From owner-freebsd-net Wed Apr 18 12:45:22 2001 Delivered-To: freebsd-net@freebsd.org Received: from mx.databus.com (p101-44.acedsl.com [160.79.101.44]) by hub.freebsd.org (Postfix) with ESMTP id 7D53E37B422 for ; Wed, 18 Apr 2001 12:45:20 -0700 (PDT) (envelope-from barney@mx.databus.com) Received: (from barney@localhost) by mx.databus.com (8.11.3/8.11.3) id f3IJivD58575; Wed, 18 Apr 2001 15:44:57 -0400 (EDT) (envelope-from barney) Date: Wed, 18 Apr 2001 15:44:57 -0400 From: Barney Wolff To: Adi Cc: freebsd-net@FreeBSD.ORG Subject: Re: ICMP echo measurement discrepancy Message-ID: <20010418154457.A58540@mx.databus.com> References: <20010418080531.A35252@mighty.grot.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <20010418080531.A35252@mighty.grot.org>; from lists@lists.grot.org on Wed, Apr 18, 2001 at 08:05:31AM -0700 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org How many packets does fping send in a burst? Perhaps it's too many for the router or switch to buffer, and they're getting dropped before ever leaving your site. Your host can send them far faster than they can be transmitted over the sdsl link. Barney Wolff On Wed, Apr 18, 2001 at 08:05:31AM -0700, Adi wrote: > I have a SDSL 768K lightly loaded DSL circuit terminating on a Flowpoint 2200 > SDSL router connected to an ethernet switch off of which I have 3 FreeBSD > machines: > > ---768K SDSL---==[switch]===(FreeBSD machine) > > I also control the ISP end of the DSL circuit. Depending on the *line > encapsulation of the SDSL circuit*, different programs running ICMP echo > report different packet loss rates with otherwise the _exact_ same setup. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message