Associated FIDs—List of forwarding database identifiers associated with this instance.
Associated VLANs—List of VLAN IDs associated with this instance.
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 summary
Syntax
Mode
Privileged Exec and User Exec
Spanning Tree Adminmode—Enabled or disabled.
Report Fields
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
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—Identifier used to identify the configuration currently being used.
MST Instances—List of all multiple spanning tree instances configured on the switch
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.
show spanning-tree vlan vlanid
Syntax
Mode
Privileged Exec and User Exec
VLAN Identifier—The VLANs associated with the selected MST instance.
Report Fields
Associated Instance—Identifier for the associated multiple spanning tree instance or "CST" if associated
with the common and internal spanning tree
spanning-tree
This command sets the spanning-tree operational mode to enabled.
The no version of this command sets the spanning-tree operational mode to disabled. While disabled,
the spanning-tree configuration is retained and can be changed, but is not activated.
[no] spanning-tree
Syntax
Default
disabled
Spanning Tree (STP) Commands | 315