Running a VPN server via RADIUS that can not send framed routes so had to manually setup split tunnels, so in windows 10 Powershell ROUTE add
Set-VpnConnection -ConnectionName "vpn.host.net" -SplitTunneling 1 Add-VpnConnectionRoute -ConnectionName "vpn.host.net" -DestinationPrefix 10.0.0.0/16 Add-VpnConnectionRoute -ConnectionName "vpn.host.net" -DestinationPrefix 172.18.0.0/16 Add-VpnConnectionRoute -ConnectionName "vpn.host.net" -DestinationPrefix 192.168.0.0/16
https://technet.microsoft.com/en-us/library/jj554818(v=wps.630).aspx