Avaya Configuring DLSw Services User Manual

Configuring DLSw Services Router Software Version 10.0Site Manager Software Version 4.0Part No. 112914 Rev. AJanuary 1996

Configuring DLSw Services4-26The main Configuration Manager window appears. You have now completed the installation of DLSw. If you have not already co

5-1Chapter 5Editing DLSw ParametersThis chapter describes how to edit DLSw global and interface parameters, as well as how to add, edit, and delete th

Configuring DLSw Services5-2You may want to customize the LLC2, TCP/IP, APPN, SDLC, or source routing bridge parameters as well, since these support D

Editing DLSw Parameters5-3Figure 5-1. Configuration Manager WindowEditing DLSw Global ParametersTo edit DLSw global parameters, begin at the Configurati

Configuring DLSw Services5-4Figure 5-2. Edit DLSw Global Parameters Window2.Edit the parameters you want to change.3. Click on OK.This saves your chan

Editing DLSw Parameters5-5 Parameter: Enable Default: Enable Options: Enable | Disable Function: Globally enables or disables the system software mech

Configuring DLSw Services5-6 Parameter: TCP Window Size Default: 8000 (octets) Range: 5000 to 64000 (octets) Function: Specifies (in octets) the maximu

Editing DLSw Parameters5-7 Parameter: IP Virtual Ring Default: None Options: Any valid, unassigned ring number from 1 to 409510 (0x0001 to 0x0FFF) Fun

Configuring DLSw Services5-8 Parameter: Max Slot Sessions Default: 200 (sessions per slot) Range: 1 to 10000 Function: Specifies the maximum number of

Editing DLSw Parameters5-9 Parameter: MAC Cache Age Default: 300 (s) Options: Any number of seconds greater than 20 Function: Specifies the maximum num

xi Figures Figure 1-1. DLSw Single-Switch and Dual Switch-to-Switch Networks ...1-4Figure 1-2. Bay Networks Single-Switch Router

Configuring DLSw Services5-10 Parameter: Reject Unconfigured Peers Default: Accept Options: Accept | Reject Function: Specifies whether DLSw peers in th

Editing DLSw Parameters5-11 Parameter: Keepalive Time (sec) Default: 60 (s) Range: 0 to 2147483647 Function: Specifies the time interval after which th

Configuring DLSw Services5-12 Parameter: Maximum Package Size Default: 1532 bytes Range: 0 to 2147483647 Function: Specifies the maximum package size

Editing DLSw Parameters5-13Enabling a DLSw InterfaceYou can use the Configuration Manager to enable or disable a DLSw interface on a specific circuit. T

Configuring DLSw Services5-14Following is a description of the parameters in the DLSw Interface Configuration window. Parameter: Enable Default: Enable

Editing DLSw Parameters5-15Figure 5-4. Circuit List WindowFigure 5-5. Edit Connector WindowIn either case, the Circuit Definition window appears (Figur

Configuring DLSw Services5-16Figure 5-6. Circuit Definition Window 1. Select Protocols➔DLSw➔Interfaces. The Edit DLSw Interface window appears (Figure

Editing DLSw Parameters5-172. Click on Values and select Enable or Disable.3. If you are editing an SDLC circuit, edit the Mode parameter by clicking

Configuring DLSw Services5-18Figure 5-8. Configured Peer in DLSw Peer Configuration WindowAdding a DLSw Peer IP Table EntryTo add a new DLSw Peer IP Tab

Editing DLSw Parameters5-192. Type a value for the Peer IP Address parameter.Figure 5-9. IP Address in DLSw Peer Configuration Window3.Click on OK.This

xiiFigure 4-4. LLC2 Frame Relay Mapping Add Window ...4-6Figure 4-5. DLSw Slot Configuration Window ...

