Configuring and managing spanning tree protocol 459
Nortel WLAN—Security Switch 2300 Series Configuration Guide

Displaying blocked STP ports

To display information about ports that are in the STP blocking state, use the following command:
show spantree blockedports [vlan vlan-id]
To display information about blocked ports on a WSS for the default VLAN (VLAN 1), type the following
command:
WSS# show spantree blockedports vlan default
Port Vlan Port-State Cost Prio Portfast
------------------------------------------------------------------------
22 190 Blocking 4 128 Disabled
Number of blocked ports (segments) in VLAN 1 : 1
(For information about the fields in the output, see the Nortel WLAN Security Switch 2300 Series Command
Line Reference.)