Information Technology Reference
In-Depth Information
Caution
To prevent damage to components that are sensitive to electrostatic discharge (ESD), attach
ESD protection before opening a chassis. Make certain that the power cord is connected but
that power is off. ESD damage prevention guidelines are provided in the hardware
installation and maintenance publication for your router.
If a part replacement appears to solve a problem, reinstall the suspect part to verify the failure.
Always
double-check a repair.
Troubleshooting Booting Problems
This section discusses troubleshooting procedures for connectivity problems related to booting. It
describes specific booting symptoms, the problems that are likely to cause each symptom, and the
solutions to those problems.
Booting: Router Fails to Boot from Flash Memory
Symptom:
When a user is booting a router from Flash memory, the boot process appears to complete,
but the router does not route traffic or communicate with neighbors. In addition, exec commands might
or might not appear to function.
