Cisco Systems BC-281 User Manual

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BC-281
Cisco IOS Bridging and IBM Networking Configuration Guide
78-11737-02
Configuring Data-Link Switching Plus
This chapter describes how to configure data-link switching plus (DLSw+), Cisco’s implementation of
the DLSw standard for Systems Network Architecture (SNA) and NetBIOS devices. Refer to the DLSw+
Design and Implementation Guide for more complex configuration instructions. For a complete
description of the DLSw+ commands mentioned in this chapter, refer to the “DLSw+ Commands”
chapter of the Cisco IOS Bridging and IBM Networking Command Reference (Volume 1 of 2). To locate
documentation of other commands that appear in this chapter, use the command reference master index
or search online.
This chapter contains the following sections:
Technology Overview, page 281
DLSw+ Configuration Task List, page 288
Verifying DLSw+, page 310
Monitoring and Maintaining the DLSw+ Network, page 311
DLSw+ Configuration Examples, page 312
To identify the hardware platform or software image information associated with a feature, use the
Feature Navigator on Cisco.com to search for information about the feature or refer to the software
release notes for a specific release. For more information, see the “Identifying Platform Support for
Cisco IOS Software Features” section on page lv in the “Using Cisco IOS Software” chapter.
Technology Overview
DLSw+ is a method of transporting SNA and NetBIOS. It complies with the DLSw standard documented
in RFC 1795 and the DLSw Version 2 standard. DLSw+ is an alternative to RSRB that addresses several
inherent problems that exist in RSRB, such as:
SRB hop-count limits (SRB’s limit is seven)
Broadcast traffic (including SRB explorer frames or NetBIOS name queries)
Unnecessary traffic (acknowledgments and keepalives)
Data-link control timeouts
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Summary of Contents

Page 1 - Technology Overview

BC-281Cisco IOS Bridging and IBM Networking Configuration Guide 78-11737-02Configuring Data-Link Switching PlusThis chapter describes how to configur

Page 2 - DLSw Version 2 Standard

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-290Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02TCP/IP wit

Page 3 - DLSw+ Features

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-291Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Direct Enc

Page 4 - Local Acknowledgment

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-292Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Mapping DL

Page 5

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-293Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02EthernetTr

Page 6

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-294Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Use the de

Page 7

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-295Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02• Remote X

Page 8

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-296Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02• Modes of

Page 9 - Defining a DLSw+ Remote Peer

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-297Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02The DLSw+

Page 10 - FST Encapsulation

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-298Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02To define

Page 11 - DLSw Lite Encapsulation

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-299Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02To configu

Page 12 - Token Ring

Configuring Data-Link Switching PlusTechnology OverviewBC-282Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw StandardThe DLS

Page 13 - Ethernet

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-300Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02To display

Page 14

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-301Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02SNA Dial-o

Page 15 - Configuring Advanced Features

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-302Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02LLC1 Circu

Page 16 - Scalability

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-303Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02To configu

Page 17 - DLSw+ Configuration Task List

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-304Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02For multip

Page 18

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-305Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Ethernet R

Page 19

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-306Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Note If th

Page 20 - Explorer Firewalls

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-307Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Network Ma

Page 21 - UDP Unicast Feature

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-308Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Figure 130

Page 22 - Promiscuous Peer Defaults

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-309Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Static Pat

Page 23 - Availability

Configuring Data-Link Switching PlusTechnology OverviewBC-283Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02UDP Unicast DLSw Ver

Page 24

Configuring Data-Link Switching PlusVerifying DLSw+BC-310Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Configuring DLSw+ Timers

Page 25 - Backup Peers

Configuring Data-Link Switching PlusMonitoring and Maintaining the DLSw+ NetworkBC-311Cisco IOS Bridging and IBM Networking Configuration Guide78-117

Page 26 - Modes of Operation

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-312Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02See the DLS

Page 27 - Access Control

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-313Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Figure 131

Page 28 - DLSw+ Bridge Group List

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-314Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw+ Using

Page 29 - Static Paths

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-315Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02!interface

Page 30 - Verifying DLSw+

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-316Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw+ Using

Page 31

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-317Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02dlsw local-

Page 32 - DLSw+ Configuration Examples

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-318Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02no ip addre

Page 33 - Router B

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-319Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02 clockrate

Page 34 - Configuration Example 1

Configuring Data-Link Switching PlusTechnology OverviewBC-284Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02• UDP unicast suppor

Page 35 - Router C

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-320Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Router Asou

Page 36 - Configuration Example 2

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-321Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02dlsw bridge

Page 37 - Router D

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-322Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02interface f

Page 38 - C2) devices:

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-323Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02!interface

Page 39 - Frame Relay

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-324Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02source-brid

Page 40

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-325Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02interface s

Page 41

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-326Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Example 3In

Page 42

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-327Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw+ with

Page 43

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-328Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw+ Peer

Page 44

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-329Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSW+ RSVP

Page 45 - Example 2

Configuring Data-Link Switching PlusTechnology OverviewBC-285Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Figure 127 LLC2 Sess

Page 46 - Example 3

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-330Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02DLSw+ RSVP

Page 47

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-331Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02The followi

Page 48

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-332Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02dlsw remote

Page 49 - DLSWRTR2

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-333Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Router Adls

Page 50 - DLSWRTR1

Configuring Data-Link Switching PlusDLSw+ Configuration ExamplesBC-334Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02

Page 51

Configuring Data-Link Switching PlusTechnology OverviewBC-286Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Enabling local ackno

Page 52

Configuring Data-Link Switching PlusTechnology OverviewBC-287Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02If you are using Net

Page 53

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-288Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Figure 129

Page 54

Configuring Data-Link Switching PlusDLSw+ Configuration Task ListBC-289Cisco IOS Bridging and IBM Networking Configuration Guide78-11737-02Defining a

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