netdev - [RFC] IPv6 route replacement

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Message-ID: <20090722095040.GC3517@psychotron.englab.brq.redhat.com>
Date:	Wed, 22 Jul 2009 11:50:41 +0200
From:	Jiri Pirko <jpirko@...hat.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, pekkas@...core.fi, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net
Subject: [RFC] IPv6 route replacement

Hello guys.

I would like to hear your opinion on the following:

[root@f11 ~]# ip -6 route list 3ffe::1:1
[root@f11 ~]# ip -6 route add 3ffe::1:1 via fe80::20c:29ff:fe4c:3108 dev eth0 metric 1024
[root@f11 ~]# ip -6 route list 3ffe::1:1
3ffe::1:1 via fe80::20c:29ff:fe4c:3108 dev eth0  metric 1024  mtu 1500 advmss 1440 hoplimit 4294967295
[root@f11 ~]# ip -6 route change 3ffe::1:1 via fe80::20c:29ff:fe4c:3108 dev eth0 metric 100
[root@f11 ~]# ip -6 route list 3ffe::1:1
3ffe::1:1 via fe80::20c:29ff:fe4c:3108 dev eth0  metric 100  mtu 1500 advmss 1440 hoplimit 4294967295
3ffe::1:1 via fe80::20c:29ff:fe4c:3108 dev eth0  metric 1024  mtu 1500 advmss 1440 hoplimit 4294967295
[root@f11 ~]#

Now do you think this is the right behaviour? I would expect the first route to
be replaced. The same result is when you do "ip -6 route replace"

Thanks

Jirka
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