5 – Diagnostics/Troubleshooting
POST Diagnostics
5-2 59042-00 A
5.1.1.2
Force PROM Mode Pattern
Steady illumination indicates that the switch is in force PROM mode, which r eturns
the switch IP address to 10.0.0.1. From force PROM mode, you may reload
firmware, reset the password to the factory default, and remove a corrupt
configuration.
5.1.1.3
Internal Firmware Failure Blink Pattern
An internal firmware failure blink pattern is 2 blinks per second followed by a two
second pause. The 2-blink error pattern indicates that the firmware has failed, and
that the switch must be reset.
5.1.1.4
Fatal Error Blink Pattern
A fatal error blink pattern is 3 blinks per second followed by a two second pause.
The 3-blink error pattern indicates that a fatal error has left the switch inoperable.
If a fatal error occurs, contact your authorized maintenance provider.
5.1.1.5
Configuration File System Error Blink Pattern
A configuration file system error blink pattern is 4 blinks per second followed by a
two second pause. The 4-blink error pattern indicates that a configuration file
system error has occurred, and that a Remake File System procedure is
necessary to return the switch to a normal state. Refer to ”Rec overing a Switch”
on page 5-6 for more information.
2 seconds
1 second
2 seconds
1 second
2 seconds
1 second