Bp Distance Tables Port To Port Pro V.2.011/28/2022 When the Forward Delay timer expires, the port enters the learning state. When the switch powers up, or when a device is connected to a port, the port enters the spanning tree listening state. If you enable PortFast on a port that is connected to another Layer 2 device, such as a switch, you might create network loops. You can use PortFast on switch or trunk ports that are connected to a single workstation, switch, or server to allow those devices to connect to the network immediately, instead of waiting for the port to transition from the listening and learning states to the forwarding state.Ĭaution You can use PortFast to connect a single end station or a switch port to a switch port. PortFast causes a switch or trunk port to enter the spanning tree forwarding state immediately, bypassing the listening and learning states. Configuring Loop Guard Understanding How PortFast Works.
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