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Cisco 6500 - Catalyst Series 10 Gigabit EN Interface Module Expansion Руководство по устранению неполадок
Appendix B
Troubleshooting

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:
•
•
•
Take steps to correct the problem. For information about environmental operating conditions, refer to
the following books:
•
•

Troubleshooting Modules

Typical module problems can be caused by the module itself, cables, or cable connections. As a rule, just
verifying the status LEDs of a particular module will help you to determine any faults.
Check for the following general symptoms to help isolate a problem:
•
•
•
•
•
OL-7469-04
Fan failure
Air conditioner failure in the room
Air blockage to cooling vents
Catalyst 6500 Series Switch Installation Guide—Chapter 2
Cisco 7600 Series Router Installation Guide—Chapter 2
Module is not recognized by the switch or router.
–
Make sure the module is firmly seated in its slot.
–
Check the LEDs on the module. Each module has its own set of LEDs.
–
Make sure you have a version of Cisco IOS software that supports the module.
Module is recognized, but interface ports do not initialize.
Make sure the module is firmly seated in its slot.
–
Check external cable connections.
–
Make sure you have a version of Cisco IOS software that supports the module.
–
Switch or router does not boot properly, or constantly or intermittently reboots.
Make sure the module is firmly seated in its slot.
–
Check the switch or router chassis or software. Refer to the Cisco Information Packet
–
publication that shipped with your switch or router for warranty information, or contact
customer service.
Switch or router powers on and boots only when a particular module is removed.
Check the module. Refer to the Cisco Information Packet publication that accompanied your
–
order for warranty information, or contact customer service.
Switch or router powers on and boots only when a particular cable is disconnected.
There may be a problem with the module or cable. Refer to the Cisco Information Packet
–
publication for warranty information, or contact customer service.
Multiprocessor WAN Application Module User Guide
General Problem Solving
B-3