I've set up plenty of Raspberry Pi projects over the years, but turning one into a dedicated VPN server for my entire network ...

Businesses can set up a VPN tunnel to encrypt data transmitted between two gateways, or a gateway and a client, and protect sensitive information transferred over the Internet.

Setup vpn with default values, vpn tunnel is connected I can ping from one computer to the remote gateway and wan ip, but I cannot ping another computer belonging to the other subnet.

If you wish to experiment on a low-maintenance firewall-VPN gateway, then the package discussed here might be ideal for you. This article shows you how to set up, at minimal expense, a working VPN ...

So I have the exact set up you're wanting and use it for essentially the same thing thing except I'm on 24x7 as the work never stops. Look for ipsec site-to-site vpn gateway/routers.

Setting up this product is not a simple task. Most of the setup is done via the command line, but the documentation does not help guide through this process very well. We found ourselves looking ...