> show flash > delete <old-filename>.aes > save config
Confirm the active software version displays your new release target.
Run the following commands to configure your download parameters:
The Cisco 2500 Series WLC utilizes two software storage sectors on its flash memory: and Backup . When you download a new firmware image, it is automatically written to the backup sector to prevent overwriting your currently running operational environment. Verifying Flash Images
The controller will validate the image. Then:
Do not, under any circumstances, proceed without completing the following checklist:
Before initiating an upgrade, administrators must verify several environmental factors to prevent system failure:
Once the controller reboots, the upgrade is generally complete. However, you must perform final verification steps.
Open a web browser, enter your WLC’s management IP address via HTTPS, and log in with administrative credentials.
Configure the following settings:
