@Alexandre. Thanks again for your great suggestions. I plan to keep the new router since I've been happy with my existing router Archer x50.

@Alexandre. Thanks for replying. I have the X20 3 sets. The problem is not the cable modem. It's currently hooked up to my exiting router which provides me the internet. I wanted to setup the mesh...

I'm upgrading my existing single access point to mesh AX20 but want to set the mesh first without Internet access. The reason for this is to test the mesh routers position prior to plugging in the...