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ghani
New Contributor

Created on ‎09-13-2021 03:58 AM

DNS suffix configuration in IPSec phase1-interface

I have a problem that DNS resolution doesn't on my IPsec VPN tunnel. I have seen online that I need to "set domain" in my IPSec phase1-interface configuration. However the command "set domain <domain.xyz>" is not available. I have already enabled mode-cfg. Could you please give me any tips on how can I achieve this? I am using fortogate v6.4. 

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sw2090
Honored Contributor

Created on ‎12-29-2022 11:55 PM

I had issues with DNS not working in IPSec too. The culprit was that I did set DNS Server(s) and also did set the suffix but the DNS mode was still at auto. Since I did set that up in FortiManager that might have been a bug in FMG.

But also that could mean that you have to set the DNS mode on your p1 to "manual" to make the domain option available...

 

hth

Seastian

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