From: jhuston (jhuston@xxxxxxxxxxx)
Date: Fri Jun 15 2001 - 11:11:19 GMT-3
I know in the cases that I have worked on, that a GRE tunnel clear up
timing problems between the various interfaces of a PIX, Router and
mobile users. I agree that it seems to be a conservative approach but a
workable one.
> -----Original Message-----
> From: Andrew G. Mason [mailto:andrew@masontech.com]
> Sent: Thursday, June 14, 2001 5:40 PM
> To: ccielab@groupstudy.com
> Subject: IPSec and GRE
>
>
> Hi,
>
> I see quite a few posts and recommendations to use GRE
> tunnels with IPSec.
> This confuses me because IPSec performs tunnelling in its default
> configuration anyway so I cannot see any reason for
> tunnelling through a
> tunnel?
>
> Can anybody give a good reason to use a GRE tunnel instead of
> the default
> IPSec tunnel mode configuration?
>
> Cheers
>
>
> Andrew G. Mason
> CCIE #7144
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