NAT + VPN
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Posted by on August 7, 2008, 5:16 am
Please log in for more thread options Hello, I have to create a vpn L2L with another site using my router Cisco 2651. Unfortunately the subnets on my end are not compatibles with the infrastructure on other side. The customer (the peer) asked to me if I can perform first a nat of my originals addresses and then create the tunnel with him using as source my natted addresses and as destination his addresses. I know that is possible if I use a concentrator, but using a router? I use this IOS version: 12.3(4)T4 Many thanks for your help! Raffa | ||||||||||||||||
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Posted by Wwieslaw on August 7, 2008, 1:49 pm
Please log in for more thread options michele.qualizza@gmail.com wrote: I believe that NAT alone will put you into troubles... But combined with GRE tunnel should work. See here for some reference: http://www.dslreports.com/faq/10380 Wieslaw | ||||||||||||||||
>
> I have to create a vpn L2L with another site using my router Cisco
> 2651. Unfortunately the subnets on my end are not compatibles with the
> infrastructure on other side.
>
> The customer (the peer) asked to me if I can perform first a nat of my
> originals addresses and then create the tunnel with him using as
> source my natted addresses and as destination his addresses.
>
> I know that is possible if I use a concentrator, but using a router?
>
> I use this IOS version: 12.3(4)T4
>
> Many thanks for your help!
>
> Raffa