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lgodlewski
Explorer
‎2025-04-22 08:15 AM

S2S VPN behind NAT and DAIP

Hi all,

I need to configure a temporary S2S VPN between Checkpoint appliances.

The new device will be behind a broadband connection with a dynamically assigned public IP address, which will be NATed to a private address.

diagram.jpg

 

I am able to establish SIC connectivity between SMS and the remote gateway; however, when I try to generate traffic from the host, I am getting a message that says, 'VPN failed to resolve Gateway IP address.' Has anyone else had the same problem?

2025-04-22_17h09_50.jpg

 

gw settings2.jpg

 

 

 

 

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PhoneBoy
Admin
Admin
‎2025-04-22 01:41 PM

Version/JHF of all relevant components here.
Have you successfully pushed policy to this remote DAIP gateway?
What side of the VPN is initiating the connection?
Typically, this should be done from the DAIP gateway side.

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