Dell PowerEdge M520 Dell Converged Enhanced Ethernet Command Reference - Page 186

11 protocol spanning-tree protocol spanning-tree Synopsis protocol spanning-tree [mstp | rstp | stp] no protocol spanning-tree Operands mstp rstp stp Specifies the Multiple Spanning Tree Protocol (MSTP). Specifies the Rapid Spanning Tree (RSTP). Specifies the Spanning Tree Protocol (STP). Defaults By default, STP is not enabled. STP is not required in a loop-free topology. Command Global configuration mode Modes Description Use this command to create a context for the protocol specified. Use the no protocol spanning-tree command to delete the context and all the configurations defined within the context or protocol for the interface. Usage Guidelines Consider enabling STP to detect or avoid loops. You must turn off one form of STP before turning on another form. Packet drops or packet flooding may occur if you do not enable xSTP on all devices connected on both sides of parallel links. Examples To enable the Spanning Tree Protocol: switch(config)#protocol spanning-tree stp See Also show spanning-tree 170 Dell Converged Enhanced Ethernet Command Reference 53-1002115-01