From owner-freebsd-current@FreeBSD.ORG Thu Sep 30 18:17:11 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CB42916A4CE for ; Thu, 30 Sep 2004 18:17:11 +0000 (GMT) Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 98A0243D45 for ; Thu, 30 Sep 2004 18:17:08 +0000 (GMT) (envelope-from oppermann@networx.ch) Received: (qmail 34269 invoked from network); 30 Sep 2004 18:09:41 -0000 Received: from unknown (HELO networx.ch) ([62.48.0.53]) (envelope-sender ) by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP for ; 30 Sep 2004 18:09:41 -0000 Message-ID: <415C4DB3.1042A076@networx.ch> Date: Thu, 30 Sep 2004 20:17:23 +0200 From: Andre Oppermann X-Mailer: Mozilla 4.8 [en] (Windows NT 5.0; U) X-Accept-Language: en MIME-Version: 1.0 To: "Raphael H. Becker" References: <20040917104356.E55054@p-i-n.com> <414ADD15.FAC42CDB@freebsd.org> <20040917231922.G55054@p-i-n.com> <414B567C.9060904@freebsd.org> <20040917235056.I55054@p-i-n.com> <414B6234.8060904@freebsd.org> <20040918011644.N55054@p-i-n.com> <20040928232841.W55054@p-i-n.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Fri, 01 Oct 2004 12:17:19 +0000 cc: freebsd-net@freebsd.org cc: freebsd-current@freebsd.org Subject: Re: if_bge with (was: Re: Strange things on GBit / 1000->100 /net.inet.tcp.inflight.* ) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Sep 2004 18:17:11 -0000 "Raphael H. Becker" wrote: > > On Sat, Sep 18, 2004 at 01:16:44AM +0200, Raphael H. Becker wrote: > > On Sat, Sep 18, 2004 at 12:16:20AM +0200, Andre Oppermann wrote: > > > Would you mind trying a 5.3 to 5.3 transfer but the target 5.3 box forced to > > > only 100Mbit full-duplex? Same statistics again. > > > > Sorry, ifconfig is not possible now. See PM. > > I may retest with physical access (without ssh) next days, if needed. > > Today I had some time for testing AND physical access ... > > With bge0 bound to 100baseTX / full-duplex the transfer breaks down to > <100kBytes/sec, with 1000byseTX its about 250-350kBytes/sec, should be > ~10MBytes/sec > > ifconfig bge0 down > ifconfig bge0 media ... > ifconfig bge0 up > > I will do some more and detailed testing next time I'm in our data > center, including the netstat-output etc. > > Hmm. if_bge buggy? > But, same machine on a FE-Switich worked perfectly (with 100MBit). -snip- > Any idea? Could you do a transfer of about 5MB and capture the entire TCP session with tcpdump on the source *and* target machine at the same time? I'll have a look at it to find out why TCP is unable to open the window. tcpdump -n -i bge0 -p -w dump_source "tcp host 1.2.3.4" And then make the two files available somewhere I can download them. -- Andre