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Date:	Thu, 5 Jun 2008 11:48:24 -0700
From:	David Stevens <dlstevens@...ibm.com>
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	netdev@...r.kernel.org
Subject: Re: multicast with multiple devices

No, multicast routing requires knowledge of group
membership information on remote networks, which
is the job of multicast routing protocols.

If the kernel is originating a multicast packet, it needs
to select the interface, just as applications should.
Otherwise, which one it gets is arbitrary, and it matters.

                                        +-DLS

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