Your setup is correct. Could you provide us with more information about the VPN you want to setup? Which routers terminate the VPN? You can also create a secure VPN with zeroshell in order to avoid using 2 more routers.
Routing and Bridging Firewall Solutions
Your setup is correct. Could you provide us with more information about the VPN you want to setup? Which routers terminate the VPN? You can also create a secure VPN with zeroshell in order to avoid using 2 more routers.