Table Of Contents - Avaya 8600 Engineering

Table of Contents

Figures ......................................................................................................................................................... 5
Document Updates ..................................................................................................................................... 6
Conventions ................................................................................................................................................ 6
1. Overview: RSTP/MSTP ....................................................................................................................... 7
1.1 Interoperability with Legacy STP................................................................................................... 8
1.2 Differences in Port Roles .............................................................................................................. 9
1.3 Edge Port ...................................................................................................................................... 9
1.4 Path Cost Values ........................................................................................................................ 10
1.5 Root Bridge ................................................................................................................................. 10
1.6 Port Roles .................................................................................................................................... 10
1.7 Rapid Convergence .................................................................................................................... 12
1.8 Negotiation Process .................................................................................................................... 12
1.9 MSTP MST Region Configuration ............................................................................................... 13
1.10 Spanning Tree interoperability between Avaya and Cisco ......................................................... 14
1.11 RSTP/MSTP Definitions .............................................................................................................. 15
2. RSTP Configuration Example .......................................................................................................... 17
2.1 Configuration ............................................................................................................................... 18
2.2 Verify Operations ........................................................................................................................ 21
MSTP Configuration Example - One Region ................................................................................. 26
3.
3.1 Configuration ............................................................................................................................... 28
3.2 Verify Operations ........................................................................................................................ 34
4. MSTP Configuration Example - Two Regions ................................................................................ 46
4.1 Configuration ............................................................................................................................... 48
4.2 Verify Operations ........................................................................................................................ 48
5. Software Baseline ............................................................................................................................. 60
6. Reference Documentation ................................................................................................................ 61
7. Customer service .............................................................................................................................. 62
7.1 Getting technical documentation ................................................................................................. 62
7.2 Getting product training ............................................................................................................... 62
7.3 Getting help from a distributor or reseller .................................................................................... 62
7.4 Getting technical support from the Avaya Web site .................................................................... 62
July 2010
RSTP/MSTP Technical Configuration Guide
avaya.com
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