Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
spanning-tree loopguard default
Related Commands Command Description
show running-config Displays the current operating configuration. For syntax information,
select Cisco IOS Release 12.2 Configuration Guides and Command
References > Cisco IOS Configuration Fundamentals Command
Reference, Release 12.2 > File Management Commands >
Configuration File Management Commands.
spanning-tree guard loop Enables the loop guard feature on all the VLANs associated with the
specified interface.