Quick Reference Guide

364 Spanning-Tree Commands
Example
The following example restarts the protocol migration process (forces the renegotiation with neighboring
switches) on g1.
show spanning-tree
The show spanning-tree Privileged EXEC mode command displays spanning-tree configuration.
Syntax
• show spanning-tree [ ethernet interface-number | port-channel port-channel-number ] [ instance
instance-id ]
• show spanning-tree [detail] [active | blockedports] [ instance instance-id ]
• show spanning-tree mst-configuration
• detail — Display detailed information.
• active — Display active ports only.
• blockedports — Display blocked ports only.
• mst-configuration — Display the MST configuration identifier.
• interface-number — Ethernet port number. (Range: Valid Ethernet port)
• port-channel-number — Port channel index. (Range: Valid Ethernet port)
• instance-id — ID associated with a spanning-tree instance.
Default Configuration
This command has no default configuration.
Command Modes
Privileged EXEC mode.
User Guidelines
• There are no user guidelines for this command.
Console# clear spanning-tree detected-protocols ethernet g1
5400_CLI.book Page 364 Wednesday, December 17, 2008 4:33 PM