From owner-freebsd-net@freebsd.org Tue Apr 5 13:26:28 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 C3A72B03D14 for ; Tue, 5 Apr 2016 13:26:28 +0000 (UTC) (envelope-from shahzaib.cb@gmail.com) Received: from mail-io0-x230.google.com (mail-io0-x230.google.com [IPv6:2607:f8b0:4001:c06::230]) (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 8F9291097 for ; Tue, 5 Apr 2016 13:26:28 +0000 (UTC) (envelope-from shahzaib.cb@gmail.com) Received: by mail-io0-x230.google.com with SMTP id g185so18465709ioa.2 for ; Tue, 05 Apr 2016 06:26:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=34RdnQRq54C4XX3jrHx/XN0iwMZlzN8ePtJ3hVFBCVY=; b=QwUZ2eP4ysoZfdVKWgsGM9S/ijadAwvUCESCJDdTDdlHOMheGQYVs9RNY6IbXazvob qLwtyl+5mZMxHBZb1MHcNmBjmtiCgEgxbT4h/rRLsNQkoKI4ZKvpm+6KJo/phoSejh3P 48VtHhxSSF9+9KYQvBOQ6cTBa3dXEJYcnhnuijEFB0/f7lFmsUw6rep8Y8nq47EJgqto 6hFnpMPyTimigsKBj5dv0nS9FivvvAxCMwaP70sfxNLXuifFc+yVxwL6jeymZWOTkqzk phLk9buHFS8AV4UzpBfIAHEDS5C4yrJnUtwIB5gz7rbxzoiROAjWGh9Km0uoDGtrsQvy GtHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=34RdnQRq54C4XX3jrHx/XN0iwMZlzN8ePtJ3hVFBCVY=; b=GyF3vBot2g3BV/yghVmx+r4TJgU9FLKv/ROpEdgAHdUO9zKOOa6itZ4mlA7vPiYCf2 ZgJ5ME/NPeA0TGKcb1BkmUNC4sMfchje+pTzvrqJ+O3zqPE/uWoSX18LqnaQ06CNBSuv ZAtCectnGn81orr/TWK+KxZj1zXpiOYKzOZS1dBpw9K06I8F7y9/vTNsD8RlxF6lENO9 XMVXcVB/dj/OAldfkgMDS79zL/lH2OJJpONJolzk9irpKx/vy3wgrDJUf4wqT3i+6+JQ j7EPFtCJHIGc6zIFKEgl1oeKJwPnq7AcnX9mNdth5jUpVMnAUinfqYG/0N67N4KqvzIl +A7w== X-Gm-Message-State: AD7BkJLQ3S8Fb2VMDVE2C9KPZuw18n9IS/+CDtoTpfH+AG3CM5sDyRqNlhPp3Jct05TtFudZnkf57uGQZBWmrw== MIME-Version: 1.0 X-Received: by 10.107.18.227 with SMTP id 96mr17606162ios.174.1459862787723; Tue, 05 Apr 2016 06:26:27 -0700 (PDT) Received: by 10.79.117.89 with HTTP; Tue, 5 Apr 2016 06:26:27 -0700 (PDT) In-Reply-To: References: Date: Tue, 5 Apr 2016 18:26:27 +0500 Message-ID: Subject: Re: TCP packets Drop !! From: shahzaib mushtaq To: 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: Tue, 05 Apr 2016 13:26:28 -0000 Here is the full output of netstat -s : http://pastebin.com/pyxDtJkL On Tue, Apr 5, 2016 at 3:38 PM, shahzaib mushtaq wrote: > Hi Guys, > > Hopes i've landed on the correct forum for tcp network queries. We've seen > tons of packets being dropped via command netstat -s in our production with > FreeBSD-10.1. The one whose timeout value keeps on increasing is 'rexmit > timeout' . Here is the list of timeout / dropped packets. > > http://prntscr.com/aod4f2 > > The server is on 4x1Gbps Lacp port . We've also tried disabling NICs > feature TSO but in vain : > > http://prntscr.com/aod526 > > Please let me know if you need any further info to help resolving this > issue ? > > Thanks in advance !! > > Regards. > Shahzaib >