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Date:      Mon, 24 Jan 2011 11:45:21 -0800
From:      Chuck Swiger <>
To:        Fred <>
Subject:   Re: Changing the MAC address on a LAN adapter
Message-ID:  <>
In-Reply-To: <>
References:  <20110123023834.19098.qmail@joyce.lan> <> <alpine.BSF.2.00.1101230946080.93018@joyce.lan> <> <> <>

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On Jan 24, 2011, at 10:44 AM, Fred wrote:
> Ethernet MAC addresses are assigned by the manufacturer of the equipment.  Each unit gets a unique address which generally can't be changed and shouldn't be changed.  The manufacturer buys a block of addresses from the IEEE.

Yes, although folks can set the locally administered bit in the 6-byte MAC address instead of using globally administered addresses & vendor-assigned blocks from IEEE OUI...


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