From owner-freebsd-net@FreeBSD.ORG Wed Jul 16 16:50:37 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1BAE410656A0 for ; Wed, 16 Jul 2008 16:50:37 +0000 (UTC) (envelope-from freebsd-net@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id C901F8FC2A for ; Wed, 16 Jul 2008 16:50:36 +0000 (UTC) (envelope-from freebsd-net@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1KJAD0-0001Tm-ES for freebsd-net@freebsd.org; Wed, 16 Jul 2008 16:50:30 +0000 Received: from mulderlab.f5.com ([205.229.151.151]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 16 Jul 2008 16:50:30 +0000 Received: from atkin901 by mulderlab.f5.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 16 Jul 2008 16:50:30 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-net@freebsd.org From: Mark Atkinson Date: Wed, 16 Jul 2008 09:50:22 -0700 Lines: 13 Message-ID: References: <5D49E7A8952DC44FB38C38FA0D758EAD196E6F@mtlexch01.mtl.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: mulderlab.f5.com User-Agent: KNode/0.10.5 Sender: news Subject: Re: "ping" with packets larger then 25152 bytes fails. X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jul 2008 16:50:37 -0000 Eitan Shefi wrote: > When I run "ping" between 2 identical FreeBSD hosts, with packets larger > then 25152 bytes, "ping" fails. > > Does someone has an idea what might cause this failure ?[ My first guess is you're probably hitting the fragment limit for maximum fragments per packet. Which is like 16/packet by default. -- Mark Atkinson atkin901@yahoo.com (!wired)?(coffee++):(wired);