Cisco 2500 Series Wireless Controller Firmware Update _top_ Guide

Select TFTP , SFTP , or FTP based on your server setup.

Check for size limitations (ensure your server supports files over 32 MB), file permissions, and firewall rules blocking UDP ports 69. cisco 2500 series wireless controller firmware update

Help you you need if you tell me your current model and software version. Select TFTP , SFTP , or FTP based on your server setup