Cisco Catalyst 3550 Command Reference Manual page 389

Chapter 2 Cisco IOS Commands
Command
spanning-tree mst root
spanning-tree port-priority
spanning-tree portfast (global
configuration)
spanning-tree portfast (interface
configuration)
spanning-tree uplinkfast
spanning-tree vlan
78-11195-09
Description
Configures the MST root switch priority and timers based
on the network diameter.
Configures an interface priority.
Globally enables the BPDU filtering or the BPDU guard
feature on Port Fast-enabled ports or enables the Port Fast
feature on all nontrunking ports.
Enables the Port Fast feature on an interface and all its
associated VLANs.
Accelerates the choice of a new root port when a link or
switch fails or when the spanning tree reconfigures itself.
Configures spanning tree on a per-VLAN basis.
Catalyst 3550 Multilayer Switch Command Reference
show spanning-tree
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