From 66786349c713ece4d31e135839b77f76bd11c800 Mon Sep 17 00:00:00 2001
From: Christoph Vigano <mail@cvigano.de>
Date: Mon, 6 Feb 2012 20:27:34 +0100
Subject: [PATCH] fixed FS #26370

---
 src/connections/ethernet |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/src/connections/ethernet b/src/connections/ethernet
index f9c660c..c3a047f 100644
--- a/src/connections/ethernet
+++ b/src/connections/ethernet
@@ -22,6 +22,14 @@ ethernet_up() {
         fi
     fi
 
+    # FS #26370: IPv6 SLAAC address/route bug
+    # set accept_ra=0 if IP6 is set to "no", thus preventing 
+    # the interface from receiving an RA and setting an IPv6 
+    # address and respective routes which it can't renew
+    if [[ "$IP6" == "no"]]; then
+        sysctl -q -w net.ipv6.conf.$INTERFACE.disable_ipv6=1
+    fi
+
     report_debug ethernet_iproute_up ifup
     bring_interface up "$INTERFACE"
 
@@ -178,9 +186,11 @@ ethernet_up() {
             done
         fi
         ;;
-    ""|no)
+    no)
         sysctl -q -w net.ipv6.conf.$INTERFACE.accept_ra=0
         ;;
+    "") # undefined IP6 does not prevent RA's from being received -> nop
+        ;;
     *)
         report_iproute "IP6 must be 'dhcp', 'dhcp-noaddr', 'stateless', 'static' or 'no'"
         ;;
-- 
1.7.9