HP BladeSystem bc2000 Command Line Interface Reference Guide HP BladeSystem PC - Page 306
spanning-tree portfast
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Spanning-Tree Commands 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. To disable PortFast mode, use the no form of this command. Syntax spanning-tree portfast [auto] no spanning-tree portfast Parameters n auto - Specifies that the software waits for 3 seconds (with no BPDUs received on the interface) before putting the interface into PortFast mode. Default Setting PortFast mode is disabled. Command Modes Interface Configuration (Ethernet, port-channel) mode Command Usage 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. An interface with PortFast mode enabled is moved directly to the spanning tree forwarding state when linkup occurs without waiting the standard forward-time delay. Example The following command enables PortFast on Ethernet port e42. Console(config)# interface ethernet e42 Console(config-if)# spanning-tree portfast 22-10 www.hp.com HP PC Blade Switch CLI Reference Guide