Configuring DLSw Services5-20Editing a DLSw Peer IP Table EntryYou cannot edit the Peer IP Address parameter associated with an existing DLSw Peer IP

Editing DLSw Parameters5-21The system software deletes the entry, and the entry disappears from the list of configured peers.3. Click on Done.The Config

Configuring DLSw Services5-22Figure 5-11. DLSw Slot Configuration WindowAdding a DLSw Slot IP Table EntryTo add a new DLSw Slot IP Table entry, begin a

Editing DLSw Parameters5-232. Type a value for the Slot parameter.3. Type the IP address of an interface configured earlier on the router.Each DLSw-cap

Configuring DLSw Services5-24Editing a DLSw Slot IP Table EntryYou can edit only the IP Address for TCP Connection parameter in an existing DLSw Slot

Editing DLSw Parameters5-25 Parameter: IP Address for TCP Connection Default: None Options: Any valid, 32-bit IP address in the form network.host in d

Configuring DLSw Services5-26The system software deletes the entry you selected, and the entry disappears from the list of DLSw Slot IP Table entries

Editing DLSw Parameters5-27Figure 5-15. SAP Addresses in DLSw SAP Configuration WindowAdding a DLSw SAP Table EntryTo add a new SAP Table entry, begin

Configuring DLSw Services5-282.Type the 0x prefix and then enter a hexadecimal value for the SAP parameter.Valid SAP addresses include even values 00,

Editing DLSw Parameters5-29Editing a DLSw SAP Table EntryYou can edit only the SAP Window (flow control) parameter associated with an existing DLSw SAP

xiiiFigure 5-25. Saving a DLSw Default MAC Peer IP Table Entry ...5-42Figure 5-26. Deleting a DLSw Default MAC Peer IP

Configuring DLSw Services5-30Figure 5-17. Saving the Edited SAP Window Setting5. Click on Done.You return to the Configuration Manager window.Following

Editing DLSw Parameters5-31 Parameter: SAP Window Default: 10 (frames) Range: 6 to 200 frames Function: Specifies the maximum number of unacknowledged

Configuring DLSw Services5-32Figure 5-18. Deleting a SAP Table Entry4.Click on Done.This completes the deletion procedure and returns you to the Config

Editing DLSw Parameters5-33Figure 5-19. DLSw NetBIOS Peer Configuration WindowClicking on a name in the list window causes the DLSw Peer IP address ass

Configuring DLSw Services5-34Figure 5-20. DLSw NetBIOS Configuration Window2.Type the name of the remote NetBIOS client or server.This is the client or

Editing DLSw Parameters5-35 Parameter: NetBIOS Name Default: None Options: Any valid NetBIOS name Function: Specifies the name of the remote NetBIOS cl

Configuring DLSw Services5-36Editing a DLSw Default NetBIOS Peer IP Table EntryYou can edit only the Default NetBIOS Peer IP Address parameter in a De

Editing DLSw Parameters5-37Following is a description of the Default NetBIOS Peer IP Address parameter. Parameter: Default NetBIOS Peer IP Address Def

Configuring DLSw Services5-38 Figure 5-22. Deleting a DLSw Default NetBIOS Peer IP Table Entry2.Click on Delete. The system deletes the entry you sele

Editing DLSw Parameters5-39The DLSw MAC Peer Configuration window appears (Figure 5-23), showing a list of Token Ring/802.5 MAC addresses associated wi

Configuring DLSw Services5-40Figure 5-24. MAC Addresses in the DLSw MAC Configuration Window2.Type the Token Ring/802.5 MAC address.This is the address

Editing DLSw Parameters5-41 Parameter: MAC Address Default: None Options: Any valid, 48-bit MAC address expressed in hexadecimal notation Function: Sp

Configuring DLSw Services5-424.Click on Apply.This saves your change to the router configuration file.Figure 5-25. Saving a DLSw Default MAC Peer IP Tab

Editing DLSw Parameters5-43 Parameter: Default MAC Peer IP Address Default: None Options: Any valid, 32-bit IP address in the form network.host (using

Configuring DLSw Services5-44The system software deletes the entry you select, and the entry disappears from the list.3. Click on Done.The Configuratio

Editing DLSw Parameters5-45Figure 5-27. DLS Local Device Configuration Window2.Click on the local device whose parameters you want to change.Edit the p

Configuring DLSw Services5-46• To add a local device, start at the Configuration Manager window and select the connector to which you are adding a loca

Editing DLSw Parameters5-47 Parameter: Link Address (hex) Default: None Options: Any valid hexadecimal link station address from 0x01 to 0xFE Function

Configuring DLSw Services5-48 Parameter: PU Type Default: None Options: T2.0 | T2.1 Function: Specifies the type of the XID-sending node. This paramete

Editing DLSw Parameters5-49 Parameter: IDNUM Default: None Options: Any 5-digit hexadecimal value from 00000 to FFFFF (for T2.0 nodes) Function: Speci

xv Tables Table 5-1. Customizing the DLSw Support Protocols ...5-2Table A-1. DLSw Global Parameters ...

