From owner-freebsd-isp Sun Jan 4 16:08:12 1998 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id QAA09071 for isp-outgoing; Sun, 4 Jan 1998 16:08:12 -0800 (PST) (envelope-from owner-freebsd-isp) Received: from ns2.cetlink.net (root@ns2.cetlink.net [209.54.54.20]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id QAA09055 for ; Sun, 4 Jan 1998 16:08:07 -0800 (PST) (envelope-from jak@cetlink.net) Received: from unknown (ts1-cltnc-29.cetlink.net [209.54.58.29]) by ns2.cetlink.net (8.8.5/8.8.5) with SMTP id TAA25935; Sun, 4 Jan 1998 19:08:02 -0500 (EST) From: jak@cetlink.net (John Kelly) To: Diana Cc: freebsd-isp@freebsd.org Subject: Re: [fbsd-isp] Designing for a very large ISP Date: Mon, 05 Jan 1998 01:08:51 GMT Message-ID: <34b13225.1596230@mail.cetlink.net> References: In-Reply-To: X-Mailer: Forte Agent 1.01/16.397 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by hub.freebsd.org id QAA09058 Sender: owner-freebsd-isp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sun, 4 Jan 1998 15:35:40 -0700 (MST), Diana wrote: >On Sun, 4 Jan 1998, John Kelly wrote: > >> >> I'm doing some simple testing to see if FreeBSD is feasible as a >> >> terminal server. My first test of 2.2.5-stable, using only two ports >> >> simultaneously, indicates there is considerable efficiency loss due >> >> to transmit underruns. Next I'm going back to 2.2.2-release which >> >> reputedly performed better, and I'll try the same test on a different >> >> box to rule out hardware contributing to the problem. > >Are you using the standard ISA serial ports for your test? An 8-port multiport serial card from Byterunner. But after further testing, the problem appears to be related to NATD, not SIO. I just posted another message with more detail. John