From owner-freebsd-hackers Sun Apr 26 23:28:57 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA26153 for freebsd-hackers-outgoing; Sun, 26 Apr 1998 23:28:57 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from whistle.com (s205m131.whistle.com [207.76.205.131]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id XAA26147 for ; Sun, 26 Apr 1998 23:28:54 -0700 (PDT) (envelope-from archie@whistle.com) Received: (from smap@localhost) by whistle.com (8.7.5/8.6.12) id XAA27185; Sun, 26 Apr 1998 23:28:15 -0700 (PDT) Received: from bubba.whistle.com(207.76.205.7) by whistle.com via smap (V1.3) id sma027183; Sun Apr 26 23:28:14 1998 Received: (from archie@localhost) by bubba.whistle.com (8.8.7/8.6.12) id XAA28527; Sun, 26 Apr 1998 23:28:14 -0700 (PDT) From: Archie Cobbs Message-Id: <199804270628.XAA28527@bubba.whistle.com> Subject: Re: FreeBSD HA configuration / Ethernet address takeover In-Reply-To: <199804251913.MAA00572@antipodes.cdrom.com> from Mike Smith at "Apr 25, 98 12:13:57 pm" To: mike@smith.net.au (Mike Smith) Date: Sun, 26 Apr 1998 23:28:13 -0700 (PDT) Cc: hans@artcom.de, freebsd-hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Mike Smith writes: > > Looking at the ifconfig manpage, I could not find a general way to set a > > Ethernet card's MAC address. Is there a documented solution to this > > problem? If not, would adding such functionality be problematic? > > Many network adapters sold into the PC market do not allow the MAC > address to be changed from the factory-assigned value. Because of > this, FreeBSD does not offer the facility to change the address (as it > wouldn't be a general solution). But for those cards that don't support it, FreeBSD could "spoof" it by putting the card in promiscuous mode and filtering destination Ethernet address in software. Although inefficient, it would work.. -Archie ___________________________________________________________________________ Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message