Date: Sun, 03 Apr 2011 15:50:19 +0200 From: Frederique Rijsdijk <frederique@isafeelin.org> To: freebsd-net@freebsd.org Subject: Re: Network stack unstable after arp flapping Message-ID: <4D987B1B.4000608@isafeelin.org> In-Reply-To: <4D95E62A.5000109@comcast.net> References: <20110401141655.GA5350@deta.isafeelin.org> <4D95E62A.5000109@comcast.net>
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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
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