Cisco Catalyst 3550 Command Reference Manual page 433

Chapter 2 Cisco IOS Commands
Examples
This example shows how to enable the BPDU filtering feature on a port:
Switch(config)# interface fastethernet0/1
Switch(config-if)# spanning-tree bpdufilter enable
You can verify your setting by entering the show running-config privileged EXEC command.
Related Commands Command
show running-config
spanning-tree portfast (global
configuration)
spanning-tree portfast (interface
configuration)
78-11195-09
Description
Displays the current operating configuration. For syntax
information, select Cisco IOS Configuration Fundamentals
Command Reference for Release 12.1 > Cisco IOS File
Management Commands > Configuration File Commands.
Globally enables the BPDU filtering or the BPDU guard feature
on Port Fast-enabled ports or enables the Port Fast feature on all
nontrunking ports.
Enables the Port Fast feature on an interface and all its associated
VLANs.
Catalyst 3550 Multilayer Switch Command Reference
spanning-tree bpdufilter
2-407