C613-50100-01 REV C Command Reference for x930 Series 584
AlliedWare Plus™ Operating System - Version 5.4.6-1.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 the “Getting Started
with AlliedWare Plus” Feature Overview and Configuration Guide.
Syntax
show spanning-tree mst instance <instance-id>
Mode User Exec, Privileged Exec, and Interface Configuration
Example 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 16-9: Example output from show spanning-tree mst instance
Parameter Description
<instance-id> 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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