Appendix C
Catalyst 2950 and 2955 Switch Debug Commands
For debug udld registries, these categories of debugging messages appear:
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•
•
•
Related Commands
Command
show debugging
show udld
OL-10102-01
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 Configuration Fundamentals
Command Reference for IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
Displays UDLD administrative and operational status for all ports or the
specified port.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
debug udld
C-29