From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@redhat.com>
Subject: Re: GRE tunnel keepalive support?
Date: Tue, 9 Dec 2003 22:33:21 -0800
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To: Daniel Roesen <dr@cluenet.de>
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On Wed, 10 Dec 2003 06:44:20 +0100
Daniel Roesen <dr@cluenet.de> wrote:

> is anybody aware of anyone implementing keepalives for GRE tunnels?
> I don't want to duplicate efforts...
> 
> http://www.cisco.com/en/US/products/sw/iosswrel/ps1838/
> products_feature_guide09186a0080134a36.html

Not to my knowledge.  It looks like a rather simple mechanism,
and should be easy to code up.  Feel free.