netdev - Re: why are IPv6 addresses removed on link down

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Message-ID: <54B5504F.2020200@6wind.com>
Date:	Tue, 13 Jan 2015 18:05:19 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	David Ahern <dsahern@...il.com>
CC:	YOSHIFUJI Hideaki <hideaki.yoshifuji@...aclelinux.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: why are IPv6 addresses removed on link down

Le 13/01/2015 16:00, Hannes Frederic Sowa a écrit :
[snip]
>
> This was already discussed several times here, e.g. one patch I just
> found:
>
> http://lists.openwall.net/netdev/2011/01/24/8
> and
> http://patchwork.ozlabs.org/patch/17558/
>
> Albeit I hate sysctls for things like this, it might I tend to find it
> acceptable because it solves a problem which happened to lots of people.
> And I don't like the current behavior neither.
>
> I think this can work, but we should follow up all the old discussions
> to not introduce any kind of new undesired behavior this time.
If I remember well, one of the problem was that it was not possible anymore to
unload the IPv6 module after the patches. But since commit 8ce440610357 ("ipv6:
do not allow ipv6 module to be removed"), it's not possible anymore.
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