From owner-freebsd-net@FreeBSD.ORG Sun Apr 3 18:36:32 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 51531106566C for ; Sun, 3 Apr 2011 18:36:32 +0000 (UTC) (envelope-from kmacybsd@gmail.com) Received: from mail-pw0-f54.google.com (mail-pw0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 212428FC12 for ; Sun, 3 Apr 2011 18:36:31 +0000 (UTC) Received: by pwj8 with SMTP id 8so1472084pwj.13 for ; Sun, 03 Apr 2011 11:36:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=9eYGJ6KWC9n9nprWFqqp38GVao3rtJ0CJlAzC/O24vg=; b=RHJ8D35L/XY6weZKWbsOgCA5TiwmRLChTXy8h9RtdiDW1CRJ3oFtJtO4AUVbekvSde BI3l9AOhzS2A+J1JSyFg9tpd0hs9mGoccB8I8UfWcjMeIHCZOCOki3xsO/3km1fAgtBg UASnIHqN1w1ZdUg3n/YFLCBmiYnHuTZdcMna4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=rRywCoRli8ZMWmEYUxq1p9Zct9erlIgO+XVD+Oi+wgBnF+b5kY+6afbA5oxvTC5hnD tPpq4WntoxHy38ZOzya5KnrMf9BGBPk2dzpJZs8JIX7EJeTAO1m+IUjsatRDF9GNU+z3 8sigKHFiqEWHK0R5wdlAdKA2VFvf0P1H/zZxU= MIME-Version: 1.0 Received: by 10.143.153.24 with SMTP id f24mr5268393wfo.427.1301854293550; Sun, 03 Apr 2011 11:11:33 -0700 (PDT) Sender: kmacybsd@gmail.com Received: by 10.68.66.10 with HTTP; Sun, 3 Apr 2011 11:11:33 -0700 (PDT) In-Reply-To: <4D987B1B.4000608@isafeelin.org> References: <20110401141655.GA5350@deta.isafeelin.org> <4D95E62A.5000109@comcast.net> <4D987B1B.4000608@isafeelin.org> Date: Sun, 3 Apr 2011 20:11:33 +0200 X-Google-Sender-Auth: 920kw71ih-5i3RNYVKdPm_2d3As Message-ID: From: "K. Macy" To: Frederique Rijsdijk Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: "freebsd-net@freebsd.org" 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: Sun, 03 Apr 2011 18:36:32 -0000 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 wr= ote: > 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). =A0Disabling flowtable cleared everything up >> immediately. =A0You 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=A0mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >