I want to connect my two networks, Network-A(192.168.1.x) and Network-B(192.168.0.x) throgh VPN . The Static IP of vpn are Network- A --192.168.77.5 , Network-B - 192.168.77.4.in each end I installed two Linux servers (LTSP) with two NIC cards, since the clients are disklesss. Network-A eth0-192.168.0.254, eth1-192.168.77.5. Network-B eth0-192.168.0.254, eth1-192.168.77.4.
I would be very thankful for this help as I have been searching for this problem for a long time.
Try this link on how to configure OpenSWAN, a popular Linux VPN solution.