Cisco Catalyst 3750 Command Reference Manual page 793

Appendix B Catalyst 3750 Switch Debug Commands
For debug udld packets, these debugging messages appear:
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For debug udld registries, these categories of debugging messages appear:
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Related Commands Command
show debugging
show udld
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General packet processing program flow on receipt of an incoming packet
Indications of the contents of the various pieces of packets received (such as type length versions
[TLVs]) as they are examined by the packet reception code
Packet transmission attempts and the outcome
Sub-block creation
Fiber-port status changes
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.
Catalyst 3750 Switch Command Reference
debug udld
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