Cisco ASR 9000 Series

interface GigabitEthernet0/0/0/0.1
name m1
revision 10
external-cost 0
bridge-id 0.0.1
port-id 1
maximum age 40
provider-bridge
hello-time 1
instance 101
edge-mode
vlans-id 101-110
root-priority 0
root-id 0.0.0
cost 0
priority 0
port-priority 0
!
!
!
This example shows additional configuration for MSTAG Topology Change Propagation:
l2vpn
xconnect group example
p2p mstag-example
interface GigabitEthernet0/0/0/0.1
neighbor 123.123.123.1 pw-id 100
!
!
!
This example shows the output of show spanning-tree mstag:
# show spanning-tree mstag A
GigabitEthernet0/0/0/1
Preempt delay is disabled.
Name: 6161:6161:6161
Revision: 0
Max Age: 20
Provider Bridge: no
Bridge ID: 6161.6161.6161
Port ID: 1
External Cost: 0
Hello Time: 2
Active: no
BPDUs sent: 0
MSTI 0 (CIST):
VLAN IDs: 1-9,32-39,41-4094
Role: Designated
Bridge Priority: 32768
Port Priority: 128
Cost: 0
Root Bridge: 6161.6161.6161
Root Priority: 32768
Topology Changes: 123
MSTI 2
VLAN IDs: 10-31
Role: Designated
Bridge Priority: 32768
Port Priority: 128
Cost: 0
Root Bridge: 6161.6161.6161
Root Priority: 32768
Topology Changes: 123
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
456
Implementing Multiple Spanning Tree Protocol
Configuring MSTAG: Examples