| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | The file path on Cisco’s server changed. | Search using the full version string (153-3.jf15) instead of the filename. | | “Image does not support this platform” | You downloaded the wrong AP variant (e.g., for 2700 series). | Double-check ap3g1 is for 2600/3600/3700 only. | | “Tar header checksum error” | Corrupted download. | Re-download and run the SHA256 checksum verification. | | AP boots but no GUI (HTTP) | The k9w7 TAR may have disabled HTTP by default. | Use console or SSH to run: ip http server and ip http secure-server . |
If you are searching for a link to download ap3g1-k9w7-tar.153-3.jf15.tar , you must proceed with extreme caution. ap3g1-k9w7-tar.153-3.jf15.tar download
If your AP is currently in lightweight mode and you want to convert it to autonomous: | Error Message | Likely Cause | Solution
Aironet 3502i WAPs need switched to standalone - Cisco Community | Double-check ap3g1 is for 2600/3600/3700 only
: Indicates the file is a compressed archive containing the IOS image, web interface files, and radio firmware. 153-3.jf15 : Represents the software version, which in this case is Cisco IOS Release 15.3(3)JF15 Cisco Community Key Use Cases Conversion from Lightweight to Autonomous
feature set. Unlike "k9w8" images, which require a Wireless LAN Controller (WLC), k9w7 allows the access point to function independently.