TP-Link T1600G-18TS Configuration Manual page 645

Configuring Network Security
Authentication Login Methodlist:
Methodlist
default
Method-Login RADIUS1
Authentication Enable Methodlist:
Methodlist
default
Method-Enable RADIUS1
......
Verify the status of the AAA feature and the configuration of the AAA application list:
Switch#show aaa global
AAA global status: Enable
Module
Telnet
Ssh
Http
pri1 pri2
local --
--
pri1 pri2
none --
--
Login List Enable List
Method-Login Method-Enable
default default
default default
pri3 pri4
-- --
-- --
pri3 pri4
-- --
-- --
Configuration Examples
Configuration Guide 622