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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
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Chapter 3 Message and Recovery Procedures
UDLD Messages
Error Message UDLD-3-UDLD_IDB_ERROR: UDLD error handling [chars] interface [chars].
Explanation A software error occurred in UDLD processing associated with a specific interface. The
first [chars] is the event, and the second [chars] is the interface.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the error by using the Output Interpreter. Enter the show
tech-support user EXEC command to gather data that might help identify the nature of the error.
Use the Bug Toolkit to look for similar reported problems. If you still require assistance, open a case
with the TAC, or contact your Cisco technical support representative, and provide the representative
with the gathered information. For more information about these online tools and about contacting
Cisco, see the
“Error Message Traceback Reports” section on page 2-7.
Error Message UDLD-3-UDLD_INTERNAL_ERROR: UDLD internal error [chars].
Explanation A software check failed during UDLD processing. [chars] is a description of the internal
error.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the error by using the Output Interpreter. Enter the show
tech-support user EXEC command to gather data that might help identify the nature of the error.
Use the Bug Toolkit to look for similar reported problems. If you still require assistance, open a case
with the TAC, or contact your Cisco technical support representative, and provide the representative
with the gathered information. For more information about these online tools and about contacting
Cisco, see the
“Error Message Traceback Reports” section on page 2-7.
Error Message UDLD-3-UDLD_INTERNAL_IF_ERROR: UDLD internal error, interface [chars]
[chars].
Explanation A software check failed during UDLD processing. The first [chars] is the interface, and
the second [chars] is a description of the error.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the error by using the Output Interpreter. Enter the show
tech-support user EXEC command to gather data that might help identify the nature of the error.
Use the Bug Toolkit to look for similar reported problems. If you still require assistance, open a case
with the TAC, or contact your Cisco technical support representative, and provide the representative
with the gathered information. For more information about these online tools and about contacting
Cisco, see the
“Error Message Traceback Reports” section on page 2-7.
Error Message UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface [chars], [chars]
detected.
Explanation The UDLD Protocol disabled an interface because it detected connections between
neighbors that were functioning only in one direction, which might potentially cause spanning-tree
loops or interfere with connectivity. The cause is likely to be hardware related, either due to a bad
port, a bad cable, or a misconfigured cable. The first [chars] is the interface, and the second [chars]
is the error detected.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the error by using the Output Interpreter. Enter the show
tech-support user EXEC command to gather data that might help identify the nature of the error.
