From owner-freebsd-net@freebsd.org Thu Apr 21 21:52:58 2016 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 52CBCB17450 for ; Thu, 21 Apr 2016 21:52:58 +0000 (UTC) (envelope-from kmacybsd@gmail.com) Received: from mail-ig0-x22d.google.com (mail-ig0-x22d.google.com [IPv6:2607:f8b0:4001:c05::22d]) (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 1AF9D10B6 for ; Thu, 21 Apr 2016 21:52:58 +0000 (UTC) (envelope-from kmacybsd@gmail.com) Received: by mail-ig0-x22d.google.com with SMTP id g8so95205606igr.0 for ; Thu, 21 Apr 2016 14:52:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=k7ewCC38SyIabY0Qv5NG9wJrBfrZ9puLblhoQzMbZ3Q=; b=uBIs/MG+xmeQDxmBYoiX8LTmykhiRu5sYz1L/iJUCW719ShjLo6dwFgiKvGAyVaBvV E5vfRKK87p8TnTGwDKL6z+4B6lysOcSvan1kJSadPiL05Z5+gHyjIapH5z6YR5EPXOUo iJdqXLrU5EkP94j0y7NyVyhkCnTSS7dh3kFbFDHqi9CuqJXKlAUxx3JPnB724SfnWvgm 5fczjwnoAx2TJ3KTwvjCW4/T26AIBKx9aU4Z0Tn0faQIwTG9XhI4leGwSRs/SRuLxz75 UeNDc0RY5XAXTNNvIfbvLLSf1w2v9Vav2yzM2zboQxTSdoxTGGf4dD9IEdNE/yy4vPrN jIKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=k7ewCC38SyIabY0Qv5NG9wJrBfrZ9puLblhoQzMbZ3Q=; b=MboMrfcwEPE5thoO6Nd4i3SsSAXbT8cAT9prq+4PvPqKaaNkIYbnltsbiki/gGL7J3 isiJltWKGRJ54c8onZKJeJzzQexBD3yx2IbhHjVM5C5MzeYJuQRdaHB/eeep6dSNYvmi J+kQYwCHkOzroKJcGXdRMuAmjxhiXE6X45JHL5iTmiaMBK21p8R99xUbmBDgF/k+0Sx4 sHJaJLzAx70C/vUyIDM/98sNE6CAi/6JysJsZYxY58v03Mw8fOQzxDUbHCiWx7RfZCZJ UC/oFYzI3Yn/4jr0NYgcaKQyIkD4P5Uvmh/0hudOGZKMCB5FkMAUAhoBIfPJqF7YyyCL /iXw== X-Gm-Message-State: AOPr4FXet2DSIr7LIZTn6oohPCDwFYzz3gPWprPYOI5h8rp0sdz5apXn8rRHIT1Pd7VlNWulra7xB0y0KvZpOg== MIME-Version: 1.0 X-Received: by 10.50.111.163 with SMTP id ij3mr335333igb.76.1461275577627; Thu, 21 Apr 2016 14:52:57 -0700 (PDT) Sender: kmacybsd@gmail.com Received: by 10.107.140.8 with HTTP; Thu, 21 Apr 2016 14:52:57 -0700 (PDT) In-Reply-To: References: <2C78DBCF-26F2-44D0-A45E-6EE8918648EA@netapp.com> Date: Thu, 21 Apr 2016 14:52:57 -0700 X-Google-Sender-Auth: e75QOI7W5dhe1uvaPoOdcXwDvMg Message-ID: Subject: Re: Issues with ixl(4) From: "K. Macy" To: Dustin Marquess Cc: "Eggert, Lars" , "freebsd-net@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Apr 2016 21:52:58 -0000 On Wednesday, April 20, 2016, Dustin Marquess wrote: > I tried backing out that change and everything worked for a few minutes > and then started acting up again. Then I notice Sean Bruno's "TCP Packets > Drop!!!" email about LACP. I disabled LACP on the switch side and then > changed the lagg config from "lacp" to "roundrobin", and so far so good. > On the switch side it looks like member ports were randomly bounding in the > LACP bundle, and when I'd tcpdump an interface I wouldn't see anything > until another LACP&LLDP packet came in. > > So something seems to be broken with lagg's LACP support recently. The > good news is I don't think the route caching is causing this problem. I'll > put it back in and retest to make sure though. > > Glad to hear I was in error. -M > Thanks for the help! > -Dustin > > On Tue, Apr 19, 2016 at 6:15 PM, K. Macy > wrote: > >> On Mon, Apr 18, 2016 at 10:45 PM, Eggert, Lars > > wrote: >> > I haven't played with lagg+vlan+bridge, but I briefly evaluated XL710 >> boards last year ( >> https://lists.freebsd.org/pipermail/freebsd-net/2015-October/043584.html) >> and saw very poor throughputs and latencies even in very simple setups. As >> far as I could figure it out, TSO/LRO wasn't being performed (although >> enabled) and so I ran into packet-rate issues. >> > >> > I basically gave up and went with a different vendor. FWIW, the XL710 >> boards in the same machines booted into Linux performed fine. >> > >> >> FWIW, NFLX sees performance close to that of cxgbe (by far the best >> maintained, best performing FreeBSD 40G driver) with an iflib >> converted driver. The iflib updated driver will be imported by 11 but >> won't become the default driver until 11.1 for wont of QA resources at >> Intel. >> >> -M >> > >