From owner-freebsd-net@freebsd.org Thu Sep 10 22:14:39 2015 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 E5761A02F79 for ; Thu, 10 Sep 2015 22:14:39 +0000 (UTC) (envelope-from gondim@bsdinfo.com.br) Received: from mail.bsdinfo.com.br (mail.bsdinfo.com.br [191.243.120.163]) (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 7492C10D8 for ; Thu, 10 Sep 2015 22:14:39 +0000 (UTC) (envelope-from gondim@bsdinfo.com.br) Received: from mail.bsdinfo.com.br (mail.bsdinfo.com.br [127.0.0.1]) by mail.bsdinfo.com.br (Postfix) with ESMTP id 2F22A30FCD7 for ; Thu, 10 Sep 2015 19:13:42 -0300 (BRT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bsdinfo.com.br; h=content-transfer-encoding:content-type:content-type :in-reply-to:references:subject:subject:to:mime-version :user-agent:from:from:date:date:message-id; s=dkim; t= 1441923221; x=1442787222; bh=PAVzliWXGHQLN/baT8kVfGIbVZ3/ak3m6bG oAali1vM=; b=EYZYRNvmNrFpTzqQ95wEIFATAeMUEIe2+rEWMBIRgIE7aiGFku/ B+MW2o4MNfwmj5tEpzOK9umKUa5cYx/VucrY6rw9ulAr64odJZ79ma6JaHXLYpEJ FoDJoHmQb3smUqKHki6k1htBjR256QDXbPVnj92GFQQIZdWnPF7Johf8= X-Virus-Scanned: amavisd-new at mail.bsdinfo.com.br Received: from mail.bsdinfo.com.br ([127.0.0.1]) by mail.bsdinfo.com.br (mail.bsdinfo.com.br [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zs8kze_u7WOG for ; Thu, 10 Sep 2015 19:13:41 -0300 (BRT) Received: from [192.168.10.208] (unknown [186.193.54.69]) by mail.bsdinfo.com.br (Postfix) with ESMTPSA id 5171230FCAF for ; Thu, 10 Sep 2015 19:13:41 -0300 (BRT) Message-ID: <55F2005A.1020904@bsdinfo.com.br> Date: Thu, 10 Sep 2015 19:12:42 -0300 From: Marcelo Gondim User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0 MIME-Version: 1.0 To: FreeBSD Net Subject: Re: Possible LACP problem with FreeBSD 10.2-RELEASE and Juniper MX5 References: <55F1A095.6010001@bsdinfo.com.br> In-Reply-To: <55F1A095.6010001@bsdinfo.com.br> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 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, 10 Sep 2015 22:14:40 -0000 On 10-09-2015 12:24, Marcelo Gondim wrote: > Hi All, > > We have a router configured with 2 LACP (lagg0 and lagg1): > > lagg0: flags=8843 metric 0 mtu > 1500 > options=403bb > > ether 00:1b:21:7b:ee:98 > inet6 fe80::21b:21ff:fe7b:ee98%lagg0 prefixlen 64 scopeid 0x12 > nd6 options=21 > media: Ethernet autoselect > status: active > laggproto lacp lagghash l2,l3,l4 > laggport: igb6 flags=1c > laggport: igb7 flags=1c > > lagg1: flags=8843 metric 0 mtu > 1500 > options=403bb > > ether 00:1b:21:7b:ee:6c > inet 189.xxx.xxx.34 netmask 0xfffffffc broadcast 189.113.78.35 > inet6 fe80::21b:21ff:fe7b:ee6c%lagg1 prefixlen 64 scopeid 0xf > inet6 2804:56c:0:8::2 prefixlen 64 > nd6 options=21 > media: Ethernet autoselect > status: active > laggproto lacp lagghash l2,l3,l4 > laggport: igb4 flags=1c > laggport: igb5 flags=1c > > When my Internet traffic is high at night, my BGP session in lagg1 is > giving up and down 4 in 4 minutes. > After upgraded to FreeBSD 2.10-RELEASE-p2, this problem started. > Before we were using the FreeBSD 10.1-STABLE r281235 without any problem. > > The log have the following messages: > > /var/log/messages:Sep 9 19:21:43 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:21:44 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:27:01 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:27:01 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:29:13 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:29:14 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:46:10 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 19:46:11 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:01:02 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:01:03 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:02:08 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:02:09 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:03:54 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:03:57 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:07:05 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:07:06 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:20:49 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:20:50 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:25:39 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:25:40 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:28:55 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:28:56 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:31:39 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:31:39 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:33:29 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 20:33:30 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:03:38 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:03:38 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:09:39 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:09:39 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:20:51 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:20:52 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:25:24 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:25:25 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:36:22 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:36:23 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:39:26 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:39:27 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:47:40 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:47:40 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:52:19 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:52:19 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:53:01 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:53:01 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:58:53 rt01 kernel: igb5: Interface stopped > DISTRIBUTING, possible flapping > /var/log/messages:Sep 9 21:58:53 rt01 kernel: igb4: Interface stopped > DISTRIBUTING, possible flapping > > Has there been any change in the LACP, during this period, which could > be causing this problem? > I'm doing a downgrade in our system to see if this problem happen > tonight. Confirmed. I did downgrade the system to 10.1-STABLE r281235 and the problem stopped happening. Some change occurred between 10.1-STABLE r281235 and 10.2-RELEASE-p2 causing this problem in the system.