VPN and Port Translation

Unanswered Question
Jan 31st, 2007


We have successfully set up a VPN configuration for many Dial-in Cisco VPN Client into our 515E box (version is 7.0).

Each user has its own IP statically assigned (no IP Pools). All IPs are in the range

We use nat exemption so that the PC on VPN network 10.81.60.x can connect to 10.95.x.x without translation.

Now the question: After the VPN is established we need to connect from a machine on 10.95.x.x to a PC on 10.81.60.x with *port translation*. Example: trying to connect to port 21 at should be translated to 9000 @ Is this possible?


I have this problem too.
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ggilbert Fri, 02/02/2007 - 08:58

I do not think this can be done.

Since you are doing NAT exemption, the packets will be exempted through the NAT process.

So, in short what you are trying to do cant be done.




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