show spanning-tree mst detail

Description

Displays detailed multiple spanning tree instance information.

Command context

Operator (>) or Manager (#)

Parameters

[vsx-peer]

Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed.

Authority

Operators or Administrators. Users without administrator authority can execute this command from the operator context (>) only.

Examples

switch# show spanning-tree mst detail
#### MST0
Vlans mapped:  2,4-4094
Bridge         Address:48:0f:cf:af:04:76    priority:32768
Root
Regional Root
Operational    Hello time(in seconds): 2  Forward delay(in seconds):15  Max-age(in seconds):20  txHoldCount(in pps): 6
Configured     Hello time(in seconds): 2  Forward delay(in seconds):15  Max-age(in seconds):20  Max-Hops:20
Root           Address:48:0f:cf:af:04:76  Priority:32768
               Port:0                     Path cost:0
Regional Root  Address:48:0f:cf:af:04:76  Priority:32768
               Internal cost:0            Rem Hops:20

Port           Role           State        Cost       Priority   Type
-------------- -------------- ------------ ---------- ---------- ----------
1/1/1          Designated     Forwarding   20000      128        point_to_point
1/1/2          Designated     Forwarding   20000      128        point_to_point

Port 1/1/1
Designated root address            : 48:0f:cf:af:04:76
Designated regional root address   : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:3
Bpdus sent 638, received 9

Port 1/1/2
Designated root address            : 48:0f:cf:af:04:76
Designated regional root address   : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:3
Bpdus sent 641, received 11


#### MST1
Vlans mapped:  1
Bridge         Address:48:0f:cf:af:04:76    Priority:32768
Root           Address:48:0f:cf:af:04:76    Priority:32768
               Port:0, Cost:0, Rem Hops:20

Port           Role           State        Cost    Priority   Type
-------------- -------------- ------------ ------- ---------- ----------
1/1/1          Designated     Forwarding   20000   128        point_to_point
1/1/2          Designated     Forwarding   20000   128        point_to_point

Port 1/1/1
Designated root address            : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:4
Bpdus sent 638, received 9

Port 1/1/2
Designated root address            : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:4
Bpdus sent 641, received 11


#### MST2
Vlans mapped:  3
Bridge         Address:48:0f:cf:af:04:76    Priority:32768
Root           Address:48:0f:cf:af:04:76    Priority:32768
               Port:0, Cost:0, Rem Hops:20

Port           Role           State        Cost    Priority   Type
-------------- -------------- ------------ ------- ---------- ----------
1/1/1          Designated     Forwarding   20000   128        point_to_point
1/1/2          Designated     Forwarding   20000   128        point_to_point

Port 1/1/1
Designated root address            : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:3
Bpdus sent 638, received 9

Port 1/1/2
Designated root address            : 48:0f:cf:af:04:76
Designated bridge address          : 48:0f:cf:af:04:76  Priority : 32768
Timers:    Message expires in 1 sec, Forward delay expiry:18, Forward transitions:3
Bpdus sent 641, received 11