Cisco 2500 Series Wireless Controller Firmware Update

Navigate to Monitor and look at the software version details under the Controller Summary .

Save config:

Always back up your current configuration before performing any maintenance. Log into the WLC GUI. Navigate to . Set the File Type to Configuration . Configure your TFTP/SFTP server details and click Upload . Phase 2: Preparing the Environment

Connect via SSH or console cable and execute the following sequential commands: cisco 2500 series wireless controller firmware update

What specific are running on your network? Do you plan to perform the upgrade via GUI or CLI ?

What are deployed in your environment?

⚠️ APs will disconnect during reboot and rejoin after ~5–10 minutes. Navigate to Monitor and look at the software

After transfer completes, the image is stored in flash but not active.

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The APs will discover that the WLC is running a newer code version than they currently possess. Navigate to

Place the .aes file on your TFTP/FTP/SFTP server root.

Go to Commands > Reboot , choose whether you want to save the configuration, and click Reboot . In the CLI: Execute the command: (Cisco Controller) > reset system Use code with caution. 5. Post-Update Verification and AP Upgrades