Layer 2 Switching Commands 762console(config)#spanning-tree portfast bpdufilter defaultspanning-tree portfast defaultUse the spanning-tree portfast default command to enable portfast mode onaccess ports. Interfaces configured as access mode ports are considered to beedge ports. Use the no form of this command to disable portfast mode on allports.Syntaxspanning-tree portfast defaultno spanning-tree portfast defaultDefault ConfigurationPortfast mode is disabled by default.Command ModeGlobal Configuration modeUser GuidelinesThis command only affects access ports.NOTE: This command should be used with care. An interface withportfast mode enabled is moved directly to the spanning tree forwarding statewhen linkup occurs without waiting for the standard forward-time delay.Setting a port connected to another switch into portfast mode may cause anaccidental topology loop and disrupt switch and network operations.ExampleThe following example enables portfast mode on all access ports.console(config)#spanning-tree portfast default
