From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 29 Jun 2001 06:00:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 29 Jun 2001 06:00:32 -0400 Received: from mean.netppl.fi ([195.242.208.16]:9488 "EHLO mean.netppl.fi") by vger.kernel.org with ESMTP id ; Fri, 29 Jun 2001 06:00:26 -0400 Date: Fri, 29 Jun 2001 13:00:24 +0300 From: Pekka Pietikainen To: linux-kernel@vger.kernel.org Subject: Re: artificial latency for a network interface Message-ID: <20010629130024.A11205@netppl.fi> In-Reply-To: <3B3C0060.FBDB5F87@uow.edu.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3i In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 28, 2001 at 11:29:38PM -0500, Burkhard Daniel wrote: > I had a similiar problem once, and wrote a module that overwrote the > loopback net device. Since it's loopback, the kernel won't care about > headers. > > Yeah, I know: Quick & Dirty. > > I made the new loopback put its packets in a queue and then deliver them > after a (adjustable) delay. > > If I can still find the source for this, I'll post it here. > And for something with a lot more options, try http://www.antd.nist.gov/nistnet. Works great, lets you drop packets, have variable latency, simulate congestion, almost everything you need to simulate networks. Even has a nice GUI to tune it all ;)