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maiyaa
New Member
June 29, 2026
Question

IPsec VPN issue in firewall policies with NAT enabled

  • June 29, 2026
  • 1 reply
  • 38 views

Hi everyone,

We are currentrly switching SSL-VPN to IPsec on our good old FG-200e (v7.4.12)

The problem I am facing is that we have a few VPN > SD-WAN rules with NAT enabled, so that the traffic goes trough the tunnel and arrives destinations (IP adresses of AWS servers and some other FQDN's) with our main link IP address.

It works fine on SSL-VPN, but I can't make it work with IPsec

Any ideas why this happens? Really need to sort this out ASAP

Thank you 

    1 reply

    hpenmetsa
    Staff
    Staff
    June 29, 2026

    Hi, are you using IPsec with a full-tunnel configuration? If so, could you please check which firewall policy the traffic is hitting? please validate your configuration against the document below:

    Â