Cisco Catalyst 4500 Series Command Reference Manual page 1054

spanning-tree mst
Command
show spanning-tree mst
spanning-tree port-priority
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
2-996
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Displays MST protocol information.
Enables an interface when two bridges compete for position
as the root bridge.
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