From 3f6525c1ab0fd3f704ab8e23f935c475c3cbd16c Mon Sep 17 00:00:00 2001
From: Renato Botelho <garga@FreeBSD.org>
Date: Thu, 6 Nov 2014 08:30:50 -0200
Subject: [PATCH] Make sure srcip has scope when it's link-local. Should fix
 #3969

---
 etc/inc/gwlb.inc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/etc/inc/gwlb.inc b/etc/inc/gwlb.inc
index e32bea059..35fde30db 100644
--- a/etc/inc/gwlb.inc
+++ b/etc/inc/gwlb.inc
@@ -214,7 +214,11 @@ EOD;
 					$gwifip = find_interface_ipv6($gateway['interface'], true);
 				}
 			}
-							
+
+			/* Make sure srcip has scope defined when it's ll */
+			if (is_linklocal($gwifip) && !strstr($gwifip, '%'))
+				$gwifip .= '%' . $gateway['interface'];
+
 			if (!is_ipaddrv6($gwifip))
 				continue; //Skip this target