VPN Between two Flint 3 Routers

I have two flint 3 routers, each at a different location and each plugged directly into a fiber modem. I have successfully created a wireguard vpn server instance on one and client on the other. The tunnel is up, the internet is going through the tunnel, and I can access the server network resources from the client, but from the server, I can not ping the network resources of the client. What am I missing ?

I also tried the goodcloud site to site vpn networking option and disabled the wireguard VPN and I am having the same result

An alternative is to use Tailscale, which is based on WG in and orders of magnitude easier to confiture.

Hi

Please refer to Access Client LAN from Server (WireGuard) - GL.iNet Router Docs 4