Draytek Vigor 3220 SERIES User Manual page 140

Available settings are explained as follows:
Item
Enable
Authentication Type
802.1x ports
After finishing all the settings here, please click OK to save the configuration.
128
Description
Check the box to enable LAN 802.1x function.
Use the drop down list to choose which server (External
RADIUS or Local 802.1x) will be used for authenticating LAN
user.
After enabling the function, simply specify the LAN port(s) to
apply such function.
Vigor2832 Series User's Guide