: Consult Cisco Release Notes to determine if a direct upgrade is possible or if intermediate "stepping stone" releases are required.
To update the firmware on your Cisco 2500 Series Wireless Controller:
: Once the transfer is complete, navigate to Commands > Reboot to apply the new firmware. Connectivity will be lost during this time.
You should see #################################### . If you see ! or . errors, check firewall rules or network latency.
Remember the golden rule of network engineering: If it ain't broke, you aren't looking hard enough for vulnerabilities. Schedule your next firmware update today, but only after you’ve triple-checked your backup and saved a copy of your running config off-box.
Alex entered the IP of the TFTP server where the firmware waited.
The Graphical User Interface is the most common method for updating the Cisco 2504 Go to product viewer dialog for this item. Cisco WLC - Upgrading software