TP-Link T1600G-18TS Configuration Manual page 607

Configuring Network Security
Switch(config)#interface gigabitEthernet 1/0/2
Switch(config-if)#dot1x
Switch(config-if)#dot1x port-method port-based
Switch(config-if)#dot1x port-control auto
Switch(config-if)#show dot1x interface gigabitEthernet 1/0/2
Port State
---- -----
Gi1/0/2 enabled
Switch(config-if)#end
Switch#copy running-config startup-config
GuestVLAN PortControl
--------- --------
disabled auto
PortMethod Authorized
-------- --------------
port-based unauthorized N/A
802.1X Configuration
LAG
---
Configuration Guide 584