Troubleshooting an RPVST+ configuration
This section describes the show spanning tree commands you can use to monitor, troubleshoot, and debug the operation of a per-VLAN spanning tree configuration in your network.
NOTE:
The
show spanning-tree
commands described in this section allow you to troubleshoot RPVST+ activity in your network by focusing on increasingly specific levels of operation. For example, you can display debug information for:
-
All VLANs
-
All ports of one VLAN
-
A specific port or several ports used in one VLAN