{
    # vim: ft=perl:
    my $server = $ntpd{NTPServer} || '';
    return "# sync to hw clock" if $server =~ m#^\s*$#;

    if ( ($ntpd{'SupportLargeDrift'} || 'disabled') eq 'enabled' ){
        $OUT .= "tinker panic 0\n";
    }

    if ($server =~ /pool.ntp.org/)
    {
	# The 0, 1, 2, 3 prefixes ensure NTP pool round-robin
        $OUT .= "server $_.$server\n" for (0..3);
    }
    else
    {
        $OUT .= "server $server\n";
    }
}
