Dell PowerConnect 3548 Command Line Interface Guide - Page 363

Command Mode Interface Configuration (Ethernet, port-channel) mode. User Guidelines There are no user guidelines for this command. Example The following example configures the spanning priority on Ethernet port 1/e15 to 96. Console(config)# interface ethernet 1/e15 Console(config-if)# spanning-tree port-priority 96 spanning-tree portfast The spanning-tree portfast Interface Configuration mode command enables PortFast mode. In PortFast mode, the interface is immediately put into the forwarding state upon linkup without waiting for the standard forward time delay. Use the no form of this command to disable PortFast mode. Syntax • spanning-tree portfast [auto] • no spanning-tree portfast • auto - Specifies that the software waits for 3 seconds (With no BPDUs received on the interface) before putting the interface into the PortFast mode. Default Configuration PortFast mode is disabled. Command Mode Interface Configuration (Ethernet, port-channel) mode. User Guidelines This feature should be used only with interfaces connected to end stations. Otherwise, an accidental topology loop could cause a data packet loop and disrupt device and network operations. Example The following example enables PortFast on Ethernet port 1/e15. Console(config)# interface ethernet 1/e15 Console(config-if)# spanning-tree portfast Spanning-Tree Commands 363