Configuring DLSw Services5-50 Parameter: Source (Virtual) MAC (hex) Default: None Options: Any standard MSB Token Ring MAC address Function: Specifies

Editing DLSw Parameters5-51 Parameter: Destination (Host) SAP (hex) Default: 0x4 Range: 0x01 to 0xFE Function: Identifies (with the Destination MAC) th

Configuring DLSw Services5-52 Parameter: Canureach Timer Default: 30 s Range: 0 to 3600 Function: Specifies the time interval (in seconds) after which

Editing DLSw Parameters5-53 Parameter: Link Station Retries Default: 4294967295 Range: 0 to 4294967295 Function: Specifies the maximum number of times

Configuring DLSw Services5-54Deleting a DLSw Local Device EntryTo delete a DLSw Local Device entry from the router configuration, start at the DLS Loca

6-1Chapter 6Using DLSw PrioritizationThis chapter provides guidelines for implementing Data Link Switching (DLSw) TCP-level Prioritization. Following

Configuring DLSw Services6-2With protocol prioritization, the router sorts traffic into queues according to priority filters that you configure. For most

Using DLSw Prioritization6-3DLSw Priority QueuesThis section describes how DLSw protocol prioritization works, and defines DLSw terms.Although similar

Configuring DLSw Services6-4The router holds packets in the assigned priority queue according to how you configure DLSw protocol prioritization. Based

Using DLSw Prioritization6-5The Dequeue ListThree factors determine a packet’s weighted score:• Size of the packet• Percent of bandwidth allocated to

Configuring DLSw Services6-6Figure 6-1. Weighted Bandwidth Allocation

Using DLSw Prioritization6-7Tuning DLSw Protocol PrioritizationThis section explains how congestion control and queue depth affect DLSw prioritization

Configuring DLSw Services6-8Configuring Default Priority QueuesYou configure the default behavior of DLSw protocol prioritization using the Global DLSw

Using DLSw Prioritization6-9Enabling the Default Queues for Configured and Unconfigured PeersBegin by displaying the DLSw Protocol Prioritization (PP) G

Configuring DLSw Services6-10Figure 6-3. Global DLSw PP Parameters/Defaults Window2. Select Protocol Priority (PP) and click on Values.The Protocol Pr

Using DLSw Prioritization6-115. To also use the default priority queue structure for all unconfigured peers, change the value of the “PP for Unconfigure

Configuring DLSw Services6-12Customizing the Default Queue ConfigurationOnce you enable DLSw protocol prioritization, any DLSw peer uses default values

Using DLSw Prioritization6-13DLSw Protocol Prioritization Parameter DescriptionsUse the following descriptions as guidelines when you configure paramet

Configuring DLSw Services6-14 Parameter: Max Queue Buffers for Unconfig Peers Default: 50 Range: 10 to 2147483647 packets Function: Specifies the maximu

Using DLSw Prioritization6-15Configuring Peer-Specific Priority QueuesYou create the priority queue configuration for all configured and unconfigured DLSw

xvii About This Guide This guide describes how to customize Bay Networks™ router software for Data Link Switching (DLSw) services.The guide provides•

Configuring DLSw Services6-16The Peer Queue Configuration window appears (Figure 6-9).Figure 6-9. Peer Queue Configuration WindowThe Peer Queue Configura

Using DLSw Prioritization6-17The Add/Edit/Delete Queues window appears (Figure 6-10).Figure 6-10. Add/Edit/Delete Queues Window4.Click on Add.The Add

Configuring DLSw Services6-186.Enter a bandwidth.The bandwidth for queue number zero must be greater than 0. You can assign any percentage between 0 a

Using DLSw Prioritization6-19The Peer Queue Configuration window reappears (Figure 6-13). This time two of the DLSw peers use peer-specific queues and t

Configuring DLSw Services6-203.Change the value of “Protocol Priority” to ENABLED or DISABLED.4. Click on Apply.5. Click on Done.Customizing Specific D

Using DLSw Prioritization6-21Peer Queue Configuration Parameter DescriptionsUse the following descriptions as guidelines when you configure parameters o

