Simplest zerotier setup for phone to router's home broadband connection

[ken22]

One possible solution that looks interesting is this:

Help with ZeroTier routing between GL.iNet devices

On your “home” beryl AX router, you will need to enable the “WAN” checkbox for Zerotier. On your “travel” Beryl AX router, you will NOT need any additional checkboxes enabled. That should complete the Zerotier configuration. After that, setup a Wireguard server on your “home” Beryl AX, then export the config file. Import the config file into your travel Beryl AX router under the Wireguard client (add a “New Group”, then add the config after that). Before importing the config file, I modified the…

It is using ZeroTier to create the virtual network between two routers and then having a WideGuard Server/Client connection between the two routers via ZeroTier.