Troubleshooting

This chapter explains how you can troubleshoot a specific problem, such as abnormal LED activity or no system power, when you power up the router. It contains the following sections:

• Diagnosing Problems
• Troubleshooting Power Failures
• Understanding Status LEDs to Troubleshoot
• Monitoring Temperatures of Modules
• Resetting Line Modules and SRP Modules
• Double-Bit Errors on SRP Modules

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