Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767182AbXECU4h (ORCPT ); Thu, 3 May 2007 16:56:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767171AbXECU4h (ORCPT ); Thu, 3 May 2007 16:56:37 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:49897 "EHLO mailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766620AbXECU4g (ORCPT ); Thu, 3 May 2007 16:56:36 -0400 Date: Thu, 3 May 2007 22:55:49 +0200 (MEST) From: Jan Engelhardt To: Willy Tarreau cc: =?iso-8859-1?Q?=D8yvind_V=E5gen_J=E6gtnes?= , Linux Kernel Mailing List Subject: Re: Routing 600+ vlan's via linux problems (looks like arp problems) In-Reply-To: <20070503205341.GB943@1wt.eu> Message-ID: References: <20070503205341.GB943@1wt.eu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 639 Lines: 19 On May 3 2007 22:53, Willy Tarreau wrote: >> For the rest all we see in the arp cache is (incomplete) > >I suspect that your arp cache is full (128 entries by default). >Check /proc/sys/net/ipv4/neigh/gc_thresh1 (128 for me). You can >set it as high as gc_thresh2 (512 for me), and I don't know what >happens above. Above, you will perhaps need the not-so-elegant userspace arpd :-/ Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/