From owner-freebsd-questions@FreeBSD.ORG Wed Apr 9 14:32:43 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D2E6637B401 for ; Wed, 9 Apr 2003 14:32:43 -0700 (PDT) Received: from smtp2.cistron.nl (smtp2.cistron.nl [62.216.30.41]) by mx1.FreeBSD.org (Postfix) with ESMTP id BB46B43F75 for ; Wed, 9 Apr 2003 14:32:42 -0700 (PDT) (envelope-from basics@zenzee.cistron.nl) Received: from cust.94.12.adsl.cistron.nl ([195.64.94.12] helo=192.168.1.3) by smtp2.cistron.nl with esmtp (Exim 3.35 #1 (Debian)) id 193NBQ-0002M6-00; Wed, 09 Apr 2003 23:32:40 +0200 Date: Wed, 9 Apr 2003 23:32:40 +0200 From: Vincent Zee To: FreeBSD Questions Message-ID: <20030409233240509711.GyazMail.basics@zenzee.cistron.nl> In-Reply-To: <44of3fv21k.fsf@be-well.ilk.org> References: <20030407233411204005.GyazMail.basics@zenzee.cistron.nl> <44of3fv21k.fsf@be-well.ilk.org> Mime-Version: 1.0 (GMessage framework 0.9.9.1) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: GyazMail version 0.9.9.4 Subject: Re: Strange network behaviour X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Apr 2003 21:32:44 -0000 On 09 Apr 2003 16:39:03 -0400, Lowell Gilbert wrote: > Vincent Zee writes: > >> I am really at a loss at the moment. >> >> I have a 100baseT network at home and all connected machines have 100Mb >> network cards. >> When I upload mp3 files from my ibook to the FreeBSD server the speed >> drops to 100kb/s. >> >> This only happens between these two particular machines. These same >> machines connected to other machines give the expected transmission >> speeds. I checked cables, switches and router but found nothing >> unexpected. >> >> Any hints, ideas or even solutions are most welcome. >> >> The FreeBSD machine is running 4.7 and the ibook 10.2.4 > > This sounds a lot like a duplex mismatch. > Check the collision count. Hi Lowell, thank you for your answer(:-)) Here is the ifconfig output for the nic in the freebsd machine: dc0: flags=8843 mtu 1500 inet 192.168.1.10 netmask 0xffffff00 broadcast 192.168.1.255 inet6 fe80::248:54ff:fe12:c767%dc0 prefixlen 64 scopeid 0x1 ether 00:48:54:12:c7:67 media: Ethernet autoselect (100baseTX ) status: active Here is the ifconfig output for the nic in the ibook: en0: flags=8863 mtu 1500 inet6 fe80::20a:95ff:fe67:2460%en0 prefixlen 64 scopeid 0x4 inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255 ether 00:0a:95:67:24:60 media: autoselect (100baseTX ) status: active supported media: none autoselect 10baseT/UTP 10baseT/UTP 10baseT/UTP 10baseT/UTP 100baseTX 100baseTX 100baseTX 100baseTX Here is the output of netstat -i during a transmission of a 14 MB file. -bash-2.05b$ netstat -i Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll dc0 1500 00:48:54:12:c7:67 5734078 0 5911495 0 0 dc0 1500 192.168.1 freeserv 5728716 - 5910566 - - dc0 1500 fe80:1::248 fe80:1::248:54ff: 0 - 0 - - lp0* 1500 0 0 0 0 0 faith 1500 0 0 0 0 0 lo0 16384 375 0 375 0 0 lo0 16384 ::1 ::1 0 - 0 - - lo0 16384 fe80:4::1 fe80:4::1 0 - 0 - - lo0 16384 your-net localhost 375 - 375 - - ppp0* 1500 0 0 0 0 0 sl0* 552 0 0 0 0 0 /\ Vincent