Cisco uses a strict naming convention for its Access Point (AP) operating systems. Breaking down the keyword reveals exactly what hardware and operating mode this package supports:
| Problem | Likely Fix | |---------|-------------| | tar: invalid magic | Corrupted image – re-download, check MD5 | | TFTP timeout | Firewall blocks port 69; try FTP or recheck cabling | | AP boots into image recovery loop | Bootloader set BOOT points to old image. Use set BOOT flash:/<new-image-name> | | AP1G3 won't join WLC | Check WLC model compatibility (supports 1500 series). Upgrade WLC code if needed. | | No console after flash | Console defaults to 9600 baud; try 9600 8N1 . Image may take 3–5 min first boot. | ap1g3-k9w7-tar
: Corrupted image or insufficient flash space. Solution : Enter ROMmon mode (by breaking boot sequence) and perform a TFTP recovery. Use tftpdnld command to push a known-good image. Then do boot . Cisco uses a strict naming convention for its