C613-50057-01 REV A
Command Reference for AT-IX5-28GPX High Availability, High Power Video Surveillance PoE Switch
487
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
S
PANNING
T
REE
C
OMMANDS
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
%