User Guide
352
Configuring Spanning Tree
Configuration Example for MSTP
3) Configure the region name as 1, the revision number as 100; map VLAN101-VLAN103
to instance 1; map VLAN104-VLAN106 to instance 2; configure the priority of Switch C
in instance 2 as 0 to set it as the root bridge in instance 2:
Switch(config)#spanning-tree mst configuration
Switch(config-mst)#name 1
Switch(config-mst)#revision 100
Switch(config-mst)#instance 1 vlan 101-103
Switch(config-mst)#instance 2 vlan 104-106
Switch(config-mst)#exit
Switch(config)#spanning-tree mst instance 2 priority 0
Switch(config)#end
Switch#copy running-config startup-config
Verify the Configurations
■
Switch A
Verify the configurations of Switch A in instance 1:
Switch(config)#show spanning-tree mst instance 1
MST-Instance 1
Root Bridge
Priority : 0
Address : 00-0a-eb-13-12-ba
Internal Cost : 400000
Root Port : 1
Designated Bridge
Priority : 0
Address : 00-0a-eb-13-12-ba
Local Bridge
Priority : 32768
Address : 00-0a-eb-13-23-97
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