Command Line Interface Guide

Spanning Tree Commands 751
show spanning-tree summary
Use the show spanning-tree summary command to display spanning tree
settings and parameters for the switch.
Syntax
show spanning-tree summary
Default Configuration
There is no default configuration for this command.
Command Mode
Privileged EXEC mode, Config mode and all Config sub-modes
User Guidelines
The following fields are displayed:
Field Description
Spanning Tree Admin
Mode
Enabled or disabled
Spanning Tree Version Version of 802.1 currently supported (IEEE 802.1s,
IEEE 802.1w, or IEEE 802.1d) based upon the mode
parameter.
BPDU Protection Mode Enabled or disabled.
BPDU Filter Mode Enabled or disabled.
BPDU Flooding Mode Enabled or disabled.
Configuration Name Identifier used to identify the configuration currently
being used.
Configuration Revision
Level
Identifier used to identify the configuration currently
being used.
Configuration Digest Key A generated Key used in the exchange of the BPDUs.
Configuration Format
Selector
Specifies the version of the configuration format being
used in the exchange of BPDUs. The default value is
zero.
2CSPC4.X8100-SWUM100.book Page 751 Wednesday, August 29, 2012 6:23 PM