C613-50170-01 Rev B
Command Reference for x510 Series
648
AlliedWare Plus™ Operating System - Version 5.4.7-1.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
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
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 17-9:
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
%