Cisco Catalyst 3550 Series - Displaying the MST Configuration and Status

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Catalyst 3550 Multilayer Switch Software Configuration Guide
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Chapter 17 Configuring MSTP
Displaying the MST Configuration and Status
Displaying the MST Configuration and Status
To display the spanning-tree status, use one or more of the privileged EXEC commands in Table 17-4:
For information about other keywords for the show spanning-tree privileged EXEC command, refer to
the command reference for this release.
Table 17-4 Commands for Displaying MST Status
Command Purpose
show spanning-tree mst configuration Displays the MST region configuration.
show spanning-tree mst instance-id Displays MST information for the specified instance.
show spanning-tree mst interface interface-id Displays MST information for the specified interface. Valid interfaces
include physical ports, VLANs, and port channels. The valid VLAN range
is 1 to 4094; the valid port-channel range is 1 to 64.