From owner-freebsd-questions@FreeBSD.ORG Sat Feb 7 15:01:03 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 864B6106566B for ; Sat, 7 Feb 2009 15:01:03 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id C01578FC1A for ; Sat, 7 Feb 2009 15:01:00 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id n17F0pUd050130; Sat, 7 Feb 2009 16:00:51 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id n17F0oLw050127; Sat, 7 Feb 2009 16:00:51 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Sat, 7 Feb 2009 16:00:50 +0100 (CET) From: Wojciech Puchar To: Omer Faruk Sen In-Reply-To: <75a268720902070356v51fa601cy98889f272d724555@mail.gmail.com> Message-ID: <20090207155913.M50096@wojtek.tensor.gdynia.pl> References: <75a268720902070356v51fa601cy98889f272d724555@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-questions@freebsd.org Subject: Re: 10gb network interface suggestions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Feb 2009 15:01:03 -0000 > But also I am open to other brands. Especially If anyone has > experience on that this matter would be very very helpful. I have seen > that Sun has quad 10gbE adapters: > http://www.sun.com/products/networking/ethernet/10gigethernet/index.xml > I am not sure if FreeBSD supports that? could you please explain ANY CASE when 4*10GbE/s could be utilized. it's 5 GIGABYTES/s each direction. computer memory subsystem is rarely faster > > 2) Do you suggest fiber or copper? depend of what you connect to. > 3) Which bus option to use ? As far as I see intel has both (Pci > Express and PCI-X not sure if their PCI Express cards are PCI Express > 2.0 for pcie2 http://en.wikipedia.org/wiki/PCI_Express shows > significant performance boost) anything slower than PCIe 4-lane is slower than single 10GbE port. PCI-X is AFAIK 500MB/s so you won't get much