Date: Thu, 08 Oct 1998 05:57:21 -0500 From: "Jeffrey J. Mountin" <jeff-ml@mountin.net> To: Bill Fumerola <billf@chc-chimes.com> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: IP Load balancing Message-ID: <3.0.3.32.19981008055721.00fff15c@207.227.119.2> In-Reply-To: <Pine.HPP.3.96.981007102658.563A-100000@hp9000.chc-chimes.c om> References: <3.0.3.32.19981006220817.00f7f3d4@207.227.119.2>
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At 10:28 AM 10/7/98 -0400, Bill Fumerola wrote: >>From the bottom up. > >Layer 2 - Switching by MAC >Layer 3 - Switching by IP (router, sorta) >Layer 4 - Switching by TCP/UDP port, which makes no sense to me. Maybe it's just me or it's just how it works in a typical net environment, but for all practical purposes layer 2 and layer3 switching are the same. Most switches are layer 2, AFAIK. When running TCP/IP, machines on thet network use arp to map the IP to the MAC. Only worth mentioning since recently I did some checking on what Cicso offered with their various models and I couldn't find any reference on the differences between layer 2 and layer 3. Not my money, but paying more for a feature without any details on the benefits... Also gives reason to your comment on the layer 3. Jeff Mountin - Unix Systems TCP/IP networking jeff@mountin.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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