NAT + VPN

Aug 07, 2008 1 Replies
NAT + VPN open original image

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


I believe that NAT alone will put you into troubles... But combined with GRE tunnel should work. See here for some reference:

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Wieslaw

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