From owner-freebsd-bugs Sun Mar 10 08:39:18 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id IAA06878 for bugs-outgoing; Sun, 10 Mar 1996 08:39:18 -0800 (PST) Received: from utrhcs.cs.utwente.nl ([130.89.10.247]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id IAA06871 Sun, 10 Mar 1996 08:39:14 -0800 (PST) Received: from myrtilos.cs.utwente.nl by utrhcs.cs.utwente.nl (SMI-8.6/csrelay-SVR4_1.3/RBCS) id RAA15160; Sun, 10 Mar 1996 17:38:01 +0100 Received: from curie.cs.utwente.nl by myrtilos.cs.utwente.nl (SMI-8.6/csrelay-Sol1.4/RB) id RAA03040; Sun, 10 Mar 1996 17:37:53 +0100 Received: from localhost by curie.cs.utwente.nl (SMI-8.6/SMI-SVR4) id RAA25803; Sun, 10 Mar 1996 17:37:51 +0100 To: davidg@root.com cc: Matthew Dillon , bugs@freebsd.org, wollman@freebsd.org Subject: Re: bug in netinet/tcp_input.c In-reply-to: Your message of "Fri, 08 Mar 1996 04:41:37 PST." <199603081241.EAA00927@Root.COM> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <25801.826475869.1@curie.cs.utwente.nl> Date: Sun, 10 Mar 1996 17:37:50 +0100 Message-ID: <25802.826475870@curie.cs.utwente.nl> From: Andras Olah Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Fri, 08 Mar 1996 04:41:37 PST, David Greenman wrote: > > Specifically, the tcp_mssopt() procedure fails to use the > > rt->rt_rmx.rmx_mtu information when calculating the maximum > > segment size for outgoing connections. This results in the > > remote end sending us packets larger then we intend, messing > > up any fine tuning we tried to do with the route recvpipe/sendpipe/mtu. > > I'll pass this along, but my understanding is that the code was changed to > the way it is in order for Path MTU Discovery to work correctly with asymetric > routes (all too common in the Internet today). The change was made on Oct 13th > of last year: I share David's opinion. Andras