CHAPTER
Troubleshooting the Initial Hardware Configuration 4-1
Troubleshooting the
Initial Hardware Configuration
4
Your router went through extensive testing and burn-in before leaving the factory. However, if there
are problems starting up your system, follow the steps in this chapter to help identify the cause.
Sections of this chapter follow:
• Problem Solving
• Environmental Reporting Features
• Reading Front-Panel LED Indicators
• Reading Network Processor Module LED Indicators
Use the information in this chapter to help isolate problems, or rule out the router as the problem
source. If you cannot locate the source of your problem, contact a service representative for
information on how to proceed in resolving the problem. 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 you are having
• Brief explanation of what steps you have taken to isolate the problem
Problem Solving
The key to problem solving in this system is to try to isolate the problem to a specific subsystem. By
comparing what the system is doing to what it should be doing, the task of isolating a problem is
greatly simplified.
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