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Command Reference for AT-IX5-28GPX High Availability, High Power Video Surveillance PoE Switch
C613-50057-01 REV A
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
S
PANNING
T
REE
C
OMMANDS
SHOW
SPANNING
-
TREE
MST
INSTANCE
INTERFACE
show spanning-tree mst instance interface
Overview
This command displays detailed information for the specified MST (Multiple
Spanning Tree) instance, and the specified switch port associated with that MST
instance.
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
> interface <
port
>
Mode
User Exec, Privileged Exec, and Interface Configuration
Example
To display detailed information for
instance 2
, interface
port1.0.2
, use the
command:
awplus#
show spanning-tree mst instance 2 interface port1.0.2
Output
Figure 12-10: Example output from the
show spanning-tree mst instance
command
Parameter
Description
<
instance
>
Specify an MSTP instance in the range <1-15>.
<
port
>
The port to display information about. The port may be a switch port
(e.g.
port1.0.4
), a static channel group (e.g.
sa2
), or a dynamic
(LACP) channel group (e.g.
po2
).
% 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
%