Dell PowerEdge M520 Dell Converged Enhanced Ethernet Command Reference - Page 211

spanning-tree shutdown 11 spanning-tree shutdown Enables or disables spanning tree on the interface. Synopsis spanning-tree shutdown no spanning-tree shutdown Operands none Defaults Spanning tree is not enabled. Command Interface configuration mode Modes Description Use this command to disable spanning tree on the interface or VLAN. Use the no spanning-tree shutdown command to enable spanning tree on the interface or VLAN. Once all of the interface ports have been configured for a VLAN, you can enable spanning tree protocol (STP) for all members of the VLAN with a single command. Whichever protocol is currently selected is used by the VLAN. Only one type of STP can be active at a time. A physical interface port can be a member of multiple VLANs. For example, a physical port can be a member of VLAN 1002 and VLAN 55 simultaneously. In addition, VLAN 1002 can have STP enabled and VLAN 55 can have STP disabled simultaneously. Usage There are no usage guidelines for this command. Guidelines Examples To disable spanning tree on a specific interface: switch(config)#interface intengigabitethernet 0/1 switch(conf-if-te-0/1)#spanning-tree shutdown To enable spanning tree on VLAN 1002: switch(config)#interface vlan 1002 switch(conf-if-vl-1002)#no spanning-tree shutdown See Also protocol spanning-tree Dell Converged Enhanced Ethernet Command Reference 195 53-1002115-01