DELL PC6224F User Manual

Spanning Tree Commands

Global Configuration mode

The priority value must be a multiple of 4096.
The switch with the lowest priority is selected as the root of the spanning tree.

The following example configures the spanning tree priority of instance 1 to 

4096.

console(config)#spanning-tree mst 1 priority 4096

Use the spanning-tree portfast command in Interface Configuration mode to 

enable PortFast mode. In PortFast mode, the interface is immediately put 

into the forwarding state upon linkup, without waiting for the timer to expire. 

To disable PortFast mode, use the no form of this command.

PortFast mode is disabled.

Interface Configuration (Ethernet, Port-Channel) mode

This command only applies to all ports. The command is to be used only with 

interfaces connected to end stations. Otherwise, an accidental topology loop 

could cause a data packet loop and disrupt switch and network operations.