@frootieeloops Can't find thismodel, but if this is a GPON FTTH router you can't replace it with AX12.

@LuizMP No, these are your LAN settings. I've meant on your Internet port settings:

@frootieeloops What's your ISp router make and model. This should be printed on its bottom sticker.

@frootieeloops What's your ISP internet connection type ? (Dynamic IP, PPPoE, etc.) You can configure the same on your AX12 to replace your ISP router. Unless it's of type that AX12 doesn't support...

@frootieeloops So your topology is: ISP router=>AX12=>your PC - Is that correct ? If you connect only AX12 wihoout using your ISP router - can you do the same test. This web based test seems to be...

@david3 Here's a broader description of the protocols that different TP-Link mesh networks support.