Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guía Para Resolver Problemas
Ethernet Spanning Tree Limitations -
E Series Card
E Series Card
Document ID: 67872
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Background Information
VLAN Assignment Failures
Problem Description
Recommendation
Workaround for Circuits Provisioned in Incorrect Order
Invalid Circuit Configurations
Scenario 1
Scenario 2
Scenario 3
Point-to-Point Unstitched Circuits
Spanning Tree Assignment Display
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Related Information
Introduction
This document clarifies some of the spanning tree rules, and describes how the rules impact VLAN assignment. This
document does not intend to be a complete guide of spanning tree and Ethernet circuit provisioning on the ONS
15454. Instead, this document:
document does not intend to be a complete guide of spanning tree and Ethernet circuit provisioning on the ONS
15454. Instead, this document:
Explains the reasons that cause certain VLAN assignments to fail.
Provides recommendations that you can use to better design networks. The recommendations enable you to
consider the spanning tree limitations when you plan and implement circuits.
consider the spanning tree limitations when you plan and implement circuits.
Suggests a workaround in case you encounter the spanning tree constraints when you modify or create circuits.
Prerequisites
Requirements
Cisco recommends that you have knowledge of these topics:
Cisco ONS 15454
Spanning Tree Protocol (STP)
Components Used
The information in this document is based on these software and hardware versions:
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Cisco - Ethernet Spanning Tree Limitations - E Series Card
5/9/2006
http://www.cisco.com/warp/customer/127/ONS_15454/stalimits_eseries.html