From owner-freebsd-net@FreeBSD.ORG Mon Apr 4 09:53:35 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C006A1065670 for ; Mon, 4 Apr 2011 09:53:35 +0000 (UTC) (envelope-from free@isafeelin.org) Received: from progress.isafeelin.org (progress.isafeelin.org [80.69.81.6]) by mx1.freebsd.org (Postfix) with ESMTP id 7DD528FC16 for ; Mon, 4 Apr 2011 09:53:35 +0000 (UTC) Received: from progress.isafeelin.org (localhost [127.0.0.1]) by progress.isafeelin.org (Postfix) with ESMTP id 174A2131198 for ; Mon, 4 Apr 2011 11:53:34 +0200 (CEST) Received: from s5375723c.adsl.wanadoo.nl (s5375723c.adsl.wanadoo.nl [83.117.114.60]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by progress.isafeelin.org (Postfix) with ESMTPS id D343D13117A for ; Mon, 4 Apr 2011 11:53:33 +0200 (CEST) Received: by s5375723c.adsl.wanadoo.nl (Postfix, from userid 1002) id 72B082843A; Mon, 4 Apr 2011 11:53:33 +0200 (CEST) Date: Mon, 4 Apr 2011 11:53:33 +0200 From: Frederique Rijsdijk To: "freebsd-net@freebsd.org" Message-ID: <20110404095333.GA3421@deta.isafeelin.org> References: <20110401141655.GA5350@deta.isafeelin.org> <4D95E62A.5000109@comcast.net> <4D987B1B.4000608@isafeelin.org> Mime-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV using ClamSMTP Subject: Re: Network stack unstable after arp flapping X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 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, 04 Apr 2011 09:53:35 -0000 Kip, Which sysctl are we talking about exactly? Just to be sure.. net.inet.flowtable.enable ? -- Frederique On Sun, Apr 03, 2011 at 08:11:33PM +0200, K. Macy wrote: > I don't think it was properly tested when it was enabled for IPv6. > Given that I have been absentee it really should not be in the default > kernel or at least the sysctl should be off. Sorry for the > inconvenience. Additionally, you don't need to rebuild you can just > disable the sysctl. > > > -Kip > On Sunday, April 3, 2011, Frederique Rijsdijk wrote: > > Steve, > > > > On 01-04-11 16:50, Steve Polyack wrote: > >> On 04/01/11 10:16, Frederique Rijsdijk wrote: > > [ .. ] > >>> Mar 31 18:36:12 srv01 kernel: arp: x.x.x.1 moved from > >>> 00:00:0c:9f:f0:3d to 00:00:0c:07:ac:3d on bge0 > > [ .. ] > >>> The result of that, is that loads of FreeBSD machines (6.x, 7.x and > >>> 8.x) developed serious network issues, mainly being no or slow traffic > > [ .. ] > >>> Any ideas anyone? > >> We experienced a similar issue here, but IIRC only on our 8.x systems > >> (we don't have any 7.x).  Disabling flowtable cleared everything up > >> immediately.  You can try that and see if it helps. > > > > AFAIK this feature was introduced in 8.x? Btw you are here referring to > > UDP, we had issues with TCP. It could still be related, perhaps I'll get > > around emulating the situation and see if I can reproduce it. > > > > > > -- Frederique > > > > > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"