From owner-freebsd-net Thu Jun 15 19:12:46 2000 Delivered-To: freebsd-net@freebsd.org Received: from sabre.velocet.net (sabre.velocet.net [198.96.118.66]) by hub.freebsd.org (Postfix) with ESMTP id 283E537B68C for ; Thu, 15 Jun 2000 19:12:40 -0700 (PDT) (envelope-from dgilbert@office.tor.velocet.net) Received: from office.tor.velocet.net (trooper.velocet.net [216.126.82.226]) by sabre.velocet.net (Postfix) with ESMTP id 3842E137FBE; Thu, 15 Jun 2000 22:12:38 -0400 (EDT) Received: (from dgilbert@localhost) by office.tor.velocet.net (8.9.3/8.9.3) id WAA54608; Thu, 15 Jun 2000 22:12:38 -0400 (EDT) (envelope-from dgilbert) From: David Gilbert MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <14665.36117.612647.826276@trooper.velocet.net> Date: Thu, 15 Jun 2000 22:12:37 -0400 (EDT) To: "Patrick Bihan-Faou" Cc: "David Gilbert" , Subject: Re: "frag-anyways" knob. In-Reply-To: <010701bfd718$5917c460$040aa8c0@local.mindstep.com> References: <14664.60992.300592.147710@trooper.velocet.net> <010701bfd718$5917c460$040aa8c0@local.mindstep.com> X-Mailer: VM 6.75 under 20.4 "Emerald" XEmacs Lucid Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >>>>> "Patrick" == Patrick Bihan-Faou writes: Patrick> Hi, Is your problem related to the PPPoE bug that some people Patrick> face where windows machine behind a NAT FreeBSD box seem to Patrick> not be able to reach some web sites but do fine with others ? This is related (we have to deal with PPPoE as well), but there are other technologies (VLAN and ATM) that are causing us heartburn at the momment. Patrick> I am working on a patch for natd/libalias that modifies the Patrick> MSS option for outbound TCP packets and sets that to a value Patrick> acceptable for the PPPoE link. This means that you don't Our experience is that not all TCP stacks are listening to MSS. Still other applications (many online games) _depend_ on 1500 byte packets. I think that the MSS hack is cool --- it would definately address the small drop in efficiency that frag-anyways would create, but I still believe the frag-anyways to be necessary due to the number of broken protocols out there. Patrick> I am currently testing the hack at my friends place, once I Patrick> get it working I'll submit the patch. Let me know if you want Patrick> to use it. I would appretiate a copy, yes. Dave. -- ============================================================================ |David Gilbert, Velocet Communications. | Two things can only be | |Mail: dgilbert@velocet.net | equal if and only if they | |http://www.velocet.net/~dgilbert | are precisely opposite. | =========================================================GLO================ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message