{
    my $device = $pppoe{PhysicalInterface} || "eth1";
    $OUT .= "/sbin/ifconfig $device up mtu 1500\n";
    $OUT .= "/sbin/modprobe ppp_generic\n";
    $OUT .= "/sbin/modprobe ppp_async\n";
    $OUT .= "/sbin/modprobe ppp_synctty\n";
    $OUT .= "DEVICE=$device";
}