From owner-freebsd-questions@FreeBSD.ORG Sat Feb 12 04:09:31 2005 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 D2FAB16A4CE for ; Sat, 12 Feb 2005 04:09:31 +0000 (GMT) Received: from mx2.mail.ru (mx2.mail.ru [194.67.23.122]) by mx1.FreeBSD.org (Postfix) with ESMTP id 59B1B43D58 for ; Sat, 12 Feb 2005 04:09:31 +0000 (GMT) (envelope-from infofarmer@mail.ru) Received: from [83.237.61.33] (port=1437 helo=[172.17.0.69]) by mx2.mail.ru with esmtp id 1Czob4-000Ccx-00; Sat, 12 Feb 2005 07:09:30 +0300 Message-ID: <420D8177.30600@mail.ru> Date: Sat, 12 Feb 2005 07:09:27 +0300 From: "Andrew P." User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dan Nelson References: <420D7EE3.5000305@mail.ru> <20050212040327.GA49626@dan.emsphone.com> In-Reply-To: <20050212040327.GA49626@dan.emsphone.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam: Not detected cc: FreeBSD-Questions Subject: Re: Concealing short disconnects X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: infofarmer@mail.ru List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Feb 2005 04:09:31 -0000 Dan Nelson wrote: > In the last episode (Feb 12), Andrew P. said: > >>I have a few machines behind my FreeBSD box. The box connects to ISP >>via ppp (PPPoE protocol). It's all working very nicely, but the ISP >>is a pain - it disconnects every 24 hours. I can reconnect in just a >>moment - so the diconnect is usually less than a second long, but >>many applications, like ICQ/MSN and games "feel" the disconnect. The >>matter is that these applications can handle fairly large packet loss >>(e.g. Counter-Strike can cope with at least 15-second long 100% >>packet loss), but AFAIK it's in the nature of the TCP/UDP that a >>disconnect is a disconnect. >> >>As I know that FreeBSD is full of magic, is there any way to >>conceal these reconnects as short moments of 100% packet loss? >>I am ashamed to know very little about protocols' technicalities, >>but I'll look into any sources you advise. > > > Check to see if your IP number changes when you reconnect. If it does, > there's nothing you really can do; the remote system you were talking > to knew you only by your old IP, and those packets coming to them from > this other IP are unrelated. > It changes only once in about a week. Let's say it doesn't change at all. What then? Best wishes, Andrew P.