From owner-freebsd-net@freebsd.org Fri Apr 8 17:13:06 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 C0F4DB09CC6 for ; Fri, 8 Apr 2016 17:13:06 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A861216FB for ; Fri, 8 Apr 2016 17:13:06 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from [172.21.186.172] (unknown [38.88.39.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id D72A41928E4 for ; Fri, 8 Apr 2016 17:13:04 +0000 (UTC) Subject: Re: TCP packets Drop !! To: freebsd-net@freebsd.org References: From: Sean Bruno Message-ID: <5707E699.1020708@freebsd.org> Date: Fri, 8 Apr 2016 10:12:57 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit 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: Fri, 08 Apr 2016 17:13:06 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 04/05/16 06:26, shahzaib mushtaq wrote: > 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 >> > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net To > unsubscribe, send any mail to > "freebsd-net-unsubscribe@freebsd.org" > I was seeing something, that I thought was a problem with my lab with lagg(4) lacp. I have a small NetGear switch that is capable of lagg(4) with LACP, and I saw the same small number of dropped packets/out of order problem. Does the problem *still* happen with no LACP? sean -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJXB+aWXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5koE4H/14+LdA5IQMUzXeWQrspOtPZ nJl189fX+grd6PQowXBBU5ALojNmvUvfP5n/uFkVvXXSqjVXTnASXw/v5oplsW8Q lQOOzOyuhC+8QjD93aXntXCjcmz2saT3x68zfYlY6d8TIOMAb/DRPqBCnBL3MPrM pdlDCf9bzw5VaQV6PCqEcnzaBg1JuOdh0JTG6AtmdK0DAG76OsunSjouk5uU8Z6t Ao3YQ3CsIAW7CVF1IRUECnPuGUBfFOTasBNj25lGQgvMKss9ZLPxR/Yskihfh+pa sbk4/QwEi4Mpcg8uXFDvETSlxBq/hyBTA2I5x4rtxa48CmynvsuwHLKDb3jbQlI= =US14 -----END PGP SIGNATURE-----