netdev - Re: [RFC] ethernet: avoid pre-assigned OUI values in random_ether

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Message-ID: <1305332905.8149.705.camel@tardy>
Date:	Fri, 13 May 2011 17:28:25 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC] ethernet: avoid pre-assigned OUI values in
 random_ether_addr

On Fri, 2011-05-13 at 17:17 -0700, Stephen Hemminger wrote:
> There are some addresses in the assigned vendor block that don't obey
> the locally assigned convention. These should be avoided by random_ether_addr
> assignment.

How "recent" are these violations?  Is there really a non-trivial chance
of colliding?  Much more than two or more stations in the same broadcast
domain randomly picking the same random MAC anyway?

At one level, avoiding using those OUIs seems to be a tacit approval of
the violations.

rick jones

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