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Date: Thu, 29 Sep 2005 03:49:05 +0400
From: Yar Tikhiy <yar@comp.chem.msu.su>
To: Peter Jeremy <PeterJeremy@optushome.com.au>
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Cc: freebsd-arch@freebsd.org, Max Laier <max@love2party.net>
Subject: Re: Bridges
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On Thu, Sep 29, 2005 at 04:47:32AM +1000, Peter Jeremy wrote:
> 
> The problem is that the current bridge code only considers the MAC
> address for forwarding.  When VLANs are in use, this is incorrect as
> both the MAC address and VLAN tag must be considered.  The difference
> is crucial when you have the same MAC address appearing in multiple
> VLANs.  This can occur when using DECnet Phase IV or Solaris with
> Cassini NICs - both of which have a per-host MAC address rather than a
> per-NIC MAC address.

FWIW, this sounds quite reasonable to me.  Indeed, there is plenty
of good and not-so-good reasons for the same MAC address to appear
on different VLANs, and it seems a licit case.

-- 
Yar