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3rd party VPN client within a VPN network

We are doing router to router VPN using the 2620. For Internet access, the users simply go out the same router using NAT.

We have an application that runs a VPN client on a workstation and connects using IPSec. This workstation sits behind the NAT router. The returning packets (UDP, port 500) are not making it back into the workstation. I imagine is has something to do with the router to router VPN setup. Is there any way to pass those packets back into the private network? This works just using NAT, but not when the VPN tunnels are set up.

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Re: 3rd party VPN client within a VPN network

It should be dependant on the rules of your crypto-map access list or your firewall rules. Exclude that workstation from the crypto map and make sure the firewall isn’t discarding those return packets.

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