From owner-freebsd-net@FreeBSD.ORG Mon Aug 11 09:28:53 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C558337B401 for ; Mon, 11 Aug 2003 09:28:53 -0700 (PDT) Received: from mx2.nersc.gov (mx2.nersc.gov [128.55.6.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id E228243F3F for ; Mon, 11 Aug 2003 09:28:52 -0700 (PDT) (envelope-from dart@nersc.gov) Received: from mx2.nersc.gov (localhost [127.0.0.1]) by localhost.nersc.gov (Postfix) with ESMTP id 119E6774C; Mon, 11 Aug 2003 09:28:52 -0700 (PDT) Received: from gemini.nersc.gov (gemini.nersc.gov [128.55.16.111]) by mx2.nersc.gov (Postfix) with ESMTP id 79F847747; Mon, 11 Aug 2003 09:28:51 -0700 (PDT) Received: from gemini.nersc.gov (localhost [127.0.0.1]) by gemini.nersc.gov (Postfix) with ESMTP id DC818F84E; Mon, 11 Aug 2003 09:28:48 -0700 (PDT) X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4 To: "Eicke" In-Reply-To: Message from "Eicke" <005401c36017$f6bd6ef0$0902a8c0@alellyxbr.com.br> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_582732832P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 11 Aug 2003 09:28:48 -0700 From: Eli Dart Message-Id: <20030811162848.DC818F84E@gemini.nersc.gov> cc: net@freebsd.org Subject: Re: Network I/O X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Aug 2003 16:28:54 -0000 --==_Exmh_582732832P Content-Type: text/plain; charset=us-ascii In reply to "Eicke" : > Hi folks, > > I have two servers in the same network segment and with the same = > hardware. > The First work as a router and second is a DNS, a HTTP, and Postifix = > server. > > I realized a test, I tried to copy a 1Gb file from servers to my = > machine. > > > I am very bother because this: > > Server 1 transmition speed 250kb/s > Server 2 transmition speed 15kb/s (!!!!!!!!!!!!!!!!!!!) Check the network configuration of server 2 and the switch to which it is connected -- you may have a duplex mismatch. --eli > > > > > > > Some Server 2 datas: > > -CPU is often IDLE > -Memory average utilization is 80% > -Interface traffic average is 8k > -few users have shell access and run pine only > -some network connection number , as following: > Active Internet connections > > Proto Recv-Q Send-Q Local Address Foreign Address (state) > > tcp4 0 10237 bh.4037 mta-v20.level3.m.smtp ESTABLISHED > > tcp4 0 0 bh.smtp 192.168.4.10.1360 ESTABLISHED > > tcp4 0 20 bh.ssh 192.168.2.9.1524 ESTABLISHED > > tcp4 0 0 bh.ssh 192.168.2.9.1469 ESTABLISHED > > tcp4 0 0 bh.ssh 192.168.2.11.2331 ESTABLISHED > > tcp4 0 0 bh.imap 192.168.4.25.1097 ESTABLISHED > > tcp4 0 0 bh.imap 192.168.2.17.33295 ESTABLISHED > > tcp4 0 0 bh.ssh 192.168.2.4.42974 ESTABLISHED > > tcp4 0 0 bh.ssh 192.168.2.17.33277 ESTABLISHED > > tcp4 0 0 bh.ssh 192.168.2.4.40383 ESTABLISHED > > tcp4 0 0 localhost.domain *.* LISTEN > > tcp4 0 0 bh.domain *.* LISTEN > > udp4 0 0 localhost.domain *.* > > udp4 0 0 bh.domain *.* > > -Interface configuration is > > fxp0: media: Ethernet 100baseTX ; > > - switch point is 100full > > - There are not errors ou colisions on interface; > > > > Could you help me? > > Regards. > > Eicke. > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" --==_Exmh_582732832P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) Comment: Exmh version 2.5 07/13/2001 iD8DBQE/N8RALTFEeF+CsrMRAvWMAJ9B2/iX5kYUAT0y92CN7mhEdQZtwACbB0Ms zfKa6brtOeoUGlw8hz83ivU= =3ThI -----END PGP SIGNATURE----- --==_Exmh_582732832P--