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Cisco ME 3400 Ethernet Access Switch Command Reference
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Chapter 2 Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands
spanning-tree portfast (interface configuration)
If you configure the spanning-tree portfast default global configuration command, you can disable
Port Fast on an STP port that is not a trunk interface by using the spanning-tree portfast disable
interface configuration command.
Examples This example shows how to enable the Port Fast feature on a port:
Switch(config)# interface gigabitethernet0/2
Switch(config-if)# spanning-tree portfast
You can verify your settings by entering the show running-config privileged EXEC command.
Related Commands Command Description
show running-config Displays the operating configuration.
spanning-tree bpdufilter Prevents an interface from sending or receiving bridge protocol data
units (BPDUs).
spanning-tree bpduguard Puts an interface in the error-disabled state when it receives a
BPDU.
spanning-tree portfast (global
configuration)
Globally enables the BPDU filtering or the BPDU guard feature on
Port Fast-enabled STP ports or enables the Port Fast feature on all
nontrunking STP ports.
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