How to deploy a vpn server from a local network router?

Question

VPN

There is a router A, on which static comes, there is a router B, on which the vpn server will be running, the routers are connected via lan - wan, is it possible to reach the vpn server from the computer, if so, how?

Answer 1

You can - by forwarding the necessary ports on router A to router B

Answer 2

so. router B where and how is it connected? give me a diagram)