From owner-freebsd-questions Wed Jun 14 00:31:02 1995 Return-Path: questions-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id AAA17739 for questions-outgoing; Wed, 14 Jun 1995 00:31:02 -0700 Received: from mpp.com (mpp.Minn.Net [204.157.201.242]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id AAA17730 for ; Wed, 14 Jun 1995 00:31:00 -0700 Received: (from mpp@localhost) by mpp.com (8.6.11/8.6.9) id BAA08488; Wed, 14 Jun 1995 01:43:53 -0500 From: Mike Pritchard Message-Id: <199506140643.BAA08488@mpp.com> Subject: Re: Slip speeds on 2.0.5R To: terry@cs.weber.edu (Terry Lambert) Date: Wed, 14 Jun 1995 01:43:52 -0500 (CDT) Cc: dim@CSUA.Berkeley.EDU, freebsd-questions@freebsd.org In-Reply-To: <9506140518.AA28185@cs.weber.edu> from "Terry Lambert" at Jun 13, 95 11:18:52 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 1131 Sender: questions-owner@freebsd.org Precedence: bulk > > I recently upgraded from 1.1.5.1 to 2.0.5 and I noticed that my > > network is not as fast as it was. Ftp and mosaic are the biggest > > offenders, but it even seems noticable when running things like > > telnet. I used to get 1.3-1.6 kilobytes/sec and now I am getting > > transfer rates of something like 0.6-0.9 kilobytes/sec. Everything > > seems configured correctly (correctly for 1.1.5.1 anyhow) and > > my connection (via SLIP) works fine... It's just slower. Any ideas > > about what may be causing this or how to troubleshoot this? I've > > been using a USR 14.4 sportster, if it matters... > > There's a good paper on this out there by the X Kernel guys. They say > the 4.4 networking code is significantly slower than the 4.3, and they > tell why (and what to do about it). Do you have any pointers to this paper? Personally, I don't think that the FreeBSD 2.0.5 slip code is lacking, since I ran with that for a while and I usually saw transfer rates of 1.4 - 1.5kb/sec with a 14.4 Intel modem. -- Mike Pritchard mpp@legarto.minn.net "Go that way. Really fast. If something gets in your way, turn"