@echo off

cls
echo.

REM put your VPN connection name here
set myvpn="Your VPN name"
REM put your user here
set myuser="foo"
REM put your pass here. Leave * for asking
set mypass="testpass"
REM put your win admin user here
set winadmin="administrator"
REM put your network route here
set network="192.168.8.0"
REM put your network mask here
set mask="255.255.255.0"
REM put your gateway mask here
set gateway="192.168.1.1"

ipconfig | find /i %myvpn% > nul 2>&1

if %ERRORLEVEL% == 0 (

    echo "VPN already connected. Disconnecting..."
    echo.
    rasdial %myvpn% /disconnect
    runas.exe /user:%winadmin% /savedcred "route delete %network% mask %mask% %gateway%"

) else if %ERRORLEVEL% == 1 (

    echo "VPN not connected. Connecting..."
    echo.
    rasdial %myvpn% %myuser% %mypass%
    runas.exe /user:%winadmin% /savedcred "route add %network% mask %mask% %gateway%"
)