From 412a9cd026ec2271f035f23e040ea01f59a76030 Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@pfsense.org>
Date: Fri, 24 Jun 2016 01:35:16 -0500
Subject: Include interface scope on IPv6 static routes to link local gateway
 IPs. Ticket #6506

---
 src/etc/inc/system.inc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/etc/inc/system.inc b/src/etc/inc/system.inc
index 4f81d80..6e43c8d 100644
--- a/src/etc/inc/system.inc
+++ b/src/etc/inc/system.inc
@@ -745,6 +745,10 @@ function system_staticroutes_configure($interface = "", $update_dns = false) {
 
 				if (is_subnet($ip)) {
 					if (is_ipaddr($gatewayip)) {
+						if (is_linklocal($gatewayip) == "6" && !strpos($gatewayip, '%')) {
+							// add interface scope for link local v6 routes
+							$gatewayip .= "%$interfacegw";
+						}
 						mwexec($cmd . escapeshellarg($gatewayip));
 						if (isset($config['system']['route-debug'])) {
 							$mt = microtime();
-- 
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