Managed Switch CLI Manual, Release 8.0.3
Switching Commands 3-30
v1.0, July 2010
show spanning-tree summary
This command displays spanning tree settings and parameters for the switch. The following details
are displayed on execution of the command.
show spanning-tree vlan
This command displays the association between a VLAN and a multiple spanning tree instance.
The <vlanid> corresponds to an existing VLAN ID.
Format show spanning-tree summary
Mode • Privileged EXEC
• User EXEC
Term Definition
Spanning Tree
Adminmode
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 Force Protocol Version parameter.
BPDU Guard
Mode
Enabled or disabled.
BPDU Filter
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.
Format show spanning-tree vlan <vlanid>
Mode • Privileged EXEC
• User EXEC
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