From owner-freebsd-questions@FreeBSD.ORG Wed Jun 18 05:07:14 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8EA63106566B for ; Wed, 18 Jun 2008 05:07:14 +0000 (UTC) (envelope-from prad@towardsfreedom.com) Received: from pd3mo3so.prod.shaw.ca (idcmail-mo1so.shaw.ca [24.71.223.10]) by mx1.freebsd.org (Postfix) with ESMTP id 657068FC27 for ; Wed, 18 Jun 2008 05:07:14 +0000 (UTC) (envelope-from prad@towardsfreedom.com) Received: from pd3mr4so.prod.shaw.ca (pd3mr4so-qfe3.prod.shaw.ca [10.0.141.180]) by l-daemon (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0K2N00J5J7H4YFD0@l-daemon> for freebsd-questions@freebsd.org; Tue, 17 Jun 2008 23:05:28 -0600 (MDT) Received: from pn2ml7so.prod.shaw.ca ([10.0.121.151]) by pd3mr4so.prod.shaw.ca (Sun Java System Messaging Server 6.2-7.05 (built Sep 5 2006)) with ESMTP id <0K2N005557H4JB50@pd3mr4so.prod.shaw.ca> for freebsd-questions@freebsd.org; Tue, 17 Jun 2008 23:05:29 -0600 (MDT) Received: from gom.home ([70.67.160.176]) by l-daemon (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0K2N002OC7H0MM60@l-daemon> for freebsd-questions@freebsd.org; Tue, 17 Jun 2008 23:05:27 -0600 (MDT) Received: from gom.home (localhost [127.0.0.1]) by gom.home (Postfix) with ESMTP id 83BD3B839; Tue, 17 Jun 2008 22:05:14 -0700 (PDT) Date: Tue, 17 Jun 2008 22:05:14 -0700 From: prad In-reply-to: <20080616082332.02b87114.wmoran@potentialtech.com> To: freebsd-questions@freebsd.org Message-id: <20080617220514.1ebdabef@gom.home> MIME-version: 1.0 X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.1; i386-portbld-freebsd7.0) Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7bit References: <20080616001840.0d0e8fe9@gom.home> <20080616082332.02b87114.wmoran@potentialtech.com> Cc: wmoran@potentialtech.com Subject: Re: internet slowdown X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Jun 2008 05:07:14 -0000 On Mon, 16 Jun 2008 08:23:32 -0400 Bill Moran wrote: > Is the console responsive when this happens? > when it bogs it takes ages to even ssh into the server. > It doesn't sound like a > CPU issue to me -- ICMP messages are low enough CPU overhead that the > system would have to be pretty badly bogged for CPU starvation to > cause problems. > agreed - otherwise why would the cpu be idle. > What do your network traffic graphs show during the slowdowns? > Perhaps some sort of network flood occurring? > we are looking at flow-tools unless you have any other suggestions. there has been no problems for 2+ days, but we are going to follow through on this anyways and be prepared. thank you for your ideas bill and i'll let you know if we learn anything. -- In friendship, prad ... with you on your journey Towards Freedom http://www.towardsfreedom.com (website) Information, Inspiration, Imagination - truly a site for soaring I's