From owner-freebsd-questions@FreeBSD.ORG Wed Jul 30 21:20:45 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 34E6E106566C for ; Wed, 30 Jul 2008 21:20:45 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (mail.computinginnovations.com [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id D93868FC0A for ; Wed, 30 Jul 2008 21:20:44 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.14.2/8.14.2) with ESMTP id m6ULKG98021132; Wed, 30 Jul 2008 16:20:17 -0500 (CDT) (envelope-from derek@computinginnovations.com) Message-Id: <6.0.0.22.2.20080730155021.024dd828@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Wed, 30 Jul 2008 16:20:06 -0500 To: perryh@pluto.rain.com, keramida@ceid.upatras.gr From: Derek Ragona In-Reply-To: <488fe865.x7NyNic2A5pcZPCL%perryh@pluto.rain.com> References: <488fe865.x7NyNic2A5pcZPCL%perryh@pluto.rain.com> Mime-Version: 1.0 X-Antivirus: avast! (VPS 080730-0, 07/30/2008), Outbound message X-Antivirus-Status: Clean X-Virus-Scanned: ClamAV 0.93.3/7894/Wed Jul 30 12:26:14 2008 on betty.computinginnovations.com X-Virus-Status: Clean X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: m6ULKG98021132 X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: setting the other end's TCP segment size X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jul 2008 21:20:45 -0000 At 11:04 PM 7/29/2008, perryh@pluto.rain.com wrote: > > [TCP] splits traffic to 'segments' using its own logic ... > >Is there a simple way for a FreeBSD system to cause its peer >to use a transmit segment size of, say, 640 bytes -- so that >the peer will never try to send a packet larger than that? > >I'm trying to get around a network packet-size problem. >In case it matters, the other end is SunOS 4.1.1 on a sun3, and >I've been unable to find a way to limit its packet size directly. >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >-- Just as an FYI, you might want to do: man setsockopt ro man getsockopt Each tcp conversation can have it's own size set along with a bunch of other params. -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.