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
Task ID
OperationsTask ID
readinterface
Examples
The following example shows the output from the show spanning-tree mst command, which displays details
on the MSTIs :
RP/0/RSP0/CPU0:router# show spanning-tree mst M topology-change flushes instance$
MSTI 1:
Interface Last TC Reason Count
------------ -------------------- -------------------------------- -----
Te0/0/0/1 04:16:05 Mar 16 2010 Role change: DSGN to ---- 10
#
#
RP/0/RSP0/CPU0:router# show spanning-tree mst M topology-change flushes instance$
MSTI 0 (CIST):
Interface Last TC Reason Count
------------ -------------------- -------------------------------- -----
Te0/0/0/1 04:16:05 Mar 16 2010 Role change: DSGN to ---- 10
#
#
Related Commands
DescriptionCommand
Enables debugging for sent and received MSTP packets.debug spanning-tree mst packet, on page 479
Enables debugging protocol-state changes such as port role
or state changes, topology change notification.
debug spanning-tree mst protocol-state, on
page 481
Displays the internal MSTI number and number of ports for
each VLAN.
show l2vpn mstp port, on page 585
Displays the Multiple Spanning Tree Protocol (MSTP) state
for the virtual local area network (VLAN) on a given interface.
show l2vpn mstp vlan, on page 587
Displays the multiple spanning tree protocol status
information.
show spanning-tree mst, on page 589
Displays the contents of MSTP BPDUs being sent and
received on a particular interface.
show spanning-tree mst bpdu interface, on
page 592
Displays the VLAN ID to MSTI mapping table.show spanning-tree mst configuration, on page
594
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
602
Multiple Spanning Tree Protocol Commands
show spanning-tree mst topology-change flushes
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