Refer to the exhibit.

[Reference:, https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/radius-server-host.html, , By default, RADIUS uses UDP port 1812 for authentication and port 1813 for accounting. In the, exhibit above we see port 1814 is being used for authentication to AAA server at 10.1.1.1 which, is not the default port so we must adjust the authentication port to the default value 1812., , , , , , ]