From owner-freebsd-questions Thu Nov 9 11:17:53 2000 Delivered-To: freebsd-questions@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id D11DB37B4D7 for ; Thu, 9 Nov 2000 11:17:48 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id eA9JGvf00955; Thu, 9 Nov 2000 11:16:57 -0800 (PST) Date: Thu, 9 Nov 2000 11:16:57 -0800 From: Alfred Perlstein To: nathan Cc: "John E. Adams" , freebsd-questions@FreeBSD.ORG Subject: Re: Packet size Message-ID: <20001109111657.R5112@fw.wintelcom.net> References: <7C33AF2A208FD411B53100D0B789776507F5F4@ntbartow.pcs.polksheriff.org> <3A0ACE84.14E2FD3E@telecom.ksu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.4i In-Reply-To: <3A0ACE84.14E2FD3E@telecom.ksu.edu>; from beemern@telecom.ksu.edu on Thu, Nov 09, 2000 at 10:19:16AM -0600 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * nathan [001109 08:20] wrote: > from what i've found, and without knowing which specific regedit you ran, its most > likely a modification of > the RWIN. > > --snip-- > Windows 98 has some improvements in the TCP/IP, including Large Window support ( the > 'DefaultRcvWindow' has a maximum value of 2**30 rather than 64K), > support for Selective > Acknowledgments (SACK) and support for Fast Retransmission and > Fast Recovery. > --snip-- > > However, I don't know where this is managed in fbsd. thought maybe some clarification > might help find some folks more knowledgeable. > so basically, maybe the question should be more like: > > how do you tweak TCP under freebsd? FreeBSD doesn't support Selective ACK right now, but large windows and some other tweaks are supported, I think you want to mess with either the net.inet.tcp.rfc1323 or net.inet.tcp.rfc1644 to tweak those types of options. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message