This feature allows you to minimize network downtime and risk by pushing the new firmware to all connected Access Points (APs) before the controller itself reboots to apply the update.
(Cisco Controller) > transfer download mode tftp (Cisco Controller) > transfer download serverip (Cisco Controller) > transfer download path / (Cisco Controller) > transfer download filename (Cisco Controller) > transfer download start Use code with caution. cisco 2500 series wireless controller firmware update
Once the WLC finishes booting, all connected access points will attempt to join the controller. This feature allows you to minimize network downtime
All APs should show “Registered” status with the correct AP image version. cisco 2500 series wireless controller firmware update
WLC displays an error indicating "Code sanity check failed" or "Invalid image".