Configuration Guide
260
Configuring Spanning Tree
Configuration Example for MSTP
Local bridge is the root bridge
Designated Bridge
Priority : 0
Address : 00-0a-eb-13-12-ba
Local Bridge
Priority : 0
Address : 00-0a-eb-13-12-ba
Interface Prio Cost Role Status
---------- ---- -------- ------- --------
Gi1/0/1 128 200000 Desg Fwd
Gi1/0/2 128 200000 Desg Fwd
Verify the configurations of Switch B in instance 2:
Switch(config)#show spanning-tree mst instance 2
MST-Instance 2
Root Bridge
Priority : 0
Address : 3c-46-d8-9d-88-f7
Internal Cost : 400000
Root Port : 2
Designated Bridge
Priority : 0
Address : 3c-46-d8-9d-88-f7
Local Bridge
Priority : 32768
Address : 00-0a-eb-13-12-ba
Interface Prio Cost Role Status
--------- ---- -------- ------- -------
Gi1/0/1 128 200000 Altn Blk
Gi1/0/2 128 200000 Root Fwd