A simple batch file to auto-check and auto-connect a VPN connection

AutoConnectVPN.bat

@echo off

set vpnName="My VPN Connection Name"
set pingIp=192.168.1.1
set checkInterval=30

:whileLoop

for /f %%i in ('ping %pingIp% -l 1 -n 1 ^| find /c "Reply from %pingIp%"') do SET MATCHES=%%i

if %MATCHES%==1 (
	rem echo "success"
) else (
	echo "Target unreachable..."
	rasdial %vpnName%
)

ping localhost -n %checkInterval% > nul

goto :whileLoop