Viewing RPVST+ information

Prerequisites

These commands are in the manager context, as indicated by the switch# prompt.

Procedure
To view various aspects of RPVST+ information, use the following commands. For command details and examples, click the links.

  • To view information on spanning-tree mode and the RPVST+ instances, use:

    show spanning-tree

  • To view information on spanning-tree mode and the RPVST+ instance of a specific VLAN, use:

    show spanning-tree vlan

  • To view a summary of the spanning-tree configurations related to a port, use:

    show spanning-tree summary port

  • To view a summary of the spanning-tree configurations, use:

    show spanning-tree summary root