21-20
Cisco IE 2000 Switch Software Configuration Guide
OL-25866-01
Chapter 21 Configuring MSTP
Monitoring and Maintaining MSTP
Monitoring and Maintaining MSTP Configuration Examples for Configuring MSTP

Configuring the MST Region: Example

This example shows how to enter MST configuration mode, map VLANs 10 to 20 to MST instance 1,
name the region region1, set the configuration revision to 1, display the pending configuration, apply the
changes, and return to global configuration mode:
Switch(config)# spanning-tree mst configuration
Switch(config-mst)# instance 1 vlan 10-20
Switch(config-mst)# name region1
Switch(config-mst)# revision 1
Switch(config-mst)# show pending
Pending MST configuration
Name [region1]
Revision 1
Instance Vlans Mapped
-------- ---------------------
0 1-9,21-4096
1 10-20
-------------------------------
Switch(config-mst)# exit
Switch(config)#
Command Purpose
show spanning-tree mst configuration Displays the MST region configuration.
show spanning-tree mst configuration digest Displays the MD5 digest included in the current MSTCI.
show spanning-tree mst instance-id Displays MST information for the specified instance.
show spanning-tree mst interface interface-id Displays MST information for the specified interface.
clear spanning-tree detected-protocols Restarts the protocol migration process (forces the
renegotiation with neighboring switches) on the switch,
clear spanning-tree detected-protocols interface
interface-id
Restarts the protocol migration process on a specific interface.
show running-config Verifies your entries.
copy running-config startup-config Saves your entries in the configuration file.