From owner-freebsd-net@freebsd.org  Thu Jun 23 12:15:05 2016
Return-Path: <owner-freebsd-net@freebsd.org>
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 8A813B73A6E
 for <freebsd-net@mailman.ysv.freebsd.org>;
 Thu, 23 Jun 2016 12:15:05 +0000 (UTC)
 (envelope-from kpielorz_lst@tdx.co.uk)
Received: from smtp.krpservers.com (smtp.krpservers.com [62.13.128.145])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "*.krpservers.com", Issuer "RapidSSL SHA256 CA - G3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 1C6B61A8C
 for <freebsd-net@FreeBSD.org>; Thu, 23 Jun 2016 12:15:04 +0000 (UTC)
 (envelope-from kpielorz_lst@tdx.co.uk)
Received: from [10.12.30.106] (vpn01-01.tdx.co.uk [62.13.130.213] (may be
 forged)) (authenticated bits=0)
 by smtp.krpservers.com (8.15.2/8.15.2) with ESMTPSA id u5NCF1hj061381
 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO)
 for <freebsd-net@FreeBSD.org>; Thu, 23 Jun 2016 13:15:02 +0100 (BST)
 (envelope-from kpielorz_lst@tdx.co.uk)
Date: Thu, 23 Jun 2016 13:14:53 +0100
From: Karl Pielorz <kpielorz_lst@tdx.co.uk>
To: freebsd-net@FreeBSD.org
Subject: Re: Problem with VLAN config and traffic after 10.1-R -> 10.3-R-p5
 Upgrade?
Message-ID: <2033B3FC769B74294656A089@[10.12.30.106]>
In-Reply-To: <2ED5D9FEB55641BF734C14F3@[10.12.30.106]>
References: <2ED5D9FEB55641BF734C14F3@[10.12.30.106]>
X-Mailer: Mulberry/4.0.8 (Win32)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Jun 2016 12:15:05 -0000


--On 23 June 2016 11:53 +0100 Karl Pielorz <kpielorz_lst@tdx.co.uk> wrote:

> This gets increasingly weird if I run tcpdump on the 10.3 box. The act of
> running 'tcpdump -i lagg1.30 -n' actually fixes the problem:

As a follow up - running 'ifconfig lagg1 promisc' fixes the issue as well 
(as you'd kind of expect if tcpdump does while it's running).

I don't know if that's a good idea / workaround for now?

-Kp