From owner-freebsd-questions Mon Jan 12 18:55:15 1998 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id SAA17008 for questions-outgoing; Mon, 12 Jan 1998 18:55:15 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from gdi.uoregon.edu (gdi.uoregon.edu [128.223.170.30]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id SAA17000 for ; Mon, 12 Jan 1998 18:55:08 -0800 (PST) (envelope-from dwhite@gdi.uoregon.edu) Received: from localhost (dwhite@localhost) by gdi.uoregon.edu (8.8.7/8.8.8) with SMTP id SAA22180; Mon, 12 Jan 1998 18:54:45 -0800 (PST) (envelope-from dwhite@gdi.uoregon.edu) Date: Mon, 12 Jan 1998 18:54:45 -0800 (PST) From: Doug White Reply-To: Doug White To: Brian McGovern cc: questions@FreeBSD.ORG, dtd-miele-staff@cisco.com Subject: Re: PPP degrades with file type on NULL modem? In-Reply-To: <199801061504.KAA00368@bmcgover-pc.cisco.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Tue, 6 Jan 1998, Brian McGovern wrote: > I was just running some tests on pppd here, between two Pentium Pro 200s > connected via NULL-modem cable (via 16550). > > I ran pppd with -bsdcomp, crtscts, at 115200 baud. [...] > Anyone care explain to me why, when compression should not be involved, that ^^^^^^^^^^^ > I can't get throughput that collates with bps rate (ie - if I can get 10.72 > at 115200, why can't the other two files even come close?)? I just find > it an oddity I'd like to have an explanation for :) Did you disable *ALL* compression, including pred1 & VJ header? Were both machines completely unloaded? Were they both running FreeBSD? > -Brian "Gotta Be in the Protocol" McGovern Nobody said ppp was perfect ;-) Did you try usermode ppp for comparison? Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major