Ap3g1-k9w7-tar.152-2.jb.tar -

: Indicates the feature set. "k9" stands for strong encryption (AES/3DES), while "w7" identifies this as Autonomous IOS .

The filename follows a standard Cisco convention that reveals exactly what the software does: Ap3g1-k9w7-tar.152-2.jb.tar

If your AP is currently in Lightweight mode (seeking a controller), you can force it to Autonomous mode using the : Understanding Access Point OS Images - Cisco Community : Indicates the feature set

: On older hardware like the 3500 and 3600 series, this image is often used to put the device into a "Site-Survey Only" mode to test signal strength and coverage. Enter the following command in the AP console:

Enter the following command in the AP console: archive download-sw /overwrite /reload tftp:// /ap3g1-k9w7-tar.152-2.jb.tar

The AP will extract the files, update the radio firmware, and reboot. Method 2: Conversion from Lightweight (LAP to AAP)

Running version 15.2(2)JB on your hardware unlocks several specific functionalities: