From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: Any suggestions for a 40G Ethernet NIC? Date: Thu, 17 Oct 2013 18:08:45 -0700 Message-ID: <52608A1D.4060805@candelatech.com> References: <5260248B.3090400@candelatech.com> <526088B6.7070503@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev To: Ding Tianhong Return-path: Received: from mail.candelatech.com ([208.74.158.172]:36359 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751206Ab3JRBJR (ORCPT ); Thu, 17 Oct 2013 21:09:17 -0400 In-Reply-To: <526088B6.7070503@huawei.com> Sender: netdev-owner@vger.kernel.org List-ID: On 10/17/2013 06:02 PM, Ding Tianhong wrote: > On 2013/10/18 1:55, Ben Greear wrote: >> I'd like to start playing around with 40G, but doesn't seem to be too >> many such NICs available. Does anyone have any suggestions for 40G NICs >> that work well with Linux? >> >> Thanks, >> Ben >> > > I have the situation for test 40G for Linux, which consist of 4 82599 NICs, > and I use bonding LACP mode to test the performance, when turn on the iommu for > kernel, the performance is up to 30G, when close it, the performance is up to 38G, > what do you think about it? Nice performance! But, for my purposes, I need a real 40g port to test some other 40g equipment. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com