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Catalyst Supervisor Engine 32 PISA Cisco IOS System Message Guide, Release 12.2ZY
OL-11469-02
Chapter 2 Messages and Recovery Procedures
L2_APPL Messages
Error Message %L2_AGING-2-SIG_INST_FAIL: [chars]: Failed to install signal handler
Explanation
A signal handler could not be installed for a process that involves Layer 2 aging.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the issue using the tools and utilities provided at
http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying
information. Search for resolved software issues using the Bug Toolkit at
http://tools.cisco.com/Support/BugToolKit/. If you still require assistance, open a case with the
Technical Assistance Center via the Internet at http://tools.cisco.com/ServiceRequestTool/create, or
contact your Cisco technical support representative and provide the representative with the
information you have gathered. Attach the following information to your case in nonzipped,
plain-text (.txt) format: the output of the show logging and show tech-support commands and your
pertinent troubleshooting logs.
L2_APPL Messages
This section contains Layer 2 application (L2_APPL) messages.
L2_APPL-0
Error Message %L2_APPL-0-TASK_SPAWN_FAIL: Failed to spawn task "[chars]"
Explanation
The specified initializing task failed.
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the issue using the tools and utilities provided at
http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying
information. Search for resolved software issues using the Bug Toolkit at
http://tools.cisco.com/Support/BugToolKit/. If you still require assistance, open a case with the
Technical Assistance Center via the Internet at http://tools.cisco.com/ServiceRequestTool/create, or
contact your Cisco technical support representative and provide the representative with the
information you have gathered. Attach the following information to your case in nonzipped,
plain-text (.txt) format: the output of the show logging and show tech-support commands and your
pertinent troubleshooting logs.
L2_APPL-4
Error Message %L2_APPL-4-MAC_MOVE: Host [enet] is flapping between port [chars] and
port [chars]
Explanation
A host is going up and down between ports.
Recommended Action Examine the network for possible loops.
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