From owner-freebsd-net@FreeBSD.ORG Sun Nov 21 00:56:35 2010 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 B9C981065672 for ; Sun, 21 Nov 2010 00:56:34 +0000 (UTC) (envelope-from pozar@lns.com) Received: from kumr.lns.com (kumr.lns.com [209.237.227.146]) by mx1.freebsd.org (Postfix) with ESMTP id 6A4C58FC16 for ; Sun, 21 Nov 2010 00:56:34 +0000 (UTC) Received: from Tim-Pozars-MacBook-Pro-4.local (kumr.lns.com [209.237.227.146]) by kumr.lns.com (8.14.3/8.14.3) with ESMTP id oAL0uA2u062811; Sat, 20 Nov 2010 16:56:32 -0800 (PST) (envelope-from pozar@lns.com) Message-ID: <4CE86E29.4060003@lns.com> Date: Sat, 20 Nov 2010 16:56:09 -0800 From: Tim Pozar User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: Ryan Stone References: <4CE8633D.3020501@lns.com> In-Reply-To: X-Enigmail-Version: 1.1.1 OpenPGP: id=83385B04; url=http://www.lns.com/house/pozar/pozar_4096_rsa_public.asc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-102.5 required=5.0 tests=AWL,BAYES_00, USER_IN_WHITELIST autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on kumr.lns.com Cc: freebsd-net@freebsd.org Subject: Re: FreeBSD is occasionally not replying to ICMP packets... 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, 21 Nov 2010 00:56:35 -0000 Yup... That was it. Thanks... Tim -- # sysctl -a | grep net.inet.icmp.icmplim net.inet.icmp.icmplim: 200 # sysctl net.inet.icmp.icmplim=0 net.inet.icmp.icmplim: 200 -> 0 # > cs01-200p-sfo#ping 10.1.0.2 repeat 1024 > > Type escape sequence to abort. > Sending 1024, 100-byte ICMP Echos to 10.1.0.2, timeout is 2 seconds: > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > Success rate is 100 percent (1024/1024), round-trip min/avg/max = 1/2/17 ms > cs01-200p-sfo# on 11/20/10 4:45 PM Ryan Stone said the following: > How many packets per second are you sending? By default FreeBSD will > only send 200 ICMP responses per second. You can adjust this limit by > setting the sysctl net.inet.icmp.icmplim. If you set it to 0 no limit > will be enforced. > > Ryan Stone -- GPG Fingerprint: 4821 CFDA 06E7 49F3 BF05 3F02 11E3 390F 8338 5B04 http://www.lns.com/house/pozar/pozar_4096_rsa_public.asc