From owner-freebsd-hackers Mon Jan 11 02:32:59 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id CAA12412 for freebsd-hackers-outgoing; Mon, 11 Jan 1999 02:32:59 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id CAA12399 for ; Mon, 11 Jan 1999 02:32:51 -0800 (PST) (envelope-from luigi@labinfo.iet.unipi.it) Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id JAA19799; Mon, 11 Jan 1999 09:19:08 +0100 From: Luigi Rizzo Message-Id: <199901110819.JAA19799@labinfo.iet.unipi.it> Subject: Re: TCP bug report for FreeBSD-2.2.6 To: kjc@csl.sony.co.jp (Kenjiro Cho) Date: Mon, 11 Jan 1999 09:19:07 +0100 (MET) Cc: aron@cs.rice.edu, freebsd-hackers@FreeBSD.ORG In-Reply-To: <199901111020.TAA13847@hotaka.csl.sony.co.jp> from "Kenjiro Cho" at Jan 11, 99 07:19:47 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Mohit Aron said: > >> I'm using FreeBSD-2.2.6. I've discovered that the TCP implementation has a > >> nasty bug that can cause problems in general for any TCP connection with > >> respect to the end and receive buffer sizes used by a connection. The latter > >> are important for fully utilizing the bandwidth (long fat pipes). I'll outline > >> the problem below. > > This is a well-known problem since 2.1. It was fixed in -current long > time ago but the fix didn't go into -stable. > I've been using the following patch to enable SO_SNDBUF/SO_RCVBUF. As > a side-effect, it disables copying the pipesize in the route. how about putting this in RELENG_2_2 ? luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message