PAT at VPN 3030 concentrator

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Jun 5th, 2007
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Hi,


has anyone tested the PAT (NAT for LAN-to-LAN tunnels). In the documentation i can?t find a hint if the Translated network should be one IP or can be a range. The only point i can find is this:


PAT LAN-to-LAN NAT rules are Edenic rules with Port Address Translation.


What is a Edenic rule ?


Thanks for any help/hint !


Christoph

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ggilbert Mon, 06/11/2007 - 12:20
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  • Cisco Employee,

Christoph,


I have done this configuration in the lab and it works.


So, here's the scenario - lets say when the remote network is 10.10.10.x/24 - your local network is 20.20.20.x/24 and you want the local network to be translated as 30.30.30.2/32


Then here are the things you would add on the NAT translation section.

Select PAT.


Local Network: 20.20.20.0 WCM: 0.0.0.255

Translated Address: 30.30.30.2 WCM: 0.0.0.0

Remote Network: 10.10.10.0 WCM: 0.0.0.255



On the LAn to LAN section when you configure the Local and remote work, your local network would be 30.30.30.2 WCM: 0.0.0.0 and remote network would be 30.30.30.0 WCM: 0.0.0.255


WCM - Wild Card Mask


Hope this explains what you are trying to do.


Cheers,

Gilbert

c.ohliger Mon, 06/11/2007 - 21:53
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Hi Gilbert,


thanks for your answer !


I have some additional questions:


- I assume you tried to use this PAT with several internal clients, my installation failed after the second client is trying to use PAT.


-Have you tried to use several IPs for the PAT, for example Translated Address 30.30.30.128 WCM: 0.0.0.127 ?


- Do you know what edenic from the documentation means ?


- What version are you using on the concentrator ?


Thanks

Christoph

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