From 035a5e013f87478d4c4bbabbe04930e265da52ca Mon Sep 17 00:00:00 2001
From: Seth Mos <seth.mos@xs4all.nl>
Date: Fri, 18 Dec 2009 21:13:32 +0100
Subject: Remove the existing default route before when can add a new one,
 check when it differs from the existing one

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

diff --git a/etc/inc/system.inc b/etc/inc/system.inc
index 75ea2de..7460f5a 100644
--- a/etc/inc/system.inc
+++ b/etc/inc/system.inc
@@ -308,6 +308,10 @@ function system_routing_configure() {
 				}
 			}
 			if(($interfacegw <> "bgpd") && (is_ipaddr($gatewayip))) {
+				preg_match("/default[ ]+([0-9].*?)[ ]+/i", $route_str, $elements);
+				if(trim($elements[1]) != "$gatewayip") {
+					mwexec("/sbin/route delete default " . escapeshellarg($gatewayip), false);
+				}
 				mwexec("/sbin/route add default " . escapeshellarg($gatewayip), true);
 			}
 		} else {
-- 
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