pfSense

		$dhcp6cscriptwithoutra .= "/usr/local/sbin/fcgicli -f /etc/rc.newwanipv6 -d \"interface={$wanif}&dmnames=\${dmnames}&dmips=\${dmips}&reason=\${REASON}\"\n";

		$dhcp6cscriptwithoutra .= "RENEW)\n";

			$dhcp6cscriptwithoutra .= "/usr/bin/logger -t dhcp6c \"dhcp6c renew on {$wanif}\"\n";

		}

		$dhcp6cscriptwithoutra .= "/usr/local/sbin/fcgicli -f /etc/rc.newwanipv6 -d \"interface={$wanif}&dmnames=\${dmnames}&dmips=\${dmips}&reason=\${REASON}\"\n";

		$dhcp6cscriptwithoutra .= ";;\n";

		$dhcp6cscriptwithoutra .= "INFO)\n";

		if ($debugOption == '-D') {

			$dhcp6cscriptwithoutra .= "/usr/bin/logger -t dhcp6c \"dhcp6c info request on {$wanif}, no changes\"\n";

			$dhcp6cscript .= "/usr/local/sbin/fcgicli -f /etc/rc.newwanipv6 -d \"interface={$wanif}&dmnames=\${dmnames}&dmips=\${dmips}&reason=\${REASON}\"\n";

			$dhcp6cscript .= ";;\n";

			$dhcp6cscript .= "RENEW)\n";

			if ($debugOption == '-D') {

				$dhcp6cscript .= "/usr/bin/logger -t dhcp6c \"dhcp6c renew on {$wanif}\"\n";

			}

			$dhcp6cscript .= "/usr/local/sbin/fcgicli -f /etc/rc.newwanipv6 -d \"interface={$wanif}&dmnames=\${dmnames}&dmips=\${dmips}&reason=\${REASON}\"\n";

			$dhcp6cscript .= "INFO)\n";

				$dhcp6cscript .= "/usr/bin/logger -t dhcp6c \"dhcp6c info request on {$wanif}, no changes\"\n";

if (isset($_GET['reason'])) {

	$reason = $_GET['reason'];

} else {

	$reason = getenv("REASON");

}

if ((strtolower($reason) == "renew") &&

    file_exists("{$g['vardb_path']}/{$interface}_ipv6")) {

	/* Compare current WAN IPv6 to file */

	$old_ipv6 = chop(file_get_contents("/var/db/${interface}_ipv6"));

	if (is_ipaddrv6($old_ipv6) && ($old_ipv6 != $curwanipv6)) {

		log_error("rc.newwanipv6: IPv6 address changed for interface {$interface_descr} [{$interface}] (Old: {$old_ipv6}, New: {$curwanipv6}).");

	} else {

		log_error("rc.newwanipv6: No change in IPv6 address for interface {$interface_descr} [{$interface}]: {$curwanipv6}.");

		return;

	}

}