From owner-freebsd-questions@FreeBSD.ORG  Sat Jun  7 11:31:11 2003
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id A70CD37B401
	for <questions@freebsd.org>; Sat,  7 Jun 2003 11:31:11 -0700 (PDT)
Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101])
	by mx1.FreeBSD.org (Postfix) with ESMTP id F17A443F93
	for <questions@freebsd.org>; Sat,  7 Jun 2003 11:31:10 -0700 (PDT)
	(envelope-from dan@dan.emsphone.com)
Received: (from dan@localhost)
	by dan.emsphone.com (8.12.9/8.12.9) id h57IUAeP074110;
	Sat, 7 Jun 2003 13:30:10 -0500 (CDT)
	(envelope-from dan)
Date: Sat, 7 Jun 2003 13:30:10 -0500
From: Dan Nelson <dnelson@allantgroup.com>
To: Adam Maas <mykroft@explosive.mail.net>
Message-ID: <20030607183010.GA25585@dan.emsphone.com>
References: <15347.1054924369@www66.gmx.net> <3EE21EB4.9465.152854A@localhost>
	<052301c32d09$3b485ea0$7419cdcd@mykroft.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <052301c32d09$3b485ea0$7419cdcd@mykroft.com>
X-OS: FreeBSD 5.1-BETA
X-message-flag: Outlook Error
User-Agent: Mutt/1.5.4i
cc: questions@freebsd.org
cc: Shantanu Mahajan <freebsd@dhumketu.cjb.net>
cc: mfromwald@gmx.at
Subject: Re: set of ethernet adress on boot
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 07 Jun 2003 18:31:11 -0000

In the last episode (Jun 07), Adam Maas said:
> > > +-- Moritz Fromwald [freebsd] [06-06-03 20:32 +0200]:
> > > | Is it possible to set the ethernet adress automatically at boot time
> > > before | dhclient attempts to contact a DHCP? | thx & regards | |
> > > moritz fromwald
> > >  yes. btw, why r u running dhclient if u r using static
> > >  ip?
> >
> > Hello,
> > Well, I need to set the MAC adress before I contact
> > the DHCP!
> > regards
> > moe
>
> You can't set the MAC address, that's hard coded into the card. MAC
> Addresses are unique 48 bit ID's, no 2 cards have the same MAC, and it is
> assigned at the factory.

Lots of NICs do allow you to change the MAC address on the fly:

ifconfig fxp0 ether 01:02:03:04:05:06

-- 
	Dan Nelson
	dnelson@allantgroup.com