How to combine an interface with a Mikrotik port into a VPN bridge?

Question

VPN

Two subscribers are connected to one provider.
One has internet, the other only LAN.
Between them, a vpn tunnel on mikrotiks was raised.
How to forward the Internet, to a subscriber with only a LAN?

Answer 1

A subscriber without Internet must have a default gateway tunnel.
A subscriber with Internet must be configured to masquerade traffic coming through the tunnel interface.
In addition, you need to do what Alexander Romanov described in the comment below