Once verified, reset the controller: Idrac8 Enterprise License Generator - 3.79.94.248
transfer download datatype code transfer download mode tftp transfer download serverip <TFTP_IP_ADDRESS> transfer download filename <IMAGE_FILE_NAME.aes> transfer download start Once the WLC has the new code but has not yet rebooted , run: Emil Strainu Carti Pdf [FAST]
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.
Here are the details on how this feature works and why it is useful: In a standard update, if you reboot the controller immediately after upgrading the software, all connected APs would lose connection. They would then have to independently download the new code from the controller (or TFTP server) while booting up. This process creates a significant outage window (often 20–40 minutes depending on network size) because the APs must download, extract, and reboot sequentially or slowly in parallel.
You can check the progress to ensure all APs have finished downloading.
When discussing firmware updates for the Cisco 2500 Series Wireless Controller (WLC), the most critical feature is the .
ap image predownload primary all Note: This command tells the controller to push the primary boot image to all joined APs.