Press and hold the button on the front or side of the AP. Reconnect the power.
: Place the ap3g2-k9w7-tar.153-3.jbb1.tar file in the TFTP root directory.
| Symptom | Likely Cause | Fix | |---------|--------------|-----| | TFTP: timeout | Firewall or incorrect TFTP server IP | Use show ip interface brief to confirm AP’s IP. Test TFTP with a different client. | | Not enough space | Flash memory full | Run delete /force /recursive flash:/old-image-name and squeeze flash: | | tar: invalid magic | Corrupted download | Re-download the file from Cisco’s official portal (requires SmartNet). Check SHA256 checksum. | | AP boots to rommon> | Boot variable not set | In ROMMON: set BOOT= flash:/ap3g2-k9w7-mx.153-3.jbb1/ap3g2-k9w7-mx.153-3.jbb1 then boot | | %Error opening tftp://... (Permission denied) | TFTP server read permissions | Ensure the file is world-readable or check TFTP server security settings. | Ap3g2-k9w7-tar.153-3.jbb1.tar WORK
: Assign your administrative workstation a static IP address (e.g., 10.0.0.5 or 192.168.1.50 ) and connect it directly to the access point's Ethernet port or to the same local switch network.
Once the file is extracted (which may take a few minutes), set the AP to boot the new image: # Check the folder name created in flash ap: dir flash: # Set the boot variable (example directory name) BOOT flash:/ap3g2-k9w7-tar.153- .jbb1/ap3g2-k9w7-mx.153- # Save settings and reboot Use code with caution. Copied to clipboard Post-Installation Press and hold the button on the front or side of the AP
This file is the firmware (AP3G2 = Cisco 3500/3600/3700 series APs, K9W7 = lightweight AP image converted to autonomous mode). Version 15.3(3)JBB1 is an older but mature release.
: This defines the Cisco IOS release version, specifically Cisco IOS Release 15.3(3)JBB1 . This stable release branch supports robust 802.11ac wave 1 radio features on legacy hardware platforms. Prerequisites for Deployment | Symptom | Likely Cause | Fix |
Run the following commands in the ap: prompt to define the network parameters and format the flash: