C613-50055-01 REV A Command Reference for x230 Series Edge Switches 429
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
SPANNING TREE COMMANDS
SHOW
SPANNING-TREE MST INSTANCE
show spanning-tree mst instance
Overview This command displays detailed information for the specified instance, and all
switch ports associated with that instance.
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.
For information on filtering and saving command output, see “Controlling “show”
Command Output” in the “Getting Started with AlliedWare Plus” Feature Overview
and Configuration Guide.
Syntax
show spanning-tree mst instance <instance>
Mode User Exec, Privileged Exec, and Interface Configuration
Usage To display detailed information for instance 2, and all switch ports associated with
that instance, use the command:
awplus# show spanning-tree mst instance 2
Output Figure 12-9: Example output from the show spanning-tree mst instance
command
Parameter Description
<instance> Specify an MSTP instance in the range <1-15>.
% 1: MSTI Root Path Cost 0 - MSTI Root Port 0 - MSTI Bridge Priority 32768
% 1: MSTI Root Id 80020000cd24ff2d
% 1: MSTI Bridge Id 80020000cd24ff2d
% port1.0.2: Port 5002 - Id 838a - Role Disabled - State Discarding
% port1.0.2: Designated Internal Path Cost 0 - Designated Port Id 838a
% port1.0.2: Configured Internal Path Cost 20000000
% port1.0.2: Configured CST External Path cost 20000000
% port1.0.2: CST Priority 128 - MSTI Priority 128
% port1.0.2: Designated Root 80020000cd24ff2d
% port1.0.2: Designated Bridge 80020000cd24ff2d
% port1.0.2: Message Age 0 - Max Age 0
% port1.0.2: Hello Time 2 - Forward Delay 15
% port1.0.2: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0
%
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