Subject: Re: gre tunneling causing predictable reboot
To: Rick Byers <>
From: Greg A. Woods <>
List: tech-net
Date: 04/19/2001 01:12:28
[ On Wednesday, April 18, 2001 at 21:26:00 (-0400), Rick Byers wrote: ]
> Subject: gre tunneling causing predictable reboot
> I've been using gre for a while for IP over IP tunneling.  I have a
> few networks that use an internal private IP range with NAT to
> connect to the internet.  To facilitate direct communication between
> the internal machines (i.e. using the private IP ranges), each pair
> of networks has a GRE tunnel between it.  Each gateway is running
> NetBSD/i386 (some on 1.4, some on 1.5).

I gave up on GRE and switched to GIF because the former is much more
fragile and buggy than the latter.

Other than better stability the only difference seems to be the MTU,
which of course is smaller on GIF tunnels.

							Greg A. Woods

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