3.5.1 to 506th Pix VPN Client using IPsec over TCP

Is it possible to do when there is a device in the path of the VPN tunnel that will make the static NAT?

The reason is that the external interface of the Pix will have a private address, and it is the endpoint of the tunnel. The performance of NAT device has a public address, who thinks that the VPN client is the end of the tunnel, the static NAT will result the incoming packets on port UDP 500 for a destination of the Pix.

Thank you.

The Pix can not do TCP encapsulation. He can do UDP encapsulation.

You can create IPSec tunnels to the external of the Pix even if address he addresses NATted provided that it is NOT of PAT and NAT.

Tags: Cisco Security

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