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VPN Server and NAT-Traversal

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#1 espritlibre


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Posted 06 March 2016 - 07:10 AM



I'd like to configure a VPN server inside a LAN without changing perimetral router configuration.


This should be possible using NAT-T, but I can't understand how does the router know the request has to be redirected to the VPN server, when a VPN client asks for a connection.


Could someone explain me how does NAT-Traversal work?


Thank you for your help.

Edited by espritlibre, 06 March 2016 - 07:11 AM.

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#2 Kilroy


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Posted 07 March 2016 - 01:19 PM

Here's how NAT-T works in the Cisco world.  The biggest stumbling block you're going to find is "If both devices support NAT-T" if the router you don't want to, or can't, change doesn't support NAT-T, it won't work.

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