System information

© Copyright IBM Corp. 2000 iii
Contents
Preface....................................................v
The team that wrote this redbook. ...................................vi
Commentswelcome............................................. vii
Chapter 1. Planning interoperability and migration ................1
1.1 Migration methods . .......................................2
1.1.1 Step-by-step box addition or replacement. . .................2
1.1.2 Cutovermigration.....................................3
1.1.3 Overlayingnetwork....................................3
1.1.4 Addingmorelevelstoahierarchy.........................4
1.2 Network management . . . ..................................5
Chapter 2. Functional comparisons ............................7
2.1 Ethernetswitches.........................................7
2.1.1 Criteriaforcomparison.................................7
2.1.2 ComparisonofIBMandCiscoEthernetSwitches............11
2.2 ATMswitches...........................................18
2.2.1 Criteriaforcomparison................................19
2.2.2 Comparison of IBM 8265-17A with Cisco 8540 . . . ...........23
2.2.3 Comparison of IBM 8210 MSS Server with Cisco 7200. . . .....24
Chapter 3. Ethernet switch interoperability .....................25
3.1 Scenario 1: Single subnet - step-by-step box addition . ...........25
3.2 Scenario 2: Multiple subnets - growth environment...............26
3.3 Basic Ethernet interoperability exercises ......................27
3.3.1 Lab 1: Trunking IBM 8275-322 and Cisco 2924-XL...........27
3.3.2 Lab 2: VLAN and trunking on IBM 8275 and Cisco 2924. . .....46
Chapter 4. ATM LAN backbone interoperability and migration ......67
4.1 ATM LAN backbone migration scenario . ......................67
4.1.1 A typical ATM LAN backbone ...........................67
4.1.2 The migration phase. .................................69
4.1.3 Future phases ......................................72
4.2 Interoperability testing . . . .................................73
4.3 Example of adding a Catalyst 5500 to an IBM 8265 ATM backbone . . 74
4.3.1 MSSServerconfiguration..............................78
4.3.2 MSSclientconfiguration...............................93
4.3.3 Configuring the Catalyst 5500 MPOA client ...............104
4.3.4 Verifyingtoken-ring-Ethernetshortcut...................108