From owner-freebsd-questions@FreeBSD.ORG Wed Jul 16 09:53:07 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 883B537B401 for ; Wed, 16 Jul 2003 09:53:07 -0700 (PDT) Received: from out006.verizon.net (out006pub.verizon.net [206.46.170.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9FDE543F85 for ; Wed, 16 Jul 2003 09:53:06 -0700 (PDT) (envelope-from cswiger@mac.com) Received: from mac.com ([141.149.47.46]) by out006.verizon.net (InterMail vM.5.01.05.33 201-253-122-126-133-20030313) with ESMTP id <20030716165305.QJIA16647.out006.verizon.net@mac.com>; Wed, 16 Jul 2003 11:53:05 -0500 Message-ID: <3F1582E1.7070509@mac.com> Date: Wed, 16 Jul 2003 12:52:49 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Francesco Casadei References: <20030716141012.GA1372@goku.kasby> In-Reply-To: <20030716141012.GA1372@goku.kasby> X-Enigmail-Version: 0.76.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH at out006.verizon.net from [141.149.47.46] at Wed, 16 Jul 2003 11:53:05 -0500 cc: freebsd-questions mailing list Subject: Re: PPTP link and MTU X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jul 2003 16:53:07 -0000 Francesco Casadei wrote: [ ... ] > Now the question is: which is the largest value for the MTU of a > PPTP link such that it does not cause IP fragmentation? That depends on the rest of the connection: using path MTU discovery to dynamicly adjust the connection MTU as appropriate can be more accurate than trying to fiddle with it by hand. -- -Chuck