From owner-freebsd-net Sat Oct 9 14:21:21 1999 Delivered-To: freebsd-net@freebsd.org Received: from verdi.nethelp.no (verdi.nethelp.no [158.36.41.162]) by hub.freebsd.org (Postfix) with SMTP id 9673A154B2 for ; Sat, 9 Oct 1999 14:21:07 -0700 (PDT) (envelope-from sthaug@nethelp.no) Received: (qmail 64934 invoked by uid 1001); 9 Oct 1999 21:21:00 +0000 (GMT) To: aron@cs.rice.edu Cc: freebsd-net@freebsd.org, justin@apple.com, alc@cs.rice.edu, wollman@khavrinen.lcs.mit.edu Subject: Re: arp errors on machines with two interfaces From: sthaug@nethelp.no In-Reply-To: Your message of "Sat, 9 Oct 1999 16:02:57 -0500 (CDT)" References: <199910092102.QAA11299@cs.rice.edu> X-Mailer: Mew version 1.05+ on Emacs 19.34.2 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Date: Sat, 09 Oct 1999 23:20:59 +0200 Message-ID: <64932.939504059@verdi.nethelp.no> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > Try to think of it in terms of a traditional coax-based Ethernet, and > > having two NICs on one host connected to the same physical Ethernet > > cable. Would you expect this to work? (You shouldn't.) > > > Well with the traditional Ethernet, it didn't make much sense to connect > multiple interfaces to the same wire - you don't expect both interfaces > together to deliver any more than 10Mbps. However, with switched Ethernet, > both interfaces can deliver the full b/w. So why not get the advantages of > getting this higher b/w as well as full one on one connectivity between > hosts connected to the Ethernet ? - Because getting the advantage of this higher bandwidth requires special support (e.g. Fast Etherchannel or other forms of load balancing/bundling) that FreeBSD doesn't currently have in the standard configuration. It would require considerably more than just removing one error message to support this properly. - Because the error message is a valuable piece of information which tells you the system has detected something that "shouldn't happen", and which most people would indeed consider an error. Steinar Haug, Nethelp consulting, sthaug@nethelp.no To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message