From owner-freebsd-hackers@FreeBSD.ORG Wed Feb 18 08:42:02 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1FDFC1065672 for ; Wed, 18 Feb 2009 08:42:02 +0000 (UTC) (envelope-from maxim@macomnet.ru) Received: from mp2.macomnet.net (cl-2958.ham-01.de.sixxs.net [IPv6:2001:6f8:900:b8d::2]) by mx1.freebsd.org (Postfix) with ESMTP id 826708FC12 for ; Wed, 18 Feb 2009 08:42:01 +0000 (UTC) (envelope-from maxim@macomnet.ru) Received: from localhost (localhost [127.0.0.1]) by mp2.macomnet.net (8.14.2/8.14.2) with ESMTP id n1I8g0eT073649; Wed, 18 Feb 2009 11:42:00 +0300 (MSK) (envelope-from maxim@macomnet.ru) Date: Wed, 18 Feb 2009 11:42:00 +0300 (MSK) From: Maxim Konovalov To: xorquewasp@googlemail.com In-Reply-To: <20090218083424.GA62198@logik.internal.network> Message-ID: <20090218114128.B73352@mp2.macomnet.net> References: <20090218083424.GA62198@logik.internal.network> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: freebsd-hackers@freebsd.org Subject: Re: Simulating bad network conditions X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Feb 2009 08:42:02 -0000 On Wed, 18 Feb 2009, 08:34-0000, xorquewasp@googlemail.com wrote: > Hello. > > I want to verify that a program I'm developing works correctly > in poor network conditions (high latency, random packet loss, etc). > > I seem to remember reading something once about somebody simulating > these conditions with PF but can't remember where. > > Anybody got any ideas about how I could go about doing this? > ipfw(8) prob + dummynet(8). -- Maxim Konovalov