The AP expects the .tar file to be at the root of your TFTP server. But the AP also looks for a named ap3g3-k9w8-tar.153-3.jpo after extraction. Ensure your TFTP server has write permissions.
If your APs run a SCADA or medical system that will never see an internet connection (or unauthenticated users), and change control forbids upgrades, this image is "stable enough." Ap3g3-k9w8-tar.153-3.jpo.tar
When a new LAP is connected to a network with a WLC, it automatically tries to find the controller and download this specific image to match the controller's version. Manual Installation (via TFTP/FTP): The AP expects the
Ap3g3-k9w8-tar.153-3.jpo.tar
: Use the following command syntax to install the firmware: archive download-sw /force-reload /overwrite tftp://[Server_IP]/ap3g3-k9w8-tar.153-3.jpo.tar If your APs run a SCADA or medical
Give which of the above applies and any file contents or samples; I’ll produce a structured deep paper accordingly.