From owner-freebsd-hackers Fri May 14 21:45:33 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from obie.softweyr.com (unknown [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id E7DDC14E6F for ; Fri, 14 May 1999 21:45:30 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from softweyr.com ([204.68.178.224]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id WAA03737; Fri, 14 May 1999 22:45:08 -0600 (MDT) (envelope-from wes@softweyr.com) Message-ID: <373CFBD3.6A3E954C@softweyr.com> Date: Fri, 14 May 1999 22:45:07 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.5 [en] (X11; U; FreeBSD 3.1-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Greg Lehey Cc: David Scheidt , Dan Nelson , "Mark J. Taylor" , Daniel Eischen , freebsd-hackers@FreeBSD.ORG Subject: Re: ifconfig: changing mac address References: <19990515121747.N89091@freebie.lemis.com> <19990515122826.O89091@freebie.lemis.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Greg Lehey wrote: > > OK, now maybe I'm missing something here. But an Ethernet address is > used to identify a board. Arp binds it to an IP address. An IP > address is bound to a network. So if you're on a different network, > you get a different IP address. Why do you need the same Ethernet > address? > > This is very different from having two boards on the same network, > both with the same Ethernet address. As I observed earlier, that does > make sense, but it's a hot standby situation. I can't see any point > in arranging for both of them to accept or send data. Redundancy and throughput both. Most switches can do this; using two physical ports as one logical link. Think of it as network link striping. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC http://www.softweyr.com/~softweyr wes@softweyr.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message