Cisco Systems Comprehensive DLSw+ Configuration for Cisco Network Hardware
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Configuring Data-Link Switching Plus

DLSw+ Configuration Task List

Defining a DLSw+ Remote Peer

Defining a remote peer in DLSw+ is optional, however, usually at least one side of a peer connection has

adlsw remote-peerstatement. If you omit the dlsw remote-peercommand from a DLSw+ peer configuration, then you must configure the promiscuous keyword on the dlsw local-peer statement. Promiscuous routers will accept any peer connection requests from other routers that are not preconfigured. To define a remote peer, use the dlsw remote-peercommand in global configuration mode.

One of the options in the remote peer statement is to specify an encapsulation type. Configure one of the following types of encapsulations with the dlsw remote-peerstatement:

•TCP Encapsulation, page 289

•TCP/IP with RIF Passthrough Encapsulation, page 290

•FST Encapsulation, page 290

•Direct Encapsulation, page 291

•DLSw Lite Encapsulation, page 291

Which encapsulation type you choose depends on several factors, including whether you want to terminate the LLC flows. TCP and DLSw+ Lite terminate the LLC, but the other encapsulation types do not. For details on each encapsulation type, see the DLSw+ Design and Implementation Guide. See the “Local Acknowledgement” section in the overview chapter of this publication for a discussion on local acknowledgement.

TCP Encapsulation

To configure TCP encapsulation on a remote peer, use the following command in global configuration mode:

Command

Purpose

 

 

Router(config)# dlsw remote-peer list-numbertcp

Defines a remote peer with TCP encapsulation.

ip-address [

 

[ip-addressframe-relay interface serial

 

number dlci-number interface name]]

 

[bytes-netbios-out bytes-list-name]

 

[circuit-weight weight] [cluster cluster-id]

 

[cost cost] [dest-macmac-address]

 

[dmac-output-listaccess-list-number]

 

[host-netbios-out host-list-name] [inactivity]

 

[dynamic] [keepalive seconds] [lf size] [linger

 

minutes] [lsap-output-list list] [no-llc

 

minutes] [passive] [priority] [rif-passthru

 

virtual-ring-number] [tcp-queue-maxsize]

 

[timeout seconds]

 

 

 

The following command specifies a dlsw remote peer with TCP encapsulation:

dlsw remote-peer 0 tcp 10.23.4.5

 

 

Cisco IOS Bridging and IBM Networking Configuration Guide

 

 

 

 

 

 

 

78-11737-02

 

 

BC-289

 

 

 

 

 

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Contents BC-281 Configuring Data-Link Switching PlusDLSw Version 2 Standard DLSw StandardIP Multicast BC-282Enhanced Peer-on-Demand Routing Feature DLSw+ FeaturesUDP Unicast Expedited TCP ConnectionBC-284 Local AcknowledgmentLLC2 Session without Local Acknowledgment BC-285BC-286 BC-287 DLSw+ Support for Other SNA FeaturesDefining a DLSw+ Local Peer for the Router Command PurposeDefines the DLSw+ local peer Following is a sample dlsw local peer statementDefining a DLSw+ Remote Peer TCP EncapsulationBC-289 FST Encapsulation TCP/IP with RIF Passthrough EncapsulationDefines a remote peer with FST encapsulation BC-290DLSw Lite Encapsulation Direct EncapsulationDefines a remote peer with direct encapsulation Defines a remote peer with DLSw Lite encapsulationMapping DLSw+ to a Local Data-Link Control Token RingBC-292 BC-293 EthernetEnables DLSw+ on an Sdlc interface Associated with this serial interfaceBC-294 BC-295 Configuring Advanced FeaturesScalability Peer Groups and Border PeersBC-296 BC-297 BC-298 Enables peer groups and border peersConfigures peer-on-demand defaults Local, remote, and group cachesBC-299 NetBIOS Dial-on-Demand Routing Displays content of group, local and remote cachesFollowing command enables NetBIOS DDR Explorer FirewallsUDP Unicast Feature Following command configures the SNA DDR featureSNA Dial-on-Demand Routing BC-301Promiscuous Peer Defaults Configures a dynamic peerLLC1 Circuits Dynamic PeersAvailability Configures promiscuous peer defaultsLoad Balancing BC-303BC-304 Local routerBackup Peers Configures transparent redundancyEthernet Redundancy Addresses on a transparent bridged are mappedConfigures a backup peer Modes of OperationBC-306 Network Management Access ControlTraffic Bandwidth and Queueing Management BC-307Defines a port list DLSw+ Bridge Group ListBC-308 Static Paths Filter Lists in the Remote-Peer CommandStatic Resources Capabilities Exchange BC-309BC-310 Configuring DLSw+ TimersBC-311 BC-312 Following sections provide DLSw+ configuration examplesRouter a Router BBC-313 DLSw+ with Peer Groups Specified Example BC-314BC-315 Router CFEP BC-316BC-317 Router DRouter E DLSw+ with Sdlc Multidrop Support Configuration ExamplesFollowing example, all devices are type PU BC-318BC-319 Following example, all devices are type PU 2.1 MethodHostname Router a BC-320DLSw+ Translation Between Fddi and Token Ring BC-321BC-322 DLSw+ Translation Between Sdlc and Token Ring Media ExampleSdlc partner 1000.5aed.1f53 d2 sdlc dlsw d2 BC-323DLSw+ over Frame Relay Configuration Example RingBC-324 Following three examples describe Qllc support for DLSw+ DLSw+ over Qllc Configuration ExamplesExample BC-325BC-326 DLSw+ with RIF Passthrough Configuration ExampleBC-327 DLSw+ with Enhanced Load Balancing Configuration ExampleBC-328 DLSw+ Peer Cluster Feature Configuration ExampleBC-329 DLSWRTR2BC-330 Shows a DLSw+ border peer network configured with DLSw+ RsvpBC-331 DLSw+ with Ethernet Redundancy Configuration ExampleBC-332 DLSw+ with Ethernet Redundancy in a Switched EnvironmentBC-333 BC-334
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