationDLSw prioritization allows you to prioritize traffic within DLSw based on predefin

304233-A Rev. 002-1 Chapter 2DLSw Implementation NotesThis chapter provides important information about the Bay Networks DLSw implementation. You shou

Configuring DLSw Services2-2304233-A Rev. 00DLSw and Other SubsystemsA DLSw network configuration uses the services of other network subsystems. When

DLSw Implementation Notes304233-A Rev. 002-3 Figure 2-1. DLSw-Capable Routers on an IP BackboneFor Frame Relay networks to use SRB, you must configure

vi304233-A Rev. 00PU 2.0 Support ...1-17PU 2.1 Su

Configuring DLSw Services2-4304233-A Rev. 00Figure 2-2. Sample DLSw and SRB NetworkFor mixed topologies, an end-to-end connection path includes an SRB

DLSw Implementation Notes304233-A Rev. 002-5 Count the IP virtual ring as one ring in each source routing segment attached to your TCP/IP network. You

Configuring DLSw Services2-6304233-A Rev. 00Figure 2-3. DLSw and Source Route Bridging on SRB CircuitsDLSw and Bridging ServicesThis section presents

DLSw Implementation Notes304233-A Rev. 002-7 The transparent bridge interface on the same circuit with DLSw never sees TEST frames that contain destin

Configuring DLSw Services2-8304233-A Rev. 00.Figure 2-5. Translation Bridge ServicesThe translation bridge service:• Supports communication between sy

DLSw Implementation Notes304233-A Rev. 002-9 Figure 2-6. Independent DLSw/Translation Bridge NetworkParallel Bridge and DLSw PathsIf a valid bridging

Configuring DLSw Services2-10304233-A Rev. 00Figure 2-7. DLSw Services in Parallel with a Source Routing BridgeMultiple DLSw Peers on a LANYou can con

DLSw Implementation Notes304233-A Rev. 002-11 To limit the memory consumption, Bay Networks provides several mechanisms, including:• LLC2 Max Links pa

Configuring DLSw Services2-12304233-A Rev. 00• LLC2 flow control• TCP flow control• DLSw RFC 1434 fixed and RFC 1795 adaptive pacingLLC2 and TCP conti

DLSw Implementation Notes304233-A Rev. 002-13 TCP Flow ControlEach pair of TCP connections between DLSw peers carries data from many LLC2 sessions. Wh

304233-A Rev. 00viiLLC2 Flow Control ...2-12TCP Flow Co

Configuring DLSw Services2-14304233-A Rev. 00DLSw PrioritizationBay Networks routers enable you to prioritize DLSw traffic by configuring priority que

DLSw Implementation Notes304233-A Rev. 002-15 Types of Protocol PrioritizationThere are two separate implementations of protocol priority queuing. For

Configuring DLSw Services2-16304233-A Rev. 00Based on the needs of your site, you can configure up to 10 queues for each DLSw peer. You can create que

DLSw Implementation Notes304233-A Rev. 002-17 Nonordered QueuesAlthough Site Manager numbers the DLSw priority queues, the queue number hierarchy does

Configuring DLSw Services2-18304233-A Rev. 00Weighted Dequeuing AlgorithmWeighted dequeuing works as follows:1. Each priority queue enters its first (

DLSw Implementation Notes304233-A Rev. 002-19 Figure 2-8. Weighted Bandwidth Allocation

Configuring DLSw Services2-20304233-A Rev. 00Tuning DLSw Protocol PrioritizationThis section explains how congestion control and queue depth affect DL

DLSw Implementation Notes304233-A Rev. 002-21 Backup PeersThe backup peer feature allows you to use a backup peer if the TCP connection to the primary

304233-A Rev. 003-1 Chapter 3Starting DLSwThis chapter describes how to create basic DLSw configurations by specifying values for required parameters

viii304233-A Rev. 00Adding Dual-Switch DLSw Services ...4-8DLSw Slot Tabl

Configuring DLSw Services3-2304233-A Rev. 00Starting DLSw on an InterfaceTo start DLSw on an interface, begin at the Select Protocols window and selec

Starting DLSw304233-A Rev. 003-3 SDLC • SDLC Line Parameters• DLSw Basic Global Parameters• DLSw Basic Interface Parameters• DLSw Local Device Configu

Configuring DLSw Services3-4304233-A Rev. 00Frame Relay (Bridged SNA, RFC 1490, LLC over SRB)• BNN (RFC 1490) or BAN (LLC/SRB)• DLSw Basic Global Par

Starting DLSw304233-A Rev. 003-5 Starting DLSw over EthernetTo enable DLSw over Ethernet, complete the following tasks:Site Manager ProcedureYou do th

Configuring DLSw Services3-6304233-A Rev. 00Starting DLSw over Token RingTo enable DLSw over Token Ring, complete the following tasks:Starting DLSw ov

Starting DLSw304233-A Rev. 003-7 DLSw uses local device entries to define SDLC-attached SNA physical units (PUs) to the router. NetBIOS does not suppo

Configuring DLSw Services3-8304233-A Rev. 00To enable DLSw over SDLC, complete the following tasks:Site Manager ProcedureYou do this System responds1.

Starting DLSw304233-A Rev. 003-9 Starting DLSw over Frame RelayWhen configuring DLSw over Frame Relay, IBM provides two types of Frame Relay support:•

Configuring DLSw Services3-10304233-A Rev. 00To enable DLSw over Frame Relay BAN, complete the following tasks:Site Manager ProcedureYou do this Syste

Starting DLSw304233-A Rev. 003-11 Starting DLSw over Frame Relay BNNBecause BNN format does not carry the destination MAC address, incoming LAN frames

304233-A Rev. 00ixEnabling or Disabling a Single Peer’s Priority Queues ...4-45Customizing Specific DLSw Peer Queues

Configuring DLSw Services3-12304233-A Rev. 00Starting DLSw over QLLCTo configure an X.25 network interface circuit for QLLC:1.Add an entry to the QLLC

Starting DLSw304233-A Rev. 003-13 To enable DLSw over QLLC, complete the following tasks:Site Manager ProcedureYou do this System responds1. In the Co

Configuring DLSw Services3-14304233-A Rev. 00Deleting DLSw from a NodeTo delete DLSw from a node entirely:Site Manager ProcedureYou do this System res

304233-A Rev. 004-1 Chapter 4Customizing DLSw ServicesWhen you start DLSw on the router, default values are in effect for all parameters. Depending on

Configuring DLSw Services4-2304233-A Rev. 00To tune DLSw single- and dual-switch services, use the DLSw advanced global and advanced interface paramet

Customizing DLSw Services304233-A Rev. 004-3 Figure 4-1. DLSw Single-Switch Network ExampleTo configure single-switch DLSw services on the router, you

Configuring DLSw Services4-4304233-A Rev. 00DLSw SAP TableEvery data packet contains a 1-byte destination SAP and source SAP. You can select whether D

Customizing DLSw Services304233-A Rev. 004-5 Each DLSw SAP Table entry has a unique hexadecimal value. The default SAP Table includes SAPs 00, 04, 08,

Configuring DLSw Services4-6304233-A Rev. 00Figure 4-2. Sample Network with SAP Table DefinitionsSlot 1Slot 2Slot 1Slot 3Slot 4DLSwDLSwDLSwDLSwDLSwDLS

Customizing DLSw Services304233-A Rev. 004-7 Adding a DLSw SAP Table EntryTo add a new SAP Table entry, complete the following tasks:Editing a DLSw SA