From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Corbin <dcorbin@machturtle.com>
Date: Sat, 23 Jul 2005 17:53:36 +0000
Subject: Confirming GRE Works
Message-Id: <200507231353.37612.dcorbin@machturtle.com>
List-Id: <linux-ppp.vger.kernel.org>
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To: linux-ppp@vger.kernel.org

This link http://pptpclient.sourceforge.net/howto-diagnosis.phtml#gre says 
that I can use hping2 to confrim GRE packets are not being blocked.  Is it 
anything more than "hping2 -T <host>"?  I get 100% packet loss, with no nodes 
listed.

I assume this means I've got an iptable on my local system?

David