Allied Telesis AT-DC2552XS - Manual (Page 352)

Chapter 14: STP Commands
352 Section II: Layer 2 Switching
SHOW SPANNING-TREE MST
Syntax
show spanning-tree mst
Parameters
None
Mode
Privileged Executive Mode
Description
Use this command to display information about CIST (instance: 0) and
associations between MST instances and VLANs.
Note
This command is available only when MSTP is enabled.
See Figure 60 for an example of the command output.
Figure 60. SHOW SPANNING-TREE MST Command
% Default: Bridge up - Spanning Tree Enabled
% Default: CIST Root Path Cost 0 - CIST Root Port 0 - CIST Bridge Priority 32768
%
Default: Forward Delay 15 - Hello Time 2 - Max Age 20 - Max-hops 0
% Default: CIST Root Id 800000147000000
% Default: CIST Reg Root ID 8000001477000000
% Default: CIST Bridge Id 8000001477000000
% Default: CIST 5 topology change(s) - last topology change Sat Sep 29
11:04:29:2021
%
% Default: portfast bpdu-guard disabled
% Default: portfast errdisable timeout disabled
% Default: portfast errdisable timeout interval 300 sec
%
% Instance
VLAN
% 0 : 1
% 1 : 2