Type y when prompted to confirm the transfer and begin writing the image to the active flash memory. 4. Booting and Verification
The transfer terminates midway with a "TFTP server not responding" error.
During this period, the AP LEDs will blink rapidly, and they will reboot individually.
Install a reliable TFTP, FTP, or SFTP server on a machine reachable by the WLC management IP. SFTP or FTP is highly recommended over TFTP for images larger than 32MB to prevent timeout failures. cisco 2500 series wireless controller firmware update
Here are the details on how this feature works and why it is useful:
Ensure your existing access points (e.g., Aironet 1600, 2600, 2700, 3700 series) are supported by the target firmware version.
Initiate the transfer:
Run show boot in the CLI to verify that the new version is sitting on the backup image slot and the current version is active.
If you encounter issues during the firmware update process, here are some troubleshooting tips:
: Utilized via SSH or console port for granular control and troubleshooting. Type y when prompted to confirm the transfer
Before starting the update, verify these critical items to prevent network downtime or hardware failure:
Enter the exact filename of the downloaded firmware (e.g., AIR-CT2500-K9-8-5-182-0.aes ).
