4.Click Save and Reboot.
5.Cisco Prime Infrastructure can also be useful for upgrading one virtual controller or many virtual controllers at the same time. Go to Configure > Controllers. Select (check box) one or more virtual controllers. Select Download Software (TFTP) from the command drop−down list. This example uses TFTP mode for image upgrade.
6.Provide the Download Type, TFTP server (new if using external), IP Address, File Path, and Server File Name (which is the .aes file type). Click Download.
