{
    die "Need to pass THIS_DEVICE in MORE_DATA\n" unless (defined $THIS_DEVICE);

    $ifup_this_device = "yes";

    if (exists $pppoe{status} and $pppoe{status} eq "enabled" and
	$pppoe{PhysicalInterface} eq $THIS_DEVICE)
    {
        $ifup_this_device = "no";
    }

    $is_external = (exists $ExternalInterface{Name} and
		    $ExternalInterface{Name} eq $THIS_DEVICE );

    if (($is_external) and (! %ExternalInterface))
    {
	$ifup_this_device = "no";
    }

    "";
}
