From owner-freebsd-doc Sun Jul 16 6:32:22 2000 Delivered-To: freebsd-doc@freebsd.org Received: from pawn.primelocation.net (pawn.primelocation.net [205.161.238.235]) by hub.freebsd.org (Postfix) with ESMTP id D958637B614; Sun, 16 Jul 2000 06:32:19 -0700 (PDT) (envelope-from jedgar@fxp.org) Received: by pawn.primelocation.net (Postfix, from userid 1003) id D57689B1C; Sun, 16 Jul 2000 09:32:18 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by pawn.primelocation.net (Postfix) with ESMTP id C8DD7BA11; Sun, 16 Jul 2000 09:32:18 -0400 (EDT) Date: Sun, 16 Jul 2000 09:32:18 -0400 (EDT) From: "Chris D. Faulhaber" X-Sender: jedgar@pawn.primelocation.net To: Ben Smithurst Cc: doc@FreeBSD.org Subject: Re: Suggested addition to PPP FAQ - solution for Macintoshes and Black Hole DSL routers In-Reply-To: <20000716141850.U84045@strontium.scientia.demon.co.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-doc@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, 16 Jul 2000, Ben Smithurst wrote: > Chris D. Faulhaber wrote: > > > > > - Why do my Windows 98 connections freeze when I run PPPoE on the gateway > > + Why do Mac and Windows 98 connections freeze when running PPPoE on the gateway > > > > I think I'd say "MacOS" instead of "Mac" here. > Agreed > > > > - This is due to what's called a "Black Hole" router. Windows 98 (and > > - maybe other Microsoft OSs) is sending TCP packets with a requested > > - segment size too big to fit into a PPPoE frame (MTU is 1500 by default > > - for ethernet) and have the "don't fragment" > > - bit set (default of TCP) and the Telco router is not sending ICMP "must > > + This is due to what's called a "Black Hole" router. MacOS and Windows 98 > > + (and maybe other Microsoft OSs) send TCP packets with a requested segment > > + size too big to fit into a PPPoE frame (MTU is 1500 by default for > > + ethernet) and have the "don't fragment" bit > > + set (default of TCP) and the Telco router is not sending ICMP "must > > I've reorganised that so fewer lines are changed (I think it's easier > for translators that way). > > ... > > - This is due to what's called a "Black Hole" router. Windows 98 (and > - maybe other Microsoft OSs) is sending TCP packets with a requested > + This is due to what's called a "Black Hole" router. MacOS and Windows 98 (and > + maybe other Microsoft OSs) send TCP packets with a requested > segment size too big to fit into a PPPoE frame (MTU is 1500 by default > ... > > I'll commit your patch soon unless anyone objects, or you'd rather do it > yourself. It's a bit better than the patch I created was, anyway. :-) > Go ahead and take care of it. ----- Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org -------------------------------------------------------- FreeBSD: The Power To Serve - http://www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message