The file designation airap2800k9me831330tar refers to the Cisco Lightweight Access Point software bundle, specifically version 8.3.133.0 for the Cisco Aironet 2800 Series. This specific release (Maintenance Release 8.3.133.0) is often sought for stability deployments or specific compliance requirements within enterprise environments. The .tar extension indicates a compressed archive containing the necessary bootloader, kernel, and root filesystem images required to restore or upgrade the access point’s operating system.
The file format (a tarball containing the necessary image files).
If you are trying to upgrade or recover a Cisco Aironet 2800 Series Access Point using the Mobility Express (ME) software image AIR-AP2800-K9-ME-8-3-133-0.tar
Look for software and locate version 8.3.133.0 . Download the AIR-AP2800-K9-ME-8.3.133.0.tar file.
AIRAP2800K9ME831330TAR is a specific software image used in Cisco's Aironet 2800 Series access points. These access points are designed to provide high-performance, reliable, and secure wireless connectivity for enterprises. The software image, AIRAP2800K9ME831330TAR, is a customized version that enables advanced features and capabilities, such as:
Cisco introduced strong code-signing. If you downloaded a corrupted file or the wrong ME variant, the AP will reject the "tar" immediately with a "Signature verification failed" error.
ap# archive download-sw /reload tftp:// /AIR-AP2800-K9-ME- Use code with caution. Copied to clipboard
A valid Cisco service contract is typically required to download these files. Release Specifics: If you specifically need version , check the "All Releases" section on the Cisco download page Cisco Community Common Issues & Troubleshooting
| Issue | Symptom | Fix | |-------|---------|-----| | Corrupt download | tar: unexpected EOF | Re-download, use curl -C - or wget -c | | Wrong file type | .bin instead of .tar | Wrong image — get ME bundle | | Incomplete signature | AP rejects upgrade | Check Cisco SHA256 | | Untrusted source | AP bricks | Download from Cisco.com |
Physical access for console connection or SSH access.
: Stands for Mobility Express, a deployment mode where one AP acts as a virtual wireless LAN controller (WLC). 831330 : Denotes the software version: 8.3.133.0 . tar : The archive format used for installation.
: Enter the following command to point the AP to the ME image: ap-type mobility-express tftp:// /AIR-AP2800-K9-ME-8-3-133-0.tar . Reboot : Execute the reload command.
Would you like the exact SHA256 hash for this file from Cisco’s official release notes?