Cisco Asr 9000 Series Aggregation Services Router Vpn And Ethernet Services Command Reference, Release - Cisco ASR 9000 Series Reference Manual

Multiple Spanning Tree Protocol Commands
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Task ID
Task ID
interface
Examples
The following example shows the output from the show spanning-tree mstag topology-change flushes
command, which displays details on the MSTIs :
RP/0/RSP0/CPU0:router# show spanning-tree mstag b topology-change flushes
MSTAG Protocol Instance b
Interface
------------
Gi0/0/0/1
Gi0/0/0/2
Related Commands
Command
debug spanning-tree mstag packet, on page 483
show spanning-tree mstag, on page 604
show spanning-tree mstag bpdu interface, on page
606
spanning-tree mstag, on page 625
Last TC
-------------------
18:03:24 2009-07-14
21:05:04 2009-07-15

Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release

show spanning-tree mstag topology-change flushes
Operations
read
Reason
-------------------------------- -----
Gi0/0/0/1.10 egress TCN
Gi0/0/0/2.1234567890 ingress TCN
Description
Enables MSTAG packet debugging.
Displays the values currently used for populating the
BPDUs sent by all ports.
Displays the content of the BPDUs being sent from this
interface.
Enters the MST Access Gateway configuration submode.
Count
65535
2
6.1.x
609