From: David Miller <davem@davemloft.net>
To: herbert@gondor.hengli.com.au
Cc: netdev@vger.kernel.org
Subject: Re: [0/3] bridge: Do not send multicast queries by default
Date: Sun, 15 Apr 2012 12:52:25 -0400 (EDT) [thread overview]
Message-ID: <20120415.125225.1400564852542689459.davem@davemloft.net> (raw)
In-Reply-To: <20120413123641.GA758@gondor.apana.org.au>
From: Herbert Xu <herbert@gondor.hengli.com.au>
Date: Fri, 13 Apr 2012 20:36:41 +0800
> This series of patches is aimed to change the default multicast
> snooping behaviour to one that is safer to deploy in the wild.
>
> There have been numerous reports of switches misbehaving with
> our current behaviour of sending general queries, presumably
> because we're using a zero source IP address which is unavoidable
> as using anything else would interfere with multicast querier
> elections (incidentally, I noticed that our IPv6 code has been
> "fixed" to not use zero source addresses, which is wrong as we
> may end up being THE MLD querier in a network).
>
> Since our queries aren't actually required for multicast snooping
> to function, but is merely an optimisation mostly for faster
> start-up convergence, I think we should disable this by default.
All applied to net-next, thanks Herbert.
prev parent reply other threads:[~2012-04-15 16:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-13 12:36 [0/3] bridge: Do not send multicast queries by default Herbert Xu
2012-04-13 12:37 ` [PATCH 1/3] bridge: Add br_multicast_start_querier Herbert Xu
2012-04-13 12:37 ` [PATCH 3/3] bridge: Add multicast_querier toggle and disable queries by default Herbert Xu
2012-04-13 12:37 ` [PATCH 2/3] bridge: Restart queries when last querier expires Herbert Xu
2012-04-13 14:53 ` [0/3] bridge: Do not send multicast queries by default David Miller
2012-04-15 11:13 ` Herbert Xu
2012-04-15 16:50 ` David Miller
2013-04-03 15:28 ` Linus Lüssing
2012-04-15 16:52 ` David Miller [this message]
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