52 Command Groups
spanning-tree port-
priority
Configures port priority. Interface Configuration
spanning-tree portfast Enables PortFast mode. Interface Configuration
spanning-tree link-type
Overrides the default link-type setting
. Interface Configuration
spanning-tree pathcost
method
Sets the default path cost method. Global Configuration
spanning-tree bpdu Defines bridge protocol data unit (BPDU) handling
when Spanning Tree is disabled on an interface.
Global Configuration
clear spanning-tree
detected-protocols
Shutdowns an interface when it receives a BPDU. Interface Configuration
clear spanning-tree
detected-protocols
Restarts the protocol migration process on all
interfaces or on the specified interface.
Privileged EXEC
spanning-tree mst
priority
Configures the device priority for the specified
spanning-tree instance.
Global Configuration
spanning-tree mst
max-hops
Configures the number of hops in an MST region
before the BDPU is discarded and the port
information is aged out.
Global Configuration
spanning-tree mst
port-priority
Configures the priority of a port. Interface Configuration
spanning-tree mst cost Configures the path cost for multiple Spanning Tree
(MST) calculations.
Interface Configuration
spanning-tree mst
configuration
Enables configuring an MST region by entering the
Multiple Spanning Tree (MST) mode.
Global Configuration
instance (mst) Maps VLANs to the MST instance. MST Configuration
name (mst) Defines the configuration name. MST Configuration
revision (mst) Defines the configuration revision number. MST Configuration
show (mst) Displays the current or pending MST region
configuration.
MST Configuration
exit (mst) Exits the MST region configuration mode and
applies all configuration changes.
MST Configuration
abort (mst) Exits the MST region configuration mode without
applying configuration changes.
MST Configuration
show spanning-tree Displays Spanning Tree configuration. Privileged EXEC
spanning-tree guard
root
Enables root guard on all the Spanning Tree
instances in the interface.
Interface Configuration
book.book Page 52 Thursday, December 18, 2008 7:40 PM