Switch User Manual

278 Spanning-Tree Commands
www.dell.com | support.dell.com
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.
Examples
The following example displays spanning-tree information.
Console# clear spanning-tree detected-protocols ethernet g1