Air-ct2500-k9-2-0-0-0-fus.aes Direct

If you’ve recently downloaded firmware for a Cisco 2500 Series Wireless Controller and noticed a file named air-ct2500-k9-2-0-0-0-fus.aes , you might be confused. You expected a .aes extension, but you need a .bin or .img file for an upgrade.

Here is exactly what this file is, why you need it, and how to use it without bricking your controller. FUS stands for Field Upgrade Software . air-ct2500-k9-2-0-0-0-fus.aes

Don’t panic. You haven’t downloaded the wrong file. You’ve just encountered Cisco’s . If you’ve recently downloaded firmware for a Cisco