From owner-freebsd-net@freebsd.org Mon Jan 16 00:15:48 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0A82ECAF1F9 for ; Mon, 16 Jan 2017 00:15:48 +0000 (UTC) (envelope-from kevin.bowling@kev009.com) Received: from mail-ot0-x236.google.com (mail-ot0-x236.google.com [IPv6:2607:f8b0:4003:c0f::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CE7041045 for ; Mon, 16 Jan 2017 00:15:47 +0000 (UTC) (envelope-from kevin.bowling@kev009.com) Received: by mail-ot0-x236.google.com with SMTP id 65so35801597otq.2 for ; Sun, 15 Jan 2017 16:15:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kev009.com; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=jo656u45NKnPd2taMUAawv7lFmUsjNgiR2gB22AjquE=; b=f8Tk1FBknGyZInyGHE3CBV0jLevZpP7kIbZ1OFRtDm37MDxeIOamvX9AWAnz5pkcHo YdQH37oXsEdKW53OZjbZymyzGRT3mqUkcTr78gX6Wm5bIbjQRdWkzfebvy3No3XKrSqj tKUqMcYP6Eeljgtnfm99x6/rjSzmYEGS19n7U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=jo656u45NKnPd2taMUAawv7lFmUsjNgiR2gB22AjquE=; b=Um9PMxAbR6bcJePslw4l/+sAHqznBO1bZgsgvVJ7bC6MysgeWmOvTYsNMKZd3BgfCY 1cJuaJELAfZ38jpKjzTw8fc/lpC2/2gB9knup7WTRoaBoulx0z3x9ZtUFVSivlmVk59m J6HlfqHe3Yu2HLUV33bELKVB5zkroTINlC2XlyXODUWsXt6EM0U0Fxkhl6Ppmn5vlxyA U4DywvX8tb406xxInO0/zwFyOKIV0yS56wD0JwOU36UH3vy1G6CieWZcQhgHlzj7WkkV WvJmJ7C9Xqtip/vrmINR7D2EyDJUWy9PhVLaEN1Y+irc41H722qE4cDn3bbAvEcGe5TO DvXw== X-Gm-Message-State: AIkVDXIME3bYNAEG1y2KVJ+vOoPHpdZ+nvLFq7oTRgRyxMxOl82umg6Dhk18zXwyQyZ6pteHKACJEQLsVXsMQg== X-Received: by 10.157.26.24 with SMTP id a24mr15907454ote.107.1484525746889; Sun, 15 Jan 2017 16:15:46 -0800 (PST) MIME-Version: 1.0 Received: by 10.157.23.208 with HTTP; Sun, 15 Jan 2017 16:15:46 -0800 (PST) In-Reply-To: <173736586.20170115164757@serebryakov.spb.ru> References: <1773236257.20170115123252@serebryakov.spb.ru> <173736586.20170115164757@serebryakov.spb.ru> From: Kevin Bowling Date: Sun, 15 Jan 2017 17:15:46 -0700 Message-ID: Subject: =?UTF-8?Q?Re=3A_10Gb_on_budged_with_fiber_=E2=80=94_what_should_IP_cho?= =?UTF-8?Q?ose=3F?= To: Lev Serebryakov Cc: freebsd-net@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 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, 16 Jan 2017 00:15:48 -0000 You should be able to find T420-CR or T420-BT for half that. The primary difference is that cxgbe is still a supported driver, and it's been high quality from the start unlike a lot of other vendors. You are engaging in archeology with the other cards you mentioned, and may spend way more value in time than you would in the purchase cost of two NICs :) On Sun, Jan 15, 2017 at 6:47 AM, Lev Serebryakov wrote: > Hello Kevin, > > Sunday, January 15, 2017, 1:03:16 PM, you wrote: > > > Intel is overpriced and still riding their Ethernet reputation from well > > over a decade ago with little to show for it. I would recommend cxgbe > > anything, so Chelsio T420 and up. The T520-SO-CR is within reason for > > demanding home office/small office users to purchase new and I've > deployed > > over a thousand of these at work with flawless performance. T420 are a > bit > > cheaper on i.e. US ebay if that is viable to you but not by too much. I > > bought a T420-BT that way for home use and have no complaints. > Looks like our views of term "budget" is very different :). If I could > spend > $200+/card then it would be noo-rainer. > > > You can use DAC twinax cables to connect 10G SFP+ ports together. This > > will save several watts of power and heat on each side vs 10G Base-T. > Twinax is not what I could fit in my old house's (not datacenter!) cable > ducts > :( And new cable ducts means a LOT of dusty work (reinforced concrete > walls) & new wallpapers & stuff. > > > -- > Best regards, > Lev mailto:lev@freebsd.org