From owner-freebsd-questions@FreeBSD.ORG  Tue May 17 22:14:12 2011
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 9BCAE106578B
	for <freebsd-questions@freebsd.org>;
	Tue, 17 May 2011 22:14:12 +0000 (UTC)
	(envelope-from lokadamus@gmx.de)
Received: from mailout-de.gmx.net (mailout-de.gmx.net [213.165.64.23])
	by mx1.freebsd.org (Postfix) with SMTP id C929B8FC0A
	for <freebsd-questions@freebsd.org>;
	Tue, 17 May 2011 22:14:08 +0000 (UTC)
Received: (qmail invoked by alias); 17 May 2011 22:14:07 -0000
Received: from d071113.adsl.hansenet.de (EHLO [80.171.71.113]) [80.171.71.113]
	by mail.gmx.net (mp039) with SMTP; 18 May 2011 00:14:07 +0200
X-Authenticated: #3333826
X-Provags-ID: V01U2FsdGVkX1+zqU1kGpyz1V2e8RV2Pu8fDvtjvuXmW9IF1wRZ47
	XXWBNol938ad4m
Message-ID: <4DD2F32D.3090004@gmx.de>
Date: Wed, 18 May 2011 00:14:05 +0200
From: Lokadamus <lokadamus@gmx.de>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de;
	rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10
MIME-Version: 1.0
To: Mario Lobo <lobo@bsd.com.br>
References: <201105151503.19272.lobo@bsd.com.br>
In-Reply-To: <201105151503.19272.lobo@bsd.com.br>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Y-GMX-Trusted: 0
Cc: freebsd-questions@freebsd.org
Subject: Re: pptpd problem (re-post)
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 17 May 2011 22:14:12 -0000

Am 15.05.2011 20:03, schrieb Mario Lobo:
> Sorry for the re-post but I am really lost here.
> Any hints, clues, pointers, opinions would be appreciated.
>
> I have a VPN server on FBSD 8.1. The vpn closes fine. But as soon as I start
> doing something with an inside LAN machine i.e. an RDP session, I get this:
>
> May 14 12:46:06 suporte pptpd[1958]: GRE: xmit failed from decaps_hdlc: No
> buffer space available
> and the VPN tunnel drops.
>
> I googled a lot for it but I didn't find any thing that could help.
> The system WAS working OK before. I tried everything I could think of.
>
> Could anyone help?
> Thanks,
Help this? http://forums.freebsd.org/showthread.php?t=1528
Your values are:

net.inet.tcp.recvbuf_inc=16384
net.inet.tcp.recvbuf_max=16777216
net.inet.tcp.sendbuf_inc=8192
net.inet.tcp.sendbuf_max=16777216

Is ping working?
Have you upgrade to FreeBSD 8.2?

Sorry for my bad english :(