Date: Mon, 4 Apr 2011 11:53:33 +0200 From: Frederique Rijsdijk <frederique@isafeelin.org> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Network stack unstable after arp flapping Message-ID: <20110404095333.GA3421@deta.isafeelin.org> In-Reply-To: <BANLkTin0RsisoLp-x9WinjvJuf3pmSz13w@mail.gmail.com> References: <20110401141655.GA5350@deta.isafeelin.org> <4D95E62A.5000109@comcast.net> <4D987B1B.4000608@isafeelin.org> <BANLkTin0RsisoLp-x9WinjvJuf3pmSz13w@mail.gmail.com>
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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 <frederique@isafeelin.org> 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"
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