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Date: Fri, 1 Jun 2007 15:14:58 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Alexander Motin <mav@FreeBSD.org>
Message-ID: <20070601111457.GY89017@FreeBSD.org>
Mail-Followup-To: Gleb Smirnoff <glebius@FreeBSD.org>,
	Alexander Motin <mav@freebsd.org>,
	Nikos Vassiliadis <nvass@teledomenet.gr>, freebsd-net@freebsd.org
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Cc: freebsd-net@FreeBSD.org, Nikos Vassiliadis <nvass@teledomenet.gr>
Subject: Re: ng_pptpgre + netmask_change results to lock
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On Wed, May 30, 2007 at 02:32:21PM +0300, Alexander Motin wrote:
A>  Nikos Vassiliadis wrote:
A> >> In my case doing a few times:
A> >> ifconfig fxp0 192.168.1.71/16
A> >> ifconfig fxp0 192.168.1.71/24
A> >> locks the box.
A> 
A>  Doing this you are dropping all routes going via that network. Probably you 
A>  are dropping route to your pptp peer which can lead to wrapping tunnel 
A>  inside himself.

Yes. This is a known problem with netgraph tunnels.

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Totus tuus, Glebius.
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