Cisco Systems 6500, EA6500 15-35, These examples show how to enable MST:, configuration mode., MST configuration submode, Enters the MST configuration., instance., (Optional) Unmaps a VLAN from an instance.

15-35
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
78-14099-04
Chapter 15 Configuring STP and IEEE 802.1s MST
Configuring IEEE 802.1s MST
These examples show how to enable MST:
Router# show spanning-tree mst configuration
% Switch is not in mst mode
Name []
Revision 0
Instance Vlans mapped
-------- ---------------------------------------------------------------------
0 1-4094
-------------------------------------------------------------------------------
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)# spanning-tree mode mst
Router(config)# spanning-tree mst configuration
Router(config-mst)# show current
Current MST configuration
Name []
Revision 0
Instance Vlans mapped
-------- ---------------------------------------------------------------------
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
-------------------------------------------------------------------------------
Step 4 Router(config-mst)# show current Displays the current MST configuration from within the
MST configuration submode
Step 5 Router(config-mst)# name name revision
revision_number instance instance_number vlan
vlan_range
Enters the MST configuration.
Step 6 Router(config-mst)# no instance instance_number (Optional) Unmaps all VLANs that were mapped to an
instance.
Step 7 Router(config-mst)# no instance instance_number
vlan vlan_number
(Optional) Unmaps a VLAN from an instance.
Step 8 Router(config-mst)# end Applies the configuration and exit configuration mode.
Step 9 Router# show spanning-tree mst config Shows the MST configuration from the global
configuration mode.
Command Purpose