From owner-freebsd-stable Tue Dec 21 23:10:17 1999 Delivered-To: freebsd-stable@freebsd.org Received: from maillist.kabelfoon.nl (maillist.kabelfoon.nl [194.178.9.136]) by hub.freebsd.org (Postfix) with ESMTP id 8389A152A9 for ; Tue, 21 Dec 1999 23:10:14 -0800 (PST) (envelope-from sdehaan@caiw.nl) Received: from 192.168.8.115 (unknown [192.168.8.115]) by maillist.kabelfoon.nl (Postfix) with ESMTP id 40A403AA0; Wed, 22 Dec 1999 08:10:13 +0100 (CET) Message-Id: In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Company: Kabelfoon B.V. Date: Wed, 22 Dec 1999 08:03:50 +0100 To: Vinod Balakrishnan , freebsd-stable@FreeBSD.ORG From: Koos de Haan Subject: Re: de driver problems with ZNYX 21140A cards Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, We also use the same ZNYX cards in some boxes and experiencing the same problems. (I didn't get any TCP througput above approx 40 Mbit/s ever.) NetBSD which is using the same driver also is suffering from the same problem. Under Linux the cards work fine, but thats another driver. I think it is some bug in the de driver which causes these problems. I will get the driver form ZNYX a try on my 3.4-STABLE system to see wat will happen. Regards, Koos de Haan Op 03:02 +0100 22-12-1999, Vinod Balakrishnan schreef: > hi, > > I am working on a 6 pc test bed (FreeBSD boxes) having the > 4 port 100Mbps 21140A Znyx cards. > > I am running FreeBSD 3.1-Release. I have also tested it on FreeBSD > 3.0-Stable. > > I am facing a few problems with the device driver de. > > 1. netstat -I gives lots of output errors. > Name Mtu Network Address Ipkts Ierrs Opkts Oerrs > Coll > de3 1500 10.0.8/24 10.0.8.5 434417 0 290242 289158 > 0 > > If I use the device driver provided at the ZNYX website (znyx.com) zxe > then I do not see any Oerrs. > > 2. ifconfig de3 mediaopt full-duplex , returns an error: > ifconfig:SIOCSIFMEDIA: Device not configured > > 3. The throughput of a TCP flow from one FreeBSD box to another (each > having a ZNYX card) varies with the packet size. > For instance for a packet size of 150bytes I achieve 90Mbps. > For packetsize of 500bytes it is only 60-70Mbps. > > 4. If I run a tcp flow from one FreeBSD box to another via an intermediate > FreeBSD box (all having the ZNYX344 card and de device driver) I get a > throughput of 40Mbps only for 500 byte packets. > > > All of these above problems are not visible when I use the zxe > device driver. > > thank you for your time, > > -Vinod > > > *********************************************************************** > B. Vinod Kumar > Dept. of Computer Science, > University of Virginia, Charlottesville > Residence: > 101, Carrollton Terrace, #2 > Charlottesville, Va-22903 > 804-293-5101 > > ********************************************************************** > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message - -- Kabelfoon BV Industriestraat 30, Postbus 45, 2670 AA NAALDWIJK e-mail info@kabelfoon.nl voor informatie, kabelfoon@kabelfoon.nl voor abonnementszaken, help@kabelfoon.nl voor de helpdesk Homepage : http://www.kabelfoon.nl/ Zie http://www.kabelfoon.nl/pgp/ voor Kabelfoon public keys To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message