Spanning Tree Commands 741Exampleconsole#show spanning-tree summarySpanning Tree Adminmode........... EnabledSpanning Tree Version............. IEEE 802.1wBPDU Guard Mode................... DisabledBPDU Flood Mode................... DisabledBPDU Filter Mode.................. DisabledConfiguration Name................ 00-1E-C9-AA-AC-84Configuration Revision Level...... 0Configuration Digest Key.......... 0xac36177f50283cd4b83821d8ab26de62Configuration Format Selector..... 0show spanning-tree vlanUse the show spanning-tree vlan command to display spanning treeinformation per VLAN and also list out the port roles and states as well asport cost.Syntaxshow spanning-tree vlanvlan-list• vlan-list — A list of VLANs or VLAN ranges separated by commas andwith no embedded blank spaces. VLAN ranges are of the form X-Y where Xand Y are valid VLAN identifiers and X < Y.Default ConfigurationThere is no default configuration for this command.Command ModesPrivileged EXEC and aboveUser GuidelinesThere are no user guidelines for this command.Exampleconsole(config-vlan)#show spanning-tree vlan 1-3MST Instances List of all multiple spanning tree instances configuredon the switch.
