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On Mon, 11 Feb 2002, gabriel rosenkoetter wrote:
> On Mon, Feb 11, 2002 at 11:59:10AM -0500, Paul wrote:
> > What if two people randomly choose the same MAC? Won't that
> > cause a conflict, similar to having an IP conflict?
>
> The chances of running into someone else without doing it on purpose
> are pretty slim.
bit 2 (1=lowest order) in the first octet of the 48-bit MAC address
indicates whether the address was locally (1) or globally (0) assigned. if
you choose an address where this bit is set to 1, then it will not
conflict with addresses delegated by IEEE, but it may conflict with
addresses the local admin has assigned. if the latter happens, that's
your fault :)
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