From owner-freebsd-net@FreeBSD.ORG  Fri May 26 23:45:12 2006
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Date: Fri, 26 May 2006 23:40:28 +0000 (UTC)
From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
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To: Michael Jeung <mjeung@cisdata.net>
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Cc: freebsd-net@freebsd.org
Subject: Re: "Private" MAC Addresses
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On Fri, 26 May 2006, Michael Jeung wrote:

> Hi folks,
>
> I'm interested in assigning a bunch of virtual MAC addresses on my network 
> but I want to make sure that I'm not conflicting with MAC addresses that are 
> already out there.
>
> (I've already taken a look at this nice resource: 
> http://www.cavebear.com/CaveBear/Ethernet/vendor.html)
>
> Are there any MAC address ranges which are reserved as private?  I'm talking

look at http://standards.ieee.org/regauth/groupmac/tutorial.html and
check for the locally administered bit.

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT