config wlan enable <wlan_id>
There are two primary methods to perform the upgrade: the and the Command Line Interface (CLI) . Cisco recommends using the "Primary" and "Backup" image partitions to ensure that if a new image fails, the controller automatically rolls back to the previous stable version. cisco 2500 series wireless controller firmware update
Enter the directory path relative to your server's root folder (use ./ if the file sits in the root directory). config wlan enable <wlan_id> There are two primary
What are currently connected to it?
This indicates a corrupted firmware or failed flash write. Perform a TFTP recovery. What are currently connected to it
Run the command show boot . Look for the primary and backup image listings. If the new software is listed as backup, switch it by executing: config boot backup (This swaps the active boot target). Save and Reboot Save the configuration changes to active NVRAM: save config Initiate the system restart: reset system
If you have a primary/backup HA pair, you must upgrade the standby first, then fail over. For standalone units, schedule maintenance during off-hours.