topic That looks bad, could be in Wireless

WLC 5508 Boot Loader Failed

Monuc Admins — Mon, 05 Jul 2021 14:11:14 GMT

Cisco WLC 5508 Failed to Boot, Below is the information I got when I console into the device:

##########################################
### IMPROPER SYSTEM OPERATION DETECTED ###
### ---------------------------------- ###
### System has been halted because: ###
### 1. Boot loader failed verification ###
##########################################

Could you please assist with this problem ?

Regards

Daniel

That looks bad, could be

patoberli — Fri, 09 Jun 2017 09:22:17 GMT

That looks bad, could be broken disk, but could also be broken FUS or some other software failure.

You might want to upgrade the FUS if that is still possible:

http://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/fus_rn_OL-31390-01.html

Otherwise open a TAC for this.

The appliance is dead.

Leo Laohoo — Sat, 10 Jun 2017 04:06:22 GMT

The appliance is dead. Contact Cisco TAC and arrange for RMA.