From owner-freebsd-net@freebsd.org Mon Aug 22 22:47:23 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 83A73BC2979 for ; Mon, 22 Aug 2016 22:47:23 +0000 (UTC) (envelope-from jpaetzel@fastmail.net) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 69BA319A7 for ; Mon, 22 Aug 2016 22:47:23 +0000 (UTC) (envelope-from jpaetzel@fastmail.net) Received: by mailman.ysv.freebsd.org (Postfix) id 652D8BC2977; Mon, 22 Aug 2016 22:47:23 +0000 (UTC) Delivered-To: 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 64D42BC2976 for ; Mon, 22 Aug 2016 22:47:23 +0000 (UTC) (envelope-from jpaetzel@fastmail.net) Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) (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 3EE7E19A5; Mon, 22 Aug 2016 22:47:22 +0000 (UTC) (envelope-from jpaetzel@fastmail.net) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 2983B20726; Mon, 22 Aug 2016 18:47:16 -0400 (EDT) Received: from web3 ([10.202.2.213]) by compute1.internal (MEProxy); Mon, 22 Aug 2016 18:47:16 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=fastmail.net; h=cc :content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=Lcn wtQkGDaB/jmX7f1T/YqbCsrY=; b=jqcufVNIOxrrhL9kc5Ifvf3G0Llr6k0nx/f el3cxCBme0whzAPhAp8UHXgGoCQpCx16oV9kpunnTQr0wy2MpqBVuPbb3kW751Ea 4DWFgVKc4yDx4Y9ffP56egh+gtj6mPLI31mKl2jOk3+4Q8hhGtWqs0zjn9AoyrF4 NP+nDFOs= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=LcnwtQkGDaB/jmX7f1T/YqbCsrY=; b=IRgol Ou9QsLX2r8fUGKaAEwulxDzHWIk3PXKdctsnJDPXEpiFE/Jk4OfDoWpjdFsusAn6 brQRIBdAtSxvilj7fSqp31GD+GDO51z5R6ECvTjgFh7fYKNBDxxgD9IXBRjkQmQd /mjQqceIJuBmuP8MYXvXc7WUjMEa5HR8X9GI8Y= Received: by mailuser.nyi.internal (Postfix, from userid 99) id EAA72168BB; Mon, 22 Aug 2016 18:47:15 -0400 (EDT) Message-Id: <1471906035.1295488.702961329.4D199C53@webmail.messagingengine.com> X-Sasl-Enc: HDj6DYwgPlWQOf3A8x7c2VapAXjgc/5QHzltBEbygG04 1471906035 From: Josh Paetzel To: net@freebsd.org, erj@freebsd.org Cc: ross@ixsystems.com MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-668fb998 Subject: X540 + arista switch Date: Mon, 22 Aug 2016 17:47:15 -0500 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 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, 22 Aug 2016 22:47:23 -0000 Eric, I am seeing link bounces on an X540T2 connected to an Arista 7050T-64 switch. Running FreeBSD 10.3 amd64 I can see dev.ix.1.mac_stats.local_faults incrementing, with corresponding link bounces in the logs We also have a customer who is experiencing this, same NICs, same OS version, same switch. Some googling lead me to http://unix.derkeiler.com/Mailing-Lists/FreeBSD/net/2014-02/msg00283.html Any pointers on which direction to turn? -- Thanks, Josh Paetzel