Cisco 2500 Series Wireless Controller Firmware Update Today

From the CLI (or GUI Commands menu), execute:

Connected APs will download the new matching firmware from the controller. They will reboot individually. Track this progress under Wireless > Access Points to ensure all APs return to an "UP" status. Troubleshooting Common Issues

Ensure the file size matches the Cisco download page exactly. Re-download the .aes file if corruption is suspected. cisco 2500 series wireless controller firmware update

After the controller and all APs have rebooted:

After the controller boots up with the new firmware, all connected Access Points will automatically download the matching AP image from the WLC. From the CLI (or GUI Commands menu), execute:

Once the controller boots back up, log in and verify the active software version. : Check the Summary page for the "Product Version."

Before rebooting, verify that the image downloaded successfully into the secondary slot. Troubleshooting Common Issues Ensure the file size matches

You can perform the update using either the graphical user interface (GUI) or the command-line interface (CLI). Method A: Via the Web GUI (Recommended)