From owner-freebsd-net@FreeBSD.ORG Tue Jul 1 20:34:58 2008 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 5935E1065677 for ; Tue, 1 Jul 2008 20:34:58 +0000 (UTC) (envelope-from paul@gtcomm.net) Received: from atlas.gtcomm.net (atlas.gtcomm.net [67.215.15.242]) by mx1.freebsd.org (Postfix) with ESMTP id 32A898FC18 for ; Tue, 1 Jul 2008 20:34:58 +0000 (UTC) (envelope-from paul@gtcomm.net) Received: from c-76-108-179-28.hsd1.fl.comcast.net ([76.108.179.28] helo=[192.168.1.6]) by atlas.gtcomm.net with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1KDmVa-0007tb-PW for freebsd-net@freebsd.org; Tue, 01 Jul 2008 16:31:26 -0400 Message-ID: <486A956D.3030001@gtcomm.net> Date: Tue, 01 Jul 2008 16:37:01 -0400 From: Paul User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: FreeBSD Net Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Maximum ARP Entries 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: Tue, 01 Jul 2008 20:34:58 -0000 Does anyone know if there is a maximum number of ARP entries/ adjacencies that FBSD can handle before recycling? I want to route several thousand ips direct to some interfaces so it will have 3-4k ARP entries.. I'm curious because in Linux I have to set the sysctl net.ipv4.neigh threshholds a lot higher or it bombs with 'too many neighbors'... I don't see a setting like this in BSD sysctl . Thanks! Paul