Is that 11xx xxxx as in local group address or xxxx xx00 as in universal
unicast?

Tom Petch

-----Original Message-----
From: Adam Roach <[EMAIL PROTECTED]>
To: 'Theodore Ts'o' <[EMAIL PROTECTED]>; Brett Thorson <[EMAIL PROTECTED]>
Cc: [EMAIL PROTECTED] <[EMAIL PROTECTED]>; [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: 20 November 2003 17:23
Subject: RE: IETF58 - Network Facts


>Theodore Ts'o wrote:
>
>> Would it be possible to publish a list of MAC addresses that were
>> operating in ad-hoc or AP mode?  If all of the happened to come from a
>> signle manufacturer, that might be a very interesting data point.
>
>A lot -- possibly even a majority -- of the cards I saw operating in
>ad-hoc mode were using mac address prefixes that aren't assigned
>to any manufacturer by the IEEE [1]. Many started with the octet "C0".
>I even saw a card in ad-hoc mode with a MAC address of FF:FF:FF::FF:FF:FF.
>


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