Configuring DLSw Services6-22 Parameter: Max Queue Size Default: 16000 Range: 5000 to 2147483647 bytes Function: Specifies the maximum size of each of

Using DLSw Prioritization6-23The DLS Priority/Outbound Filters window appears (Figure 6-16).Figure 6-16. DLS Priority/Outbound Filters WindowThis wind

Configuring DLSw Services6-24If you are familiar with the Template Management window for WAN protocols, you create the templates for the DLSw priority

Using DLSw Prioritization6-25— To modify an existing template without preserving the original template, edit the existing template. Note that changing

Configuring DLSw Servicesxviii Before You Begin Before using this guide, you must complete the following procedures:• Open a configuration file• Specif

Configuring DLSw Services6-26Refer to Appendix B for information about the DLSw outbound traffic filter criteria.7. Select Action➔Add➔Queue (Figure 6-19

Using DLSw Prioritization6-27The Queue Number window appears (Figure 6-20).Figure 6-20. Queue Number Window8.Enter the queue number.DLSw will send tra

Configuring DLSw Services6-28The Create Filter window appears (Figure 6-21).Figure 6-21. Create Filter Window12.Type a name for the filter in the Filte

Using DLSw Prioritization6-29Each entry in the filter scroll box lists the filter number, filter name, and IP address of the affected DLSw peer. Filters

Configuring DLSw Services6-30Using the DLSw Peer Configuration WindowIn addition to using the menu selections shown in this section, you can access the

Using DLSw Prioritization6-31Sample Templates for DLSw Protocol PrioritizationIn addition to using the Configuration Manager screens described in this

A-1Appendix ADLSw Default SettingsTables A-1 through A-8 list the default settings for DLSw parameters. Use the Configuration Manager to edit the defau

Configuring DLSw ServicesA-2Table A-2. DLSw Interface Parameters Parameter DefaultEnable EnableMode PrimaryTable A-3. DLSw Peer IP Table Parameters

DLSw Default SettingsA-3Table A-5. DLSw Slot IP Table Parameters Parameter DefaultIP Address for TCP Connection NoneSlot NoneIP Address NoneTable A-6

About This Guidexix The Bay Networks forum contains libraries of technical and product documents designed to help you manage and troubleshoot your Ba

Configuring DLSw ServicesA-4Table A-9. DLSw Local Devices Parameters Parameter DefaultDisable EnablePU Name NonePU Type NoneIDBLOCK NoneIDNUM NoneXID

B-1Appendix BCriteria for DLSw PrioritizationThis appendix includes both the DLSw predefined criteria that the Configuration Manager provides and the su

Configuring DLSw ServicesB-2Predefined DLSw CriteriaYou configure outbound filters for DLSw traffic based on the predefined criteria listed in Table B-1. D

Criteria for DLSw PrioritizationB-3Table B-2. DLSw Reference Points for FID2 FramesCriteria (FID2) Reference Point Offset (bits) Length (bits)Format I

Configuring DLSw ServicesB-4Specifying MAC Address RangesWhen you create a filter that includes a Source or Destination MAC Address criterion, you spec

Criteria for DLSw PrioritizationB-5Source Routing Bridge Functional MAC AddressesFunctional MAC addresses are Destination MAC addresses that always co

Configuring DLSw ServicesB-6Table B-6. SAP CodesDescription SAP CodeXID or TEST 00Individual Sublayer Mgmt 02Group Sublayer Mgmt 03SNA 04, 08, 0CIP 06

Index-1Aactions, traffic filterDLSw protocol prioritization, 6-27addingDLSw default MAC peer IP entries, 5-39DLSw default NetBIOS peer IP entries, 5-33D

Index-2DLSw peer IP entries, 5-20DLSw SAP entries, 5-31DLSw slot entries, 5-25dequeuingalgorithms, weighted dequeuing, 6-5DLSw protocol prioritization

Index-3DLSw local devices parametersCanureach Retries, 4-24, 5-52Canureach Timer, 4-23, 5-52Destination (Host) MAC (hex), 4-22, 5-50Destination (Host)

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Configuring DLSw Servicesxx Bay Networks maintains a WWW Home Page that you can access at http://www.baynetworks.com. One of the menu items on the Ho

Index-4Ethernet/802.3, multiple DLSw peers serving a LAN, 2-11explorer frames, 2-11Ffilters, DLSw inbound and outbound, 1-13flow control, 2-17configurati

