Cisco Systems BC-281 manual Static Paths, Static Resources Capabilities Exchange, BC-309

Page 29

Configuring Data-Link Switching Plus

DLSw+ Configuration Task List

Static Paths

Static path definitions allow a router to setup circuits without sending explorers. The path specifies the peer to use to access a MAC address or NetBIOS name.

To configure static paths to minimize explorer traffic originating in this peer, use one of the following commands in global configuration mode, as needed:

Command

Purpose

 

 

Router(config)# dlsw mac-addr mac-addr{ring

Configures the location or path of a static MAC address.

ring number remote-peer {interface serial

 

number ip-addressip-address} rif rif string

 

group group}

 

or

or

Router(config)# dlsw netbios-name netbios-name

Configures a static NetBIOS name.

{ring ring number remote-peer {interface

 

serial number ip-address ip-address} rif rif

 

string group group}

 

 

 

Static Resources Capabilities Exchange

To reduce explorer traffic destined for this peer, the peer can send other peers a list of resources for which it has information (icanreach) or does not have information (icannotreach). This information is exchanged as part of a capabilities exchange.To configure static resources that will be exchanged as part of a capabilities exchange, use one of the following commands in global configuration mode, as needed:

Command

Purpose

 

 

Router(config)# dlsw icannotreach saps sap

Configures a resource not locally reachable by the router.

[sap...]

 

or

or

 

Router(config)# dlsw icanreach {mac-exclusive

Configures a resource locally reachable by the router.

netbios-exclusive mac-address mac-addr[mask

 

mask] netbios-name name saps}

 

 

 

Filter Lists in the Remote-Peer Command

The dest-macand dmac-output-listoptions allow you to specify filter lists as part of the dlsw remote-peercommand to control access to remote peers. For static peers in direct, FST, or TCP encapsulation, these filters control which explorers are sent to remote peers. For dynamic peers in TCP encapsulation, these filters also control the activation of the dynamic peer. For example, you can specify at a branch office that a remote peer is activated only when there is an explorer frame destined for the Media Access Control (MAC) address of an FEP.

The dest-macoption permits the connection to be established only when there is an explorer frame destined for the specified MAC address. The dmac-output-listoption permits the connection to be established only when the explorer frame passes the specified access list. To permit access to a single MAC address, use the dest-macoption, because it is a configuration “shortcut” compared to the dmac-output-listoption.

 

 

Cisco IOS Bridging and IBM Networking Configuration Guide

 

 

 

 

 

 

 

78-11737-02

 

 

BC-309

 

 

 

 

 

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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 statementBC-289 Defining a DLSw+ Remote PeerTCP Encapsulation 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 encapsulationBC-292 Mapping DLSw+ to a Local Data-Link ControlToken Ring BC-293 EthernetBC-294 Enables DLSw+ on an Sdlc interfaceAssociated with this serial interface BC-295 Configuring Advanced FeaturesBC-296 ScalabilityPeer Groups and Border Peers BC-297 BC-298 Enables peer groups and border peersBC-299 Configures peer-on-demand defaultsLocal, remote, and group caches 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 mappedBC-306 Configures a backup peerModes of Operation Network Management Access ControlTraffic Bandwidth and Queueing Management BC-307BC-308 Defines a port listDLSw+ Bridge Group List 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 examplesBC-313 Router aRouter B 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-323BC-324 DLSw+ over Frame Relay Configuration ExampleRing 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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