netdev - Re: [PATCH] bridge: revisit IEEE 802 local multicast groups

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Message-ID: <20110701092612.07b045bf@nehalam.ftrdhcpuser.net>
Date:	Fri, 1 Jul 2011 09:26:12 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	David Lamparter <equinox@...c24.net>
Cc:	netdev@...r.kernel.org, Nick Carter <ncarter100@...il.com>
Subject: Re: [PATCH] bridge: revisit IEEE 802 local multicast groups

On Fri,  1 Jul 2011 13:12:50 +0200
David Lamparter <equinox@...c24.net> wrote:

> this first and foremost fixes handling of bonding frames, which were
> incorrectly forwarded until now. they need to never cross a bridge.
> 
> it also introduces a new switch to control handling of the other
> not-that-special groups; if you want them forwarded despite having
> STP running, there's a sysfs knob for that. you can implement your
> local policy with ebtables then.
> 
> in the end, we now match hardware switch behaviour rather closely, but
> still additionally allow playing tricks on things like 802.1X.
> 
> Signed-off-by: David Lamparter <equinox@...c24.net>
> Cc: Stephen Hemminger <shemminger@...ux-foundation.org>
> Cc: Nick Carter <ncarter100@...il.com>

Forwarding pause frames is wrong.

I wonder if the best solution for this crap is to just write
a userland program to do the forwarding.
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