Cisco 2610 Hardware Installation Guide - Page 77

Troubleshooting, Isolating Problems

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Troubleshooting A A P P E N D I X Your Cisco 2600 series router goes through extensive testing and burn-in before leaving the factory. If you encounter problems, use the information in this appendix to help isolate problems or to eliminate the router as the source of the problem. • Isolating Problems, page A-1 • System Messages, page A-4 • Recovering a Lost Password, page A-4 • Cisco Technical Assistance Center, page A-4 Note To troubleshoot a network module, refer to the Cisco Network Modules Installation Guide; to troubleshoot a WAN interface card, refer to the Cisco Interface Cards Installation Guide. If you cannot locate the source of the problem, contact a customer service representative for information on how to proceed. For information about obtaining technical support, see the "Obtaining Technical Assistance" section on page xviii. Before you call, have the following information ready: • Chassis type and serial number • Maintenance agreement or warranty information • Type of software and version number • Date you received the new chassis • Brief description of the problem • Brief explanation of the steps you have taken to isolate the problem Isolating Problems The key to problem solving is to isolate the problem to a specific subsystem by comparing what the router is doing to what it should be doing. The LEDs on the front and rear panel of the router enable you to determine router performance and operation. For a description of these LEDs, see the "Reading the Front-Panel LEDs" section on page 1-3 and the "Reading the Rear-Panel LEDs" section on page 1-5. When problem solving, consider the following subsystems: • Power and cooling systems-External power source, power cable, router power supply and circuit breaker, and router blower and fan. Also consider inadequate ventilation or air circulation. OL-2171-06 Cisco 2600 Series Routers Hardware Installation Guide A-1

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A-1
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-06
APPENDIX
A
Troubleshooting
Your Cisco 2600 series router goes through extensive testing and burn-in before leaving the factory. If
you encounter problems, use the information in this appendix to help isolate problems or to eliminate
the router as the source of the problem.
•
Isolating Problems, page A-1
•
System Messages, page A-4
•
Recovering a Lost Password, page A-4
•
Cisco Technical Assistance Center, page A-4
Note
To troubleshoot a network module, refer to the
Cisco Network Modules Installation Guide
; to
troubleshoot a WAN interface card, refer to the
Cisco Interface Cards Installation Guide
.
If you cannot locate the source of the problem, contact a customer service representative for information
on how to proceed. For information about obtaining technical support, see the
“Obtaining Technical
Assistance” section on page xviii
. Before you call, have the following information ready:
•
Chassis type and serial number
•
Maintenance agreement or warranty information
•
Type of software and version number
•
Date you received the new chassis
•
Brief description of the problem
•
Brief explanation of the steps you have taken to isolate the problem
Isolating Problems
The key to problem solving is to isolate the problem to a specific subsystem by comparing what the
router is doing to what it should be doing.
The LEDs on the front and rear panel of the router enable you to determine router performance and
operation. For a description of these LEDs, see the
“Reading the Front-Panel LEDs” section on page 1-3
and the
“Reading the Rear-Panel LEDs” section on page 1-5
.
When problem solving, consider the following subsystems:
•
Power and cooling systems—External power source, power cable, router power supply and circuit
breaker, and router blower and fan. Also consider inadequate ventilation or air circulation.