Index-5memory requirements, 2-14multiple DLSw peers, 2-11Nnegotiable link stations, 1-8NetBIOSsample template, 6-31NetBIOS Cache Age parameter, 5-9Net

Index-6configuring peer-specific, 6-15enabling and disabling, 6-19DLSw enqueuing, 6-4RReject Unconfigured Peers parameter, 5-10Remote MAC parameter, 4-7R

Index-7Filter Template Management window, 6-24media and protocols supported, 6-1Queue Number window, 6-27translation bridge support, 2-13transparent b

About This Guidexxi vertical line (|) Indicates that you enter only one of the parts of the command. The vertical line separates choices. Do not type

Configuring DLSw Servicesxxii TCP/IP Transmission Control Protocol/Internet ProtocolVTAM Virtual Telecommunications Access MethodXID exchange identifi

1-1 Chapter 1Data Link Switching Overview This chapter presents information about Data Link Switching (DLSw), as follows:• DLSw networking overview•

Configuring DLSw Services1-2 DLSw Networking Overview Data Link Switching (DLSw) provides a standards-based mechanism for reliably transporting conne

Data Link Switching Overview1-3 DLSw runs on all Bay Networks router platforms using local and wide area network facilities, including • LAN media, i

Configuring DLSw Services1-4 Figure 1-1. DLSw Single-Switch and Dual Switch-to-Switch NetworksBay Networks RouterToken RingBay Networks RouterToken R

Data Link Switching Overview1-5 DLSw Single-Switch Services DLSw single-switch services enable the router to perform link level conversion, while pro

Configuring DLSw Services1-6 Figure 1-3 illustrates a network using adjacent routers, each performing single- switch conversion. Between single switc

Data Link Switching Overview1-7 DLSw dual switch services is based on RFC 1434. This RFC defines the TCP/IP control protocol, Switch-to-Switch Protoco

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Configuring DLSw Services1-8 SDLC Support The Bay Networks integrated SDLC support merges the low-speed SDLC traffic of an SNA network with the high-s

Data Link Switching Overview1-9 Integrated SDLC Conversion Integrated SDLC conversion enables existing SDLC traffic to share a backbone network with L

Configuring DLSw Services1-10 Figure 1-6 illustrates a DLSw dual switch-to-switch network with SDLC clients using DLSw services at the local router t

Data Link Switching Overview1-11 In both single and dual switch-to-switch networks, you must map the addresses of the SDLC devices to Token Ring/802.

Configuring DLSw Services1-12 Figure 1-7. Sample Frame Relay Network For more information on LLC2 over Frame Relay, refer to Configuring LLC Services

Data Link Switching Overview1-13 DLSw Filtering Bay Networks provides three filtering mechanisms that affect DLSw traffic: • Inbound traffic filters• DLS

Configuring DLSw Services1-14You can also prioritize traffic based on any values within the headers and data packets.For detailed information about DL

Data Link Switching Overview1-15For More Information about DLSwThe following publications provide more detailed technical information related to DLSw

2-1Chapter 2DLSw Implementation NotesThis chapter provides information on DLSw configurations, support protocols, and performance when configuring and c

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Configuring DLSw Services2-2• The number of SRB LAN and bridge elements allowed in a source routing network• The number of SRB LAN and bridge elements

DLSw Implementation Notes2-3Figure 2-2. DLSw-Capable Routers on an IP BackboneCounting the IP Virtual RingThe DLSw peers at the periphery of a TCP/IP

Configuring DLSw Services2-4Figure 2-3. DLSw Peers Using an IP Virtual RingNetBIOS and SNA systems on a LAN attached to a DLSw peer perceive the IP vi

DLSw Implementation Notes2-5Just as each physical Token Ring in a source routing network has an associated Ring ID, the IP virtual ring also has a Vir

Configuring DLSw Services2-6Figure 2-4. Counting the IP Virtual RingCounting the Internal LAN Each DLSw-capable Bay Networks router between an SRB LAN

DLSw Implementation Notes2-7 Figure 2-5. Router Logical Considerations for DLSw SupportThe internal LAN is not an actual network, but you must account

Configuring DLSw Services2-8Computing a DLSw Connection PathFor SRB LAN environments, the longest DLSw connection path can include up to 15 SRB LANs a

DLSw Implementation Notes2-9Figure 2-6. End-to-End Path in a DLSw-capable Token Ring/802.5 NetworkFor mixed topologies (SRB and non-SRB LANs), an end-

Configuring DLSw Services2-10Figure 2-7. DLSw Services in Parallel with a Transparent BridgeFigure 2-8. DLSw Services in Parallel with a Source Routin

DLSw Implementation Notes2-11Multiple DLSw Peers on a LANYou can configure two or more DLSw nodes on the same SRB LAN. With this configuration, each DLS

v Contents About This Guide Audience ...

