Displaying status for a specific port list
Syntax:
show spanning-tree <port-list>
Displays the spanning tree status for the designated ports. You can list data for a series of ports and port trunks by specifying the first and last port or trunk of any consecutive series of ports and trunks. For example, to display data for port 20-24 and trk1, you would use this command:
show spanning-tree 20-42,trk1
Displaying status for a specific port list
switch# show spanning-tree 22 Spanning Tree Information STP Enabled [No] : Yes Mode : RPVST RPVST Enabled VLANs : 10,20 Switch MAC Address : 0024a8-d13a40 Port : 22 Status : Up Port Type : 100/1000T BPDU Protection : No BPDU Filtering : No Root Guard : No TCN Guard : No Loop Guard : No Admin Edge Port : No Admin PointToPoint MAC : Yes VLAN Port Port Port Designated Hello Oper Oper ID Path-Cost Priority State Bridge Time Edge PtP ------ ---------- --------- ---------- ------------- ----- ----- ------ 20 20000 128 Forwarding 0024a8-d13a40 2 No Yes 25 200000 128 Forwarding 002347-587b80 2 Yes Yes