Viewing status for a specific MST instance
The following commands display the MSTP statistics for a specified MST instance.
Syntax:
show spanning-tree instance [ist | 1..16]
Displays the MSTP statistics for either the IST instance or a numbered MST instance running on the switch.
Syntax:
show spanning-tree instance [ist | 1..16] detail
Displays status on all active ports for a specific instance of MSTP.
Syntax:
show spanning-tree port-list instance [ist | 1..16] detail
Displays status on specified ports for a specific
instance of MSTP.
Viewing status for a specific instance of an MSTP
This shows how to display detailed status for all active ports for a specific instance of MSTP.
switch(config)# show spanning-tree instance 11 MST Instance Information Instance ID : 11 Mapped VLANs : 111,300 Switch Priority : 32768 Topology Change Count : 2 Time Since Last Change : 4 mins Regional Root MAC Address : 1cc1de-cfbc80 Regional Root Priority : 32768 Regional Root Path Cost : 400000 Regional Root Port : This switch is root Remaining Hops : 20 Designated Port Type Cost Priority Role State Bridge ----- --------- --------- -------- ---------- ---------- ------------- 1 10/100TX 200000 128 Root Forwarding 1cc1de-cfbc80 2 10/100TX 200000 128 Designated Forwarding 1cc1de-02a700 3 10/100TX Auto 112 Designated Forwarding 1cc1de-02a700 4 10/100TX Auto 128 Disabled Disabled . . . . . .