From owner-freebsd-net Wed Mar 24 13:47:10 1999 Delivered-To: freebsd-net@freebsd.org Received: from lms1.cyber1.net (lms1.cyber1.net [208.206.222.92]) by hub.freebsd.org (Postfix) with ESMTP id 3092114C0B for ; Wed, 24 Mar 1999 13:47:06 -0800 (PST) (envelope-from peter@cyber1.net) Received: from localhost (peter@localhost) by lms1.cyber1.net (8.8.7/8.8.7) with SMTP id QAA11009; Wed, 24 Mar 1999 16:46:31 -0500 Date: Wed, 24 Mar 1999 16:46:31 -0500 (EST) From: Peter Brezny To: Jonathan Lemon Cc: wes@softweyr.com, freebsd-net@FreeBSD.ORG Subject: Re: switch vs bridge (fwd) In-Reply-To: <199903242123.PAA11962@free.pcs> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org layer 4... my friend keith's understanding is that layer 4 switches examine actual content of ip frames. usefull for multimedia quality of service and bandwidth reservation. sort of gives atm style qos and managability to ethernet. hope that helps. pb On Wed, 24 Mar 1999, Jonathan Lemon wrote: > In article you write: > >In other words, there isn't a whole lot of difference unless you step > >up to layer three switches. > > > >These definitions taken from "The Switching Book II", from Xylan Corp. > >Download a PDF version or order your own free printed copy at: > > > > http://www.xylan.com/library/switchbook/index.html > > So where's the definition for layer-four switches? (What the heck > is a layer 4 switch anyway?) > -- > Jonathan > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message