Maintaining a Permanent VPN connection

From 
http://blog.degree.no/2011/10/permanent-vpn-connection-in-windows/

$ip = "some address or ip"
$result = gwmi -query "SELECT * FROM Win32_PingStatus WHERE Address = '$ip'"
if ($result.StatusCode -eq 0) {
    Write-Host "$ip is up."
}
else{
    Write-Host "$ip is down."
    Write-Host "Disconnecting..."
    rasdial.exe xxxVPN /DISCONNECT
    Write-Host "Connecting..."
    rasdial.exe xxxVPN vpnUsername vpnPassword12345
}