Dell POWEREDGE M1000E - Manual (Page 747)

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Cisco Catalyst Blade Switch 3120 for HP Command Reference
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Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands
spanning-tree link-type
Related Commands Command Description
clear spanning-tree detected-protocols Restarts the protocol migration process (force the
renegotiation with neighboring switches) on all interfaces
or on the specified interface.
show spanning-tree interface
interface-id
Displays spanning-tree state information for the specified
interface.
show spanning-tree mst interface
interface-id
Displays MST information for the specified interface.