Internet Setup-Ethernet WAN
Choose SETUP > Internet Setup. In this page, select Ethernet in WAN Access
Type. And then the page is shown as the figure appears on the right. In this page,
you can add or configure WAN interface of your router.
Click Add.
Note:
If the selected WAN access type is Ethernet, please connect the
LAN/WAN port to the Ethernet uplink jack through a RJ45 cable.