Ap3g2-k9w7-tar.153-3.jbb1.tar -
| Mode | Description | | :--- | :--- | | | Default mode. AP joins a Cisco Wireless LAN Controller (WLC) running compatible code (e.g., AireOS 7.6.x, 8.0.x, 8.1.x). | | Autonomous mode | Possible if the .tar contains a recovery image allowing conversion. Typically used for standalone operation without a WLC. | | Recovery via tftp | The .tar file is uploaded to the AP’s flash via tftp from ROMMON or from within IOS using archive download-sw . |
The file ap3g2-k9w7-tar.153-3.jbb1.tar is a firmware image package for specific Cisco Aironet series access points. It is a tar (Tape Archive) bundle containing the lightweight access point (LAP) or autonomous access point software image. The filename indicates it is intended for the AP3G2 platform family, running IOS version 15.3(3)JBB1. Ap3g2-k9w7-tar.153-3.jbb1.tar
| Field | Value | Meaning | | :--- | :--- | :--- | | | ap3g2 | Cisco Aironet 3600/3700 series (AP3600, AP3700) and possibly 2600/2700 series with similar hardware architecture (AP3G2 is a common driver/platform identifier). | | Feature Set | k9w7 | k9 = Encryption support (SSL/SSH/crypto). w7 = Lightweight AP image (requires controller) – though .tar suggests a combined or autonomous-capable image . In practice, this often indicates a unified image that can boot as lightweight or convert to autonomous. | | File Type | tar | Archive format; contains multiple files (e.g., ap3g2-rcvk9w8-mx , ap3g2-xxx-mx , etc.) used for recovery or image upgrade via tftp/web. | | Version | 153-3.jbb1 | IOS version 15.3(3)JBB1. | | Extension | .tar | Full bundle, not just a single .bin file. | | Mode | Description | | :--- | :--- | | | Default mode
md5sum ap3g2-k9w7-tar.153-3.jbb1.tar # Expected (example): a1b2c3d4e5f678901234567890abcdef Actual checksums are provided on Cisco’s download page for the file. Typically used for standalone operation without a WLC
After downloading the file from Cisco, verify its MD5/SHA checksum (example only):
