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APPENDIX
B
Troubleshooting
During power up, your Cisco Catalyst 6500 Series switch or Cisco 7600 Series Internet Router goes
through a system check. This system check also includes all the modules (for example, the MWAM) that
are installed.
If your MWAM is not powering up properly, begin troubleshooting using the procedures in this
appendix. This appendix guides you through some initial checks and procedures that can solve some
basic MWAM problems. It can also direct you to the appropriate d
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Appendix B Troubleshooting General Problem Solving General Problem Solving As you start your problem solving, you first look at the way your Catalyst 6500 switch or Cisco 7600 router is responding during power up. The key to problem solving is to isolate the problem to a specific subsystem by comparing what your switch or router is doing to what it should be doing. The LEDs on the front panel of the switch or router enable you to determine the switch or router performance and operati
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Appendix B Troubleshooting General Problem Solving Environmental Monitoring The Catalyst 6500 switch and the Cisco 7600 router both provide environmental monitoring of their chassis components for over temperature conditions. This environmental monitoring provides an early warning indication of possible component failure to ensure safe and reliable system operation and to avoid network interruptions. Some causes of abnormally high switch or router temperatures are: � Fan failure � Ai
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Appendix B Troubleshooting MWAM Problem Solving MWAM Problem Solving In a typical MWAM problem solving situation, you would first check the following: � The module is firmly seated in its slot. � The installation is verified. � The STATUS LED is on. � The version of Cisco IOS software that supports the MWAM is installed. � The MWAM configuration is verified. This section also contains information that can be useful for some common problems that may affect the proper operation of the MW
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Appendix B Troubleshooting MWAM Problem Solving Determining the MWAM Cisco IOS Image Name To determine the MWAM Cisco IOS image name, execute the following command at the Cisco Supervisor 2 (see the “Software Description” section on page 1-7 for more details): show cdp entry * You can also execute the following command at the Supervisor to determine the MWAM Cisco IOS image name: session slot x processor [2-6] Then issue the following command: show version You can also enter the follo
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Appendix B Troubleshooting MWAM System Error Messages Maximum Buffer Allocation for Complex 0 CPUs When upgrading processor complex images, it may be necessary to set the maximum allowable small buffer allocation for processor complex 0 to 7000 and the maximum allowable middle sized buffer allocation to 3500. MWAM System Error Messages Error messages may be received and reported in the system log (SysLog). This section lists these messages from the MWAM SysLog Files. Processor Comple
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Appendix B Troubleshooting MWAM System Error Messages Error Message %MWAM_FILESYSTEM-3-FC_INVALID_DIR_REQ: Cannot read or write complete %s file system. Explanation A CLI command attempted to copy or overwrite the full file system. Recommended Action Copy from or to an individual file. Error Message %MWAM_FILESYSTEM-3-FC_DIR_IS_FULL: Cannot add %s to file system, directory is full. Explanation The file system directory holds a limited number of entries, and an attempt was made to add
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Appendix B Troubleshooting MWAM System Error Messages Error Message MWAM_FLASH-3-FLASH_LOCKED_BY_OTHER_CPU: "%s" Explanation The other CPU within this complex is programming the shared flash, flash programming must complete before proceeding with reload Recommended Action Wait for the other CPU to complete its flash programming operation, then reenter the CLI command. NVRAM Error Messages Error Message %MWAM_NVRAM-3-ERR: "%s" Explanation An error occurred while saving/erasing the con
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Appendix B Troubleshooting MWAM System Error Messages Error Message %MWAM_FUR-1-INFO: "%s\n" Explanation Information about the Field-Upgradable ROMMON. Recommended Action If this message recurs, copy the error message exactly as it appears on the console or in the system log. Research and attempt to resolve the error using the Output Interpreter “OUTPUT_INTERPRETER.” Also perform a search of the Bug Toolkit “BUG_TOOLKIT.” If you still require assistance, open a case with the Technica
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Appendix B Troubleshooting MWAM System Error Messages Multiprocessor WAN Application Module User Guide B-10 OL-7469-04
