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From 028524317d8d0011ed38e86e507a06738a5b5a97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Mon, 26 Oct 2015 17:06:12 +0100
Subject: [PATCH] ifupdown: pass interface device name for ipv6 route commands
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
IPv6 routes need the device argument for link-local routes, or they
cannot be used at all. E.g. "gateway fe80::def" seems to be used in
some places, but kernel refuses to insert the route unless device
name is explicitly specified in the route addition.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
networking/ifupdown.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 7c45e89..d477ff6 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -394,8 +394,8 @@ static int FAST_FUNC static_up6(struct interface_defn_t *ifd, execfn *exec)
# if ENABLE_FEATURE_IFUPDOWN_IP
result = execute("ip addr add %address%/%netmask% dev %iface%[[ label %label%]]", ifd, exec);
result += execute("ip link set[[ mtu %mtu%]][[ addr %hwaddress%]] %iface% up", ifd, exec);
- /* Was: "[[ ip ....%gateway% ]]". Removed extra spaces w/o checking */
- result += execute("[[ip route add ::/0 via %gateway%]][[ metric %metric%]]", ifd, exec);
+ /* Reportedly, IPv6 needs "dev %iface%", but IPv4 does not: */
+ result += execute("[[ip route add ::/0 via %gateway% dev %iface%]][[ metric %metric%]]", ifd, exec);
# else
result = execute("ifconfig %iface%[[ media %media%]][[ hw %hwaddress%]][[ mtu %mtu%]] up", ifd, exec);
result += execute("ifconfig %iface% add %address%/%netmask%", ifd, exec);
@@ -421,7 +421,8 @@ static int FAST_FUNC v4tunnel_up(struct interface_defn_t *ifd, execfn *exec)
"%endpoint%[[ local %local%]][[ ttl %ttl%]]", ifd, exec);
result += execute("ip link set %iface% up", ifd, exec);
result += execute("ip addr add %address%/%netmask% dev %iface%", ifd, exec);
- result += execute("[[ip route add ::/0 via %gateway%]]", ifd, exec);
+ /* Reportedly, IPv6 needs "dev %iface%", but IPv4 does not: */
+ result += execute("[[ip route add ::/0 via %gateway% dev %iface%]]", ifd, exec);
return ((result == 4) ? 4 : 0);
}
--
2.6.1
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