Configuring DLSw Services2-12• DLSw or SRB, whichever receives a response first, takes precedence. The slower subsystem ceases any further attempts to

DLSw Implementation Notes2-13The transparent bridge interface on the same circuit with DLSw never sees TEST frames that contain destination SAP addres

Configuring DLSw Services2-14.Figure 2-11. Translation Bridge ServicesThe translation bridge service• Supports communication between systems on SRB an

DLSw Implementation Notes2-15For more information on DLSw memory usage, contact Bay Networks Technical Response Center. TCP ConsiderationsTCP timers a

Configuring DLSw Services2-16TCP Max Retransmission TimeoutThe TCP Max Retransmission Timeout parameter setting determines the maximum time between su

DLSw Implementation Notes2-17LLC2 Flow ControlThe LLC2 protocol interface provides a bidirectional window mechanism and a SAP credit allocation mechan

Configuring DLSw Services2-18PerformanceIn a DLSw configuration that includes a single IP virtual ring, the operation of three connection-oriented prot

3-1Chapter 3DLSw Configuration OverviewThis chapter provides general information about configuring DLSw on Bay Networks routers, including• DLSw session

Configuring DLSw Services3-2• Upon receiving a CANUREACH frame, a DLSw slot:— Forwards the frame to all other slots defined in this router’s DLSw Slot

DLSw Configuration Overview3-3Figure 3-1. DLSw Configuration Sequence for Token Ring/802.5 or Other Source Route Bridge NetworksAre you defining the fi

vi Chapter 2 DLSw Implementation Notes Source Route Bridge Topologies ...

Configuring DLSw Services3-4Figure 3-2. DLSw Configuration Sequence for Ethernet/802.3 or Frame Relay Network Are you defining the first DLSw interface

DLSw Configuration Overview3-5Configuration Objects for Single Switch DLSwThis section describes the objects you define when you configure DLSw services

Configuring DLSw Services3-6Figure 3-3. Sample Network with SAP Table DefinitionsRefer to Chapter 5 for more information about accessing and editing th

DLSw Configuration Overview3-7If a unique IP address is not available, you must perform one of the following tasks:• For configurations that do not hav

Configuring DLSw Services3-8• Router C, a regional site connected to the central site using multiple links, is a single slot router running dual switc

DLSw Configuration Overview3-9DLSw Peer IP Table Data Link Switches that connect to the same TCP/IP network are called DLSw peers on that network. On

Configuring DLSw Services3-10You typically define as configured peers• One slot in each DLSw-capable remote Bay Networks router in your TCP/IP network t

DLSw Configuration Overview3-11Unconfigured peers normally do not receive broadcast frames from another router. However, unconfigured peers on a remote

Configuring DLSw Services3-12Figure 3-5. Sample Network with Peer IP Table DefinitionsConfiguration Objects for SDLCThis section describes the objects y

DLSw Configuration Overview3-13• Clock SourceUse this parameter when connecting the SNA equipment directly to the router. Either the router or the SNA

viiUnconfigured Peers ...3-10Configuration Objects for SDLC ...

Configuring DLSw Services3-14Local Devices DLSw uses Local Device entries to define SDLC-attached SNA physical units (PUs) to the router. NetBIOS does

DLSw Configuration Overview3-15• Source (Host) MAC (hex)This parameter must be defined in the LAN gateway when using an IBM 3174 (or compatible) gatewa

Configuring DLSw Services3-16Local Bay Networks routers receive frames that contain information about the location (that is, the DLSw peer IP address)

DLSw Configuration Overview3-17In the router’s Default MAC Peer IP Table, enter the peer IP address of the DLSw peer associated with any remote SNA sy

4-1Chapter 4Enabling DLSw ServicesThis chapter describes how to enable DLSw services. It assumes you have read Configuring Routers and completed the fo

