Wireguard can't access LAN beyond router's IP

Technical Support for Routers VPN, DNS, Leaks
1

I have recently purchased a Flint 2, and I have been struggling with setting up a Wireguard server.
I managed to set it up and connect a client to it, but I can only access the router's IP address, and I can't access any other host.
Here are my settings:

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If I want to access 10.0.0.1, I can simply open that.
Opening 10.0.1.1 however is impossible. Using traceroute on it shows a hop to 10.0.0.1 and it gets stuck there.

2

I highly recommend not using /8 subnets.
Stay with /24 or maybe /23 if needed.

3

That was my first thought. I'm in the process of moving to /16.

4

Oh hey guess what? Switching to /16 and putting the WG server on 10.1.0.1/16 fixed all of my problems. I guess I got a bit overzealous with that one big subnet.

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