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From: Boyd Stephen Smith Jr. on 7 Jan 2010 05:00
On Wednesday 06 January 2010 20:01:18 John Hasler wrote:
> Boyd Stephen Smith Jr. writes:
> > MAC addresses are not normally used for network identification outside
> > of their segment. In addition, none of the higher level protocols in
> > common use contain the MAC address in their headers.
>
> The reason being that said network segments are not necessarily Ethernet
> at all.

That wouldn't prevent some protocol from including an opaque, 64-bit
representation of the layer 1 address in it's headers, which would be a MAC
address for many IP addresses.
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Boyd Stephen Smith Jr. ,= ,-_-. =.
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