Cisco Catalyst 3550 Command Reference Manual page 774

debug udld
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Related Commands Command
show debugging
show udld
Catalyst 3550 Multilayer Switch Command Reference
B-54
State change indications from the port manager software
MAC address registry calls
Description
Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Release 12.2 Configuration Guides
and Command References > Cisco IOS Configuration Fundamentals
Configuration Guide, Release 12.2 > System Management >
Troubleshooting and Fault Management.
Displays UDLD administrative and operational status for all ports or the
specified port.
Appendix B Catalyst 3550 Switch Debug Commands
OL-8566-02