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I have manage to set up the RUT240 so that the Unifi USG is getting mobile internet using DHCP settings. All is online etc.

But I am not able to get the VPN working trough this. Using the public WAN IP I am getting an error. The public WAN IP is not the same as the USG is showing that it has as that one is a 10.227.x.x

Any idea why VPN does not work but everything else?

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Please post your questions once. The followup will only be published in this question: https://community.teltonika-networks.com/47352/rut240-mobile-passtrought-mode-vpn-not-working.

Best regards,


This is a unif setup not edgemax. I have set up tens of systems with VPN L2TP that works fine, so im 100% sure that part is set up correct. The Unifi USG router now get WAN ip by using DHCP. Howerver the IP it gets is not the public WAN IP, and i belive this is the main issue.

Is there anything special that needs to be set up beside activating passtrought? Any LAN settings etc?

I cannot see anywhere inside this router that it shows the public wan ip?