Cisco Catalyst 4500 Series - Page 988

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show spanning-tree
Command Description
spanning-tree backbonefast Enables BackboneFast on a spanning-tree VLAN.
spanning-tree cost Calculates the path cost of STP on an interface.
spanning-tree guard Enables root guard.
spanning-tree pathcost method Sets the path cost calculation method.
spanning-tree portfast default Enables PortFast by default on all access ports.
spanning-tree portfast (interface
configuration mode)
Enables PortFast mode.
spanning-tree port-priority Prioritizes an interface when two bridges compete for
position as the root bridge.
spanning-tree uplinkfast Enables the UplinkFast feature.
spanning-tree vlan Configures STP on a per-VLAN basis.