From owner-freebsd-net@FreeBSD.ORG Fri Oct 29 07:20:13 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6119810656ED for ; Fri, 29 Oct 2010 07:20:13 +0000 (UTC) (envelope-from kes-kes@yandex.ru) Received: from forward17.mail.yandex.net (forward17.mail.yandex.net [95.108.253.142]) by mx1.freebsd.org (Postfix) with ESMTP id D090E8FC2E for ; Fri, 29 Oct 2010 07:20:12 +0000 (UTC) Received: from smtp16.mail.yandex.net (smtp16.mail.yandex.net [95.108.252.16]) by forward17.mail.yandex.net (Yandex) with ESMTP id 81E67A58705 for ; Fri, 29 Oct 2010 11:20:11 +0400 (MSD) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1288336811; bh=eu0vvxxH0Vo/kBLYm8I+sveVJbWeCcWRKVr8ZY6XYd4=; h=Date:From:Reply-To:Message-ID:To:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding; b=iI+Qe83c7shnBUCr1i4FVWl7BwMjeG3j8e78f0rIXNCAPKrE9tn+KJgNQ+nnOErX7 ri0Vqu9IRGdCn1lTqP/x+JXCBb3xy4Ouc7Lyb39wZ5BmSq67Nn3HEVKOmCWJ1RqlEW OGW9U2wX4gfvyxTJ4ZiGDzy7OCzPXERNebAOa0a0= Received: from HOMEUSER (unknown [77.93.36.205]) by smtp16.mail.yandex.net (Yandex) with ESMTPA id 4149C1600097 for ; Fri, 29 Oct 2010 11:20:11 +0400 (MSD) Date: Fri, 29 Oct 2010 10:20:10 +0300 From: =?windows-1251?B?yu7t/Oru4iDF4uPl7ejp?= X-Mailer: The Bat! (v4.0.24) Professional Organization: =?windows-1251?B?188gyu7t/Oru4iwgRnJlZUxpbmU=?= X-Priority: 3 (Normal) Message-ID: <364322520.20101029102010@yandex.ru> To: freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: 8bit X-Yandex-TimeMark: 1288336811 X-Yandex-Spam: 1 X-Yandex-Front: smtp16.mail.yandex.net Subject: How to obtain place of low perfomance? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: =?windows-1251?B?yu7t/Oru4iDF4uPl7ejp?= List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Oct 2010 07:20:13 -0000 Hi, Freebsd-net. serv1# ifocnfig nfe0 nfe0: flags=8943 metric 0 mtu 1500 options=10b ether 00:13:d4:ce:82:16 inet 10.11.8.17 netmask 0xfffffc00 broadcast 10.11.11.255 inet 10.11.8.15 netmask 0xfffffc00 broadcast 10.11.11.255 media: Ethernet autoselect (1000baseTX ) status: active serv1# ifconfig igb0 igb0: flags=8843 metric 0 mtu 1500 options=19b ether 00:1b:21:45:da:b8 media: Ethernet autoselect (1000baseTX ) status: active serv1# ifconfig vlan7 vlan7: flags=8843 metric 0 mtu 1500 options=3 ether 00:1b:21:45:da:b8 inet 10.11.15.15 netmask 0xffffff00 broadcast 10.11.15.255 inet 10.11.7.1 netmask 0xffffff00 broadcast 10.11.7.255 media: Ethernet autoselect (1000baseTX ) status: active vlan: 7 parent interface: igb0 doing bw test with iperf it show low performance on nfe0. # iperf -c 10.11.8.17 ------------------------------------------------------------ Client connecting to 10.11.8.17, TCP port 5001 TCP window size: 32.5 KByte (default) ------------------------------------------------------------ [ 3] local 10.11.8.16 port 63911 connected with 10.11.8.17 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.5 sec 124 MBytes 98.8 Mbits/sec # iperf -c 10.11.7.1 ------------------------------------------------------------ Client connecting to 10.11.7.1, TCP port 5001 TCP window size: 32.5 KByte (default) ------------------------------------------------------------ [ 3] local 10.11.7.2 port 61422 connected with 10.11.7.1 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.3 sec 800 MBytes 653 Mbits/sec despite on it is integrated I expect about 300-400Mbit throughput does nfe0 really so poor NIC? state of nfe0 while 'iperf' testing # netstat -w 1 -h -d -I nfe0 input (nfe0) output packets errs bytes packets errs bytes colls drops 1.6K 0 543K 2.4K 0 1.9M 0 0 1.8K 0 613K 2.4K 0 1.9M 0 0 1.7K 0 620K 2.5K 0 1.9M 0 0 1.8K 0 627K 2.6K 0 2.0M 0 0 2.1K 0 1.2M 2.8K 0 1.9M 0 0 28K 0 40M 20K 0 3.0M 0 0 11K 0 14M 8.3K 0 2.3M 0 0 12K 0 16M 9.0K 0 2.3M 0 0 2.8K 0 2.0M 3.1K 0 2.0M 0 0 11K 0 14M 8.5K 0 2.5M 0 0 7.8K 0 9.6M 6.4K 0 2.2M 0 0 12K 0 16M 9.1K 0 2.3M 0 0 6.9K 0 8.4M 5.8K 0 2.1M 0 0 3.0K 0 2.5M 3.3K 0 2.0M 0 0 11K 0 14M 8.2K 0 2.3M 0 0 1.7K 0 664K 2.6K 0 1.9M 0 0 1.7K 0 588K 2.4K 0 1.9M 0 0 1.6K 0 627K 2.3K 0 1.8M 0 0 -- С уважением, Коньков mailto:kes-kes@yandex.ru