From owner-freebsd-net@FreeBSD.ORG Thu Sep 6 20:43:48 2007 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 1658816A417 for ; Thu, 6 Sep 2007 20:43:48 +0000 (UTC) (envelope-from mihai@duras.ro) Received: from mail.duras.ro (mail.duras.ro [86.105.56.133]) by mx1.freebsd.org (Postfix) with ESMTP id BF80613C49D for ; Thu, 6 Sep 2007 20:43:47 +0000 (UTC) (envelope-from mihai@duras.ro) Received: from localhost (localhost [127.0.0.1]) by mail.duras.ro (Postfix) with ESMTP id AFB59167845 for ; Thu, 6 Sep 2007 23:43:50 +0300 (EEST) Received: from mail.duras.ro ([127.0.0.1]) by localhost (mail [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 12640-04 for ; Thu, 6 Sep 2007 23:43:49 +0300 (EEST) Received: from [86.105.56.194] (ma.plimb.cu.barca.prin.padure.ro [86.105.56.194]) by mail.duras.ro (Postfix) with ESMTP id 0028CCDD for ; Thu, 6 Sep 2007 23:43:48 +0300 (EEST) Message-ID: <46E066B1.1040601@duras.ro> Date: Thu, 06 Sep 2007 23:44:33 +0300 From: Mihai Tanasescu User-Agent: Thunderbird 1.5.0.13 (Windows/20070809) MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <1189016608.00796469.1189004406@10.7.7.3> <46DEFC4F.7060802@FreeBSD.org> In-Reply-To: <46DEFC4F.7060802@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new-20030616-p10 (RedHat) at duras.ro Subject: Re: Freebsd MPD PPTP 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: Thu, 06 Sep 2007 20:43:48 -0000 Alexander Motin wrote: > Hi. > > Mihai Tanasescu wrote: >> I'm using MPD4 to establish a PPTP VPN from my FreeBSD 6.2 server to >> some clients and I've started encountering some strange problems. >> >> The connection goes well, everything functions accordingly but after >> a while (very random, can be 5 minutes, 1 hour, 8 hours) I loose >> connectivity (the clients' Windows icon show packet are being sent, >> but nothing is received). A tcpdump on the external interface shows >> no packets going out and the same for tcpdump on ng0 (although I'm >> not sure if it should display something here). > > Tcpdump on ng0 interface should display traffic inside tunnel. It also > may be interesting to look on internal interface as tcpdump is able to > decode PPTP packets. > >> For what I've seen the ip address on the ng0 interface disappears. > > This may be significant. Configure syslog for logging mpd messages, it > should give you information about why IP disappeared. Probably it > happened in result of some error. Also look to the messages logs, > there may be something interesting. > Hello, Sorry..my mistake...I typed ng0 (for the first and second connections) and didn't notice it. Now I have different netgraph interfaces.