Add strategic sleep commands into the configure and renewal process so that prefix delegation gets a chance to work.

2 files changed, 7 insertions, 3 deletions

diff --git a/etc/inc/interfaces.inc b/etc/inc/interfaces.inc
index e630c01..76a7df4 100644
--- a/etc/inc/interfaces.inc
+++ b/etc/inc/interfaces.inc
@@ -2981,11 +2981,9 @@ function interface_dhcpv6_configure($interface = "wan") {
 	log_error("Accept router advertisements on interface {$wanif} ");
 	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
 	mwexec("/sbin/ifconfig {$wanif} inet6 defroute_rtadv");
-	sleep(1);
+
 	/* fire up dhcp6c for IPv6 first, this backgrounds immediately */
-	sleep(1);
 	mwexec("/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf {$wanif}");
-	sleep(1);
 	exec("/sbin/rtsol -d {$wanif} 2>&1", $out, $ret);
 	if(!empty($out)) {
 		echo "Output from rtsol {$wanif}\n";
@@ -2999,6 +2997,9 @@ function interface_dhcpv6_configure($interface = "wan") {
 			}
 		}
 	}
+	/* sleep a few seconds before returning to give the client some time
+	 * to configure a lan interface with a prefix */
+	sleep(5);
 	return 0;
 }
 
diff --git a/etc/rc.newwanipv6 b/etc/rc.newwanipv6
index 32d0625..a4d6dbc 100755
--- a/etc/rc.newwanipv6
+++ b/etc/rc.newwanipv6
@@ -136,6 +136,9 @@ services_dnsupdate_process($interface);
 /* signal dyndns update */
 services_dyndns_configure($interface);
 
+/* wait for the dhcp6c process to configure the LAN interface */
+sleep(5);
+
 /* reconfigure IPsec tunnels */
 vpn_ipsec_force_reload();