Cisco ASR 9000 Series Reference Guide

show spanning-tree mstag topology-change flushes
To display details of the last topology change that occurred for each pair of port and instance, as well as a
count of the number of topology changes at each port, use the show spanning-tree mstag topology-change
flushes command in the EXEC mode.
The latest filter displays only the most recent topology change for each instance. The output also displays
information of the flush operation that takes place when the flush containment is active on an MSTI for
a port.
Note
show spanning-tree mstag protocol instance identifier topology-change flushes [instance id] [interface
type interface-path-id| latest]
Syntax Description
String of a maximum of 25 characters that identifies the protocol instance.
protocol instance identifier
Displays topology change information.topology-change
Displays latest topology change flushes for each interface.flushes
Forward interface in rack/slot/instance/port format.
instanceid
Interface type. For more information, use the question mark (?) online help
function.
interface type
Physical interface or virtual interface.
Use the show interfaces command to see a list of all interfaces
currently configured on the router.
Note
For more information about the syntax for the router, use the question mark
(?) online help function.
interface-path-id
Displays the most recent topology change for each instance.latest
Command Default
None
Command Modes
EXEC
Command History
ModificationRelease
This command was introduced.Release 3.7.1
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
608
Multiple Spanning Tree Protocol Commands
show spanning-tree mstag topology-change flushes

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model