740 Spanning Tree Commands
Command Mode
Privileged EXEC mode
User Guidelines
The following fields are displayed:
Example
console#show spanning-tree summary
Spanning Tree Adminmode........... Enabled
Spanning Tree Version............. IEEE 802.1w
BPDU Guard Mode................... Disabled
BPDU Flood Mode................... Disabled
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.
MST Instances List of all multiple spanning tree instances configured
on the switch.
2CSPC4.XCT-SWUM2XX1.book Page 740 Monday, October 3, 2011 11:05 AM