Hi,

On Sun, Nov 05, 2006 at 02:23:11PM +0100, Gert Doering wrote:

> "Where do you send packets to 10.0.0.2 to"?
>  [...]
> Sending through the tunnel (where the "inside" route points to) will
> lead to infinite recursion.  
> 
> Sending them via "outside" routes will mean "you can't ever reach the
> inside point-to-point address of your tunnel peer via the tunnel".
> [...]
> My vote would be to disallow such configurations - log a warning, and
> set the tunnel interface to "DOWN".

I was about to recommend asking Gert Doering as he's the only gre
user I know about; but if hi isn't, then I, too, am in favour of
disallowing such configurations at some level.

Regards,
	-is
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