Troubleshooting 10

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.

Topic

Page

Diagnosing Problems

10-1

 

 

Troubleshooting Power Failures

10-2

 

 

Understanding Status LEDs to Troubleshoot

10-2

 

 

Monitoring Temperatures of Modules

10-9

 

 

Resetting Line Modules and SRP Modules

10-10

 

 

Double-Bit Errors on SRP Modules

10-10

 

 

Diagnosing Problems

Your initial response to a system problem should be to:

1Check power connections.

2Observe the system’s LEDs carefully.

3Check cable connections on the system modules.

If a problem is beyond the scope of this chapter, refer to Appendix C,

Customer Support for further instructions.

Note: Running the show version and show hardware commands is often a good first step when trying to troubleshoot a problem.

Page 123
Image 123
Juniper Networks E-Series manual Troubleshooting, Diagnosing Problems