From owner-freebsd-net@FreeBSD.ORG  Tue Jul 12 14:14:45 2005
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: freebsd-net@freebsd.org
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 110CF16A41C
	for <freebsd-net@freebsd.org>; Tue, 12 Jul 2005 14:14:45 +0000 (GMT)
	(envelope-from keramida@freebsd.org)
Received: from kane.otenet.gr (kane.otenet.gr [195.170.0.95])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4F51243D46
	for <freebsd-net@freebsd.org>; Tue, 12 Jul 2005 14:14:44 +0000 (GMT)
	(envelope-from keramida@freebsd.org)
Received: from beatrix.daedalusnetworks.priv (aris.bedc.ondsl.gr
	[62.103.39.226])
	by kane.otenet.gr (8.13.4/8.13.4/Debian-1) with SMTP id j6CEEdaY024375; 
	Tue, 12 Jul 2005 17:14:39 +0300
Received: from beatrix.daedalusnetworks.priv (localhost [127.0.0.1])
	by beatrix.daedalusnetworks.priv (8.13.3+Sun/8.13.3) with ESMTP id
	j6CEEdaJ009150; Tue, 12 Jul 2005 17:14:39 +0300 (EEST)
Received: (from keramida@localhost)
	by beatrix.daedalusnetworks.priv (8.13.3+Sun/8.13.3/Submit) id
	j6CEEda8009149; Tue, 12 Jul 2005 17:14:39 +0300 (EEST)
X-Authentication-Warning: beatrix.daedalusnetworks.priv: keramida set sender
	to keramida@freebsd.org using -f
Date: Tue, 12 Jul 2005 17:14:39 +0300
From: Giorgos Keramidas <keramida@freebsd.org>
To: Roman Kurakin <rik@cronyx.ru>
Message-ID: <20050712141439.GB9066@beatrix.daedalusnetworks.priv>
References: <42D3B9A8.6000803@cronyx.ru>
	<20050712134925.GB1061@beatrix.daedalusnetworks.priv>
	<42D3CBD9.2090901@cronyx.ru>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <42D3CBD9.2090901@cronyx.ru>
Cc: freebsd-net@freebsd.org
Subject: Re: ping delay, initial request
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 12 Jul 2005 14:14:45 -0000

On 2005-07-12 17:55, Roman Kurakin <rik@cronyx.ru> wrote:
>> Is it possible that flood ping hits an icmp rate-limiting watermark
>> and then every subsequent icmp packet gets penalized with a delay
>> until a fair amount of time passes?

> Wasn't observed on ethernet iface. But this is good idea to test delay
> by some other type of packets. Do you know any good ans simple tool
> for that?

The src/tools/tools/netrate tree contains utilities that Robert Watson
has written.  The netrate tools use UDP, so they may be useful :)