netdev - Re: possible bug in IPv6 MLD retransmissions

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Message-ID: <20130522212127.GF17259@obelix.rh>
Date:	Wed, 22 May 2013 18:21:27 -0300
From:	Flavio Leitner <fbl@...hat.com>
To:	David Stevens <dlstevens@...ibm.com>
Cc:	David Miller <davem@...emloft.net>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	netdev@...r.kernel.org, netdev-owner@...r.kernel.org,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>
Subject: Re: possible bug in IPv6 MLD retransmissions

On Wed, May 22, 2013 at 02:24:34PM -0400, David Stevens wrote:
> Flavio Leitner <fbl@...hat.com> wrote on 05/22/2013 01:27:11 PM:
> 
> > It becomes a bug (and that's why I started with 'possible') if dad
> > completes after the two MLD reports sent with ``::'' source, because
> > routers will ignore those initial reports and the system is left out.
> 
> No, unsolicited reports are not necessary for MLD. If there are no
> other listeners for a group, the reports will be triggered within
> one query interval after a valid LL addr is there.

Agreed that they aren't necessary, but I also don't think it's
a good solution to wait for the query interval.

-- 
fbl
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