netdev - Re: [Patch net] bridge: do not expire mdb entry when bridge still uses it

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Message-ID: <20130308112438.GA29924@gondor.apana.org.au>
Date:	Fri, 8 Mar 2013 19:24:38 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Cong Wang <amwang@...hat.com>
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>,
	Adam Baker <linux@...er-net.org.uk>
Subject: Re: [Patch net] bridge: do not expire mdb entry when bridge still
 uses it

On Fri, Mar 08, 2013 at 03:26:21PM +0800, Cong Wang wrote:
>
> Hmm, what the user experiences is the multicast traffic between the
> bridge and some port is broken. Isn't this expected to work by default?

Oh I'm not arguing that this isn't a bug.  I'm trying to ensure
that we come up with the right fix.

> Or we can just change the default value of br->multicast_router to 2?

No because that will cause all sorts of stuff to be thrown at
the host.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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