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Cisco ME 3400E, ME 3400, and ME 2400 Ethernet Access Switch System Message Guide
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Chapter 2 Messages and Recovery Procedures
UDLD Messages
Error Message
UDLD-3-UDLD_INTERNAL_IF_ERROR: UDLD internal error, interface [chars]
[chars].
Explanation
This message means that 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 1-3
.
Error Message
UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface [chars], [chars]
detected.
Explanation
This message means that 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.
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 1-3
.
Error Message
UDLD-6-UDLD_PORT_RESET: UDLD reset interface [chars].
Explanation
This message means that the UDLD Protocol detected a unidirectional connection
between neighbors. Reset the port that was disabled by UDLD by using the
udld reset
privileged
EXEC command or through a hardware action such as a link-state change. [chars] is the interface.
Recommended Action
Find out more about the error by using the
show tech-support
privileged EXEC
command and by copying the error message exactly as it appears on the console or system log and
entering it in the Output Interpreter tool. Use the Bug Toolkit to look for similar reported problems. For
more information about these online tools and about contacting Cisco, see the
“Error Message
Traceback Reports” section on page 1-3
.