Add a knob to prefer IPv4 over IPv6, it fixes #2833

2 files changed, 13 insertions, 0 deletions

diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index 6e91eb6..69fcbf5 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -2064,4 +2064,14 @@ function get_current_theme() {
 	return $theme;
 }
 
+/* Define what is preferred, IPv4 or IPv6 */
+function prefer_ipv4_or_ipv6() {
+	global $config;
+
+	if (isset($config['system']['prefer_ipv4']))
+		mwexec("/etc/rc.d/ip6addrctl prefer_ipv4");
+	else
+		mwexec("/etc/rc.d/ip6addrctl prefer_ipv6");
+}
+
 ?>
diff --git a/etc/rc.bootup b/etc/rc.bootup
index 89a2be7..f391a27 100755
--- a/etc/rc.bootup
+++ b/etc/rc.bootup
@@ -409,6 +409,9 @@ upnp_start();
 /* If powerd is enabled, lets launch it */
 activate_powerd();
 
+/* Set preferred protocol */
+prefer_ipv4_or_ipv6();
+
 /* Remove the old shutdown binary if we kept it. */
 if (file_exists("/sbin/shutdown.old"))
 	@unlink("/sbin/shutdown.old");