From owner-freebsd-net@FreeBSD.ORG Tue Feb 26 18:36:47 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 DE82C1065670 for ; Tue, 26 Feb 2008 18:36:47 +0000 (UTC) (envelope-from dave@raven.za.net) Received: from elektra.opteqint.net (elektra.opteqint.net [209.25.178.105]) by mx1.freebsd.org (Postfix) with ESMTP id BE02413C44B for ; Tue, 26 Feb 2008 18:36:47 +0000 (UTC) (envelope-from dave@raven.za.net) Received: from [41.242.10.56] (helo=DHA12123) by elektra.opteqint.net with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.66 (FreeBSD)) (envelope-from ) id 1JU4fW-000Def-J8; Tue, 26 Feb 2008 10:36:49 -0800 From: "Dave Raven" To: "'Ingo Flaschberger'" References: <03cb01c8789b$04aade30$0e009a90$@za.net> <03cf01c8789e$f15b0860$d4111920$@za.net> <03d001c878a0$bf3d8680$3db89380$@za.net> <03de01c878a3$90cc7560$b2656020$@za.net> <03e501c878a5$588f1c50$09ad54f0$@za.net> In-Reply-To: Date: Tue, 26 Feb 2008 20:36:35 +0200 Message-ID: <03e601c878a6$87380980$95a81c80$@za.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ach4phfYD4OKG7b/TSOGYwFc+mrWRgAAC3cQ Content-Language: en-us Cc: freebsd-net@freebsd.org Subject: RE: Hping/Ping 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, 26 Feb 2008 18:36:48 -0000 I have set my icmplim to 1024. When it was 200 I would sometimes get a warning about an OPEN port RST - which was also strange to me (that it was open not closed). I suspected that it was because 5% of my packets where being dropped though. The server is under reasonable load (networking wise) around 80-90mbits, but the processor is 75% idle.. The other strange this is that a reboot solves this, and it takes around 1-2 days to happen again.. Thanks Dave -----Original Message----- From: Ingo Flaschberger [mailto:if@xip.at] Sent: Tuesday, February 26, 2008 8:33 PM To: Dave Raven Cc: freebsd-net@freebsd.org Subject: RE: Hping/Ping Dear Dave, > Unfortunately I don't have most of that information, I can try to > get more but my question is if hping works and ping doesn't shouldn't I be > looking on the box itself not at the network ? With icmp I think about icmp bandwidth limit. sysctl -a | grep icmp net.inet.icmp.icmplim: 200 but then you should see messages about that in the logs (dmesg). Kind regards, Ingo Flaschberger