VPN

Remove default route and add only subnet routes

Remove default route through the VPN

• Run ncpa.cpl and right-click on the VPN you want to edit and select "Properties"
• On tab "Networking", select "TCP/IPv4" and click "Properties"
• Click "Advanced"
• Uncheck the "Use default gateway on remote network"

Add only subnet

route add <IP> mask <MASK> <GATEWAY> [metric X] [if x]

References

How to route only certain IP Addresses to your VPN in Windows Version 0.51 http://bootstrike.com/Articles/Win7Routing/

How can I make the Windows VPN route selective traffic (by destination network)? https://superuser.com/questions/12022/how-can-i-make-the-windows-vpn-route-selective-traffic-by-destination-network