John - actually, I just did it last night in the lab and it works great
between Cisco routers.

In order to make it work with NAT, a NAT access list that denies the source
VPN network to the destination VPN network and then permitting everything
else from the source VPN network.

Then, a VPN tunnel can be configured from source to destination network

If you do the VPN tunnel across platforms, there are a number of parameters
that need to match.  This is a good document for learning about those
parameters: (watch the URL wrap)
http://www.cisco.com/warp/public/105/IPSECpart1.html

Here's an illustration what I described above, configuring a Cisco router
with NAT and IPSec VPN Tunnels simultaneously: (watch wrap)
http://www.cisco.com/warp/public/707/overload_private.html

good luck, mate
-e-
----- Original Message -----
From: "johnny b" 
To: 
Sent: Wednesday, August 22, 2001 9:40 PM
Subject: VPN through a private IP network [7:16935]


> Hi all,
> Been asked to set up a vpn for a client in both Sydney and Europe. Problem
> that I am running into is that I have heard that VPN's will not work when
> any type of NAT is used. The client wants both server's using 192.168.1.0
> type of IP address's....Can this be done on various platforms, not just
> cisco routers or linux or win2k....
>
> Thanks for your help
>
> John
> Sydney Australia
> [EMAIL PROTECTED]
>
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