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Posted by Hexalon on August 1, 2007, 9:42 am
If you were Registered and logged in, you could reply and use other advanced thread options > Hi,
>
> We are having great problems getting IPSec to work via the Watchguard Mobile
> User VPN (MUVPN) and I believe it is because it can not handle two NATs. We
> have a Netgear DG834PN ADSL router which feed into a Watchguard Firebox Edge
> X20e-W firewall which then feeds the internal network.
>
> We have a Demon ADSL broadband and the whole thing is set up as follows:-
>
> ADSL --- (PIP) Netgear (192.168.0.1) ------ (192.168.0.2) Firebox (IIP)
>
> where PIP is my abbreviation fot Public IP address and IIP is our internal
> subnet.
>
> What I think we need to do is to somehow expose the PIP to the firebox in
> order to cut out one of the NATs. This worked before in a previous ADSL
> router by what they called port forwarding (I thinik of it more as address
> forwarding). We have tried turning off the NAT in the Netgear box but still
> cannot get anything to work. The above setup works fine for ordinary
> Internet access and indeed for standard Microsoft PPTP VPN.
>
> Has anyone got any experience of the Netgear unit and any ideas about how we
> can get round this problem?
>
> Regards,
>
> Vic Russell
Your ISP should provide you with a public IP and a subnet mask. You
shouldn't need NAT at all. Your firewall should provide adequate
protection.
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