Users Guide

Layer 2 Switching Commands 803
Example
console#show spanning-tree summary
Spanning Tree Admin Mode.......... Enabled
Spanning Tree Version............. IEEE 802.1w
BPDU Guard Mode................... Disabled
BPDU Flood Mode................... Disabled
IndirectLink Rapid Convergence.... Disabled
DirectLink Rapid Convergence...... Disabled
BPDU Filter Mode.................. Disabled
Configuration Name................ 14-18-77-0C-9D-D8
Configuration Revision Level...... 0
Configuration Digest Key.......... 0xac36177f50283cd4b83821d8ab26de62
Spanning Tree Admin
Mode
Enabled or disabled
Spanning Tree Version Version of 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.
IndirectLink Rapid
Convergence
Backbone-fast for RSTP-PV is enabled or disabled.
DirectLink Rapid
Convergence
Enables/Disables DRC by setting switch priority to
49152.
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.
MST Instances List of all multiple spanning tree instances configured
on the switch.