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Spanning Tree Commands
spanning-tree portfast
SPS208G/SPS224G4/SPS2024 Command Line Interface Reference Guide 374
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Example
The following example configures the spanning priority on Ethernet port e15 to 96.
Console(config)# interface ethernet 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
Parameters
•
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 enabled.
Command Modes
Interface Configuration (Ethernet, port-channel) mode