From owner-freebsd-net@FreeBSD.ORG Mon Feb 11 15:44:03 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 6FE144FC for ; Mon, 11 Feb 2013 15:44:03 +0000 (UTC) (envelope-from tevans.uk@googlemail.com) Received: from mail-ve0-f176.google.com (mail-ve0-f176.google.com [209.85.128.176]) by mx1.freebsd.org (Postfix) with ESMTP id 374889F4 for ; Mon, 11 Feb 2013 15:44:02 +0000 (UTC) Received: by mail-ve0-f176.google.com with SMTP id cz10so5173862veb.21 for ; Mon, 11 Feb 2013 07:44:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=biENlMF1lhGJS0ag8SzxOnCRa51IMC2VhSryw1z/ZrQ=; b=lEkYWKikwYJH2CBpA/r5YLYiK0dxPBXVn8frShLn6rP6wa8ipdRGZn2qurkbUfUOfp S3+dp2Gm1dJ55Glxelwexuzi2bDkWXsAkvSmC1/z4MsLys7xDQDXy2Czpc6Dr34/qjKw mEp0YHU+Inz7oX0pVRwMVDEmvoQpUSsKNPrLmXmBs8gdMflk6Dbel/OYOQWjK0Fe46yz 2Usd/9FbINWJatWo5gBq42trqPpMdm00wyifcgcKStKu+Aa+Em8uvxkd0S1s1pFY8jqv 6OjkuJVZCI30lPENb8AN91csWMBs1yjBXkrHhBzt4WIEJNl47O/okR6PW/arYjc2WgI8 VfsQ== MIME-Version: 1.0 X-Received: by 10.220.228.74 with SMTP id jd10mr19208721vcb.65.1360597442551; Mon, 11 Feb 2013 07:44:02 -0800 (PST) Received: by 10.58.100.147 with HTTP; Mon, 11 Feb 2013 07:44:02 -0800 (PST) In-Reply-To: <8112.1360454540@tristatelogic.com> References: <20130209221107.GA32563@server.rulingia.com> <8112.1360454540@tristatelogic.com> Date: Mon, 11 Feb 2013 15:44:02 +0000 Message-ID: Subject: Re: Question: Why ain't I getting gigabit speed? From: Tom Evans To: "Ronald F. Guilmette" Content-Type: text/plain; charset=UTF-8 Cc: freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 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 Feb 2013 15:44:03 -0000 On Sun, Feb 10, 2013 at 12:02 AM, Ronald F. Guilmette wrote: > > > I want to thank all of the various people who offered help, advice, > and suggestings regarding this problem. It's all really appreciated. > > Since I first posted about this issue, I have diligently tried to > isolate/debug the problem. I swapped the card into a totally > different system, also running FreeBSD, and found the exact same > symptoms. I used other equipment to verify that both my cables > and my Linksys E2000 were not the source of the problem. Lastly, > I brought up the card in the exact same system where I had originally > noted the problem, but under Windows rather than FreeBSD. > > Anyway, after all this testing, I believe that I can now say > definitively that the problem is indeed bad hardware in/on the card. > The card exibits essentially the same symptoms under Windows as it > does under FreeBSD, i.e. running only at 100mbs, rather than the > 1gbs that it should be capable of. > Generally, if your cheap gigabit NIC doesn't connect at gigabit speeds with your cheap gigabit switch, it is negotiation issues. I have identical cheap Intel gigabit NICs (I forget the exact chipset, PCI-e 1x, ~$30 USD) that do not negotiate gigabit on my cheap Linksys switch from Windows, yet happily do so from Linux and FreeBSD, and will always negotiate gigabit from any OS with my HP Procurve. Cheers Tom