Using the LEDs to Determine the Problem
5-6 Problem Solving
Table 5-5: Netw o rk Lo a di ng /Up line Dumping LED Patterns
LEDs1
1. =on, =off, =steady blinking, =random bli nki ng , =any state
1 2 3 4 5 6 7 Meaning of LED Pattern
Waiting for downline load from load host
Downline loading image from load host
Firmware error detected while downline
loading image from load host
TFTP file not found
Waiting for retry of TFTP load
Upgrading Flash
Flash upgrade successful
Invalid (wrong) load image
Unsuccessful Flash upgrade
Invalid load image: corrupted image
Invalid load image: image too large
TFTP error
Firmware error or number of retries
exceeded
Hardware error