Cisco 7604

20-35
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 20 Configuring STP and Prestandard IEEE 802.1s MST
Configuring Prestandard IEEE 802.1s MST
-------- ---------------------------------------------------------------------
0 1-4094
-------------------------------------------------------------------------------
Router(config-mst)# name cisco
Router(config-mst)# revision 2
Router(config-mst)# instance 1 vlan 1
Router(config-mst)# instance 2 vlan 1-1000
Router(config-mst)# show pending
Pending MST configuration
Name [cisco]
Revision 2
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1001-4094
2 1-1000
-------------------------------------------------------------------------------
Router(config-mst)# no instance 2
Router(config-mst)# show pending
Pending MST configuration
Name [cisco]
Revision 2
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1-4094
-------------------------------------------------------------------------------
Router(config-mst)# instance 1 vlan 2000-3000
Router(config-mst)# no instance 1 vlan 2500
Router(config-mst)# show pending
Pending MST configuration
Name [cisco]
Revision 2
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1-1999,2500,3001-4094
1 2000-2499,2501-3000
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Router(config)# exit
Router(config)# no spanning-tree mst configuration
Router(config)# do show spanning-tree mst configuration
Name []
Revision 0
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1-4094
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Displaying MST Configurations
To display MST configurations, perform these tasks in MST mode:
Command Purpose
Step 1
Router# show spanning-tree mst configuration
Displays the active configuration.
Step 2
Router# show spanning-tree mst [detail]
Displays information about the MST instances currently
running.
Step 3
Router# show spanning-tree mst instance-id
[
detail ]
Displays information about a specific MST instance.
Step 4
Router# show spanning-tree mst interface
interface name [ detail ]
Displays information for a given port.