Configuring DLSw Services4-2Configuring DLSw the First Time When you first configure DLSw, you use Site Manager windows to• Set the DLSw global parameter

Enabling DLSw Services4-3Figure 4-1. DLSw Global Parameters Window Parameter: IP Virtual Ring Default: None Range: 1 to 4095 Function: Specifies a virt

Configuring DLSw Services4-4Specifying Source Routing Bridge EncapsulationThe Source Route Encapsulation dialogue box (Figure 4-2) allows you to speci

Enabling DLSw Services4-5Mapping Frame Relay AddressesIf you are configuring a Frame Relay circuit without SRB, the LLC2 Frame Relay Mappings window ap

viiiEditing a DLSw Slot IP Table Entry ...5-24Deleting a DLSw Slot IP Table Ent

Configuring DLSw Services4-6Figure 4-4. LLC2 Frame Relay Mapping Add Window 2.Specify the DLCI, Remote MAC, and Local MAC parameters, as follows.3. Cl

Enabling DLSw Services4-7 Parameter: Remote MAC Default: None Options: Standard MSB Token Ring MAC addresses Function: Provides the remote MAC address

Configuring DLSw Services4-8Figure 4-5. DLSw Slot Configuration Window1.Click on Add.The second DLSw Slot Configuration window appears (Figure 4-6).Figu

Enabling DLSw Services4-93. Click on OK.The DLSw Slot Configuration window reappears. Repeat the instructions in this section for each slot you want to

Configuring DLSw Services4-10Figure 4-7. DLSw Peer Configuration Window1.Click on Add. The second DLSw Peer Configuration window appears (Figure 4-8). F

Enabling DLSw Services4-11This accepts the peer IP address and displays the first DLSw Peer Configuration window. Add additional peers by clicking on Ad

Configuring DLSw Services4-12Figure 4-9. DLSw SAP Configuration Window1. Click on Add.The second DLSw SAP Configuration window appears (Figure 4-10). Fi

Enabling DLSw Services4-13The first DLSw SAP Configuration window reappears. Repeat the instructions in this section as needed.4. Click on Done.The main

Configuring DLSw Services4-14Figure 4-11. SDLC Line Parameters Window 2.Edit the Clock Source, Internal Clock Speed, Sync Line Coding, Cable Type, and

Enabling DLSw Services4-15 Parameter: Internal Clock Speed Default: 64 KB Options: 1200 B| 2400 B | 4800 B | 7200 B | 9600 B |19200 B | 32000 B | 384

ixCustomizing the Default Queue Configuration ...6-12DLSw Protocol Prioritization Parameter Descri

Configuring DLSw Services4-16 Parameter: Cable Type Default: Null Options: Null | RS232 | RS422 | V35 | X21 Function: Specifies the cable interface to

Enabling DLSw Services4-17The DLS Local Device Configuration window appears (Figure 4-13). Figure 4-13. DLS Local Device Configuration Window5.Click on

Configuring DLSw Services4-18Figure 4-14. Local Device Configuration Window Parameter: Link Address (hex) Default: None Range: Any valid hexadecimal li

Enabling DLSw Services4-19 Parameter: Disable Default: Enable Options: Enable | Disable Function: Enables or disables the DLSw local device. Instructi

Configuring DLSw Services4-20 Parameter: IDBLOCK Default: None Options: 017 | 061 | any other 3-digit hexadecimal value Function: Specifies the block n

Enabling DLSw Services4-21 Parameter: XID Format Default: None Options: FIXED | VARIABLE1 | VARIABLE2 Function: Specifies the format of the XID I-field

Configuring DLSw Services4-22 Parameter: Source (Virtual) SAP (hex) Default: 0x4 Range: 0x01 to 0xFE Function: Specifies the source service access poin

Enabling DLSw Services4-23 Parameter: MAXOUT Default: 7 Range: 1 to 127 Function: Controls the maximum number of consecutive frames that an SDLC link

Configuring DLSw Services4-24 Parameter: Canureach Retries Default: 4294967295 Range: 0 to 4294967295 Function: Specifies the number of times a canurea

Enabling DLSw Services4-25 Parameter: SDLC Receive Credit Default: 10 Range: 0 to 200 Function: Specifies the maximum number of frames SDLC can send to