Show Spanning-Tree Brief - Allied Telesis AT-AR3050S Command Reference Manual

S T C
PANNING REE OMMANDS
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SHOW SPANNING TREE BRIEF

show spanning-tree brief

Overview Use this command to display a summary of spanning tree status information on all
ports. Use this command for RSTP, MSTP or STP.
show spanning-tree brief
Syntax
Mode User Exec and Privileged Exec
Usage Note that any list of interfaces specified must not span any interfaces that are not
installed.
A topology change counter has been included for RSTP and MSTP. You can see the
topology change counter for RSTP by using the show spanning-tree command.
You can see the topology change counter for MSTP by using the show
spanning-tree mst instance command.
Example To display a summary of spanning tree status information, use the command:
awplus#
Output Figure 13-4: Example output from show spanning-tree brief
Default: Bridge up - Spanning Tree Enabled
Default: Root Path Cost 40000 - Root Port 4501 -
Default: Root Id 8000:0000cd250001
Default: Bridge Id 8000:0000cd296eb1

Port Designated Bridge
sa1 8000:001577c9744b
po1 8000:0000cd296eb1
port1.0.1 8000:0000cd296eb1
port1.0.2 8000:0000cd296eb1
port1.0.3 8000:0000cd296eb1
...
Related show spanning-tree
Commands
C613-50077-01 REV A
Parameter Description
brief
A brief summary of spanning tree information.
show spanning-tree brief
Command Reference for AT-AR3050S
AlliedWare Plus™ Operating System - Version 5.4.5-2.x
Bridge Priority 32768
Port Id Role
8195 Rootport
81f9 Designated
8389 Disabled
838a Disabled
838b Disabled
State
Forwarding
Forwarding
Discarding
Discarding
Discarding
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