RAK7258 Configuration for Semtech Lora Network Server using authentication

Hello there-

I have been trying without success, to connect gateway RAK7258 to the Semtech Lora Network Server using authentication, I successfully connected it to the built-in network server, but not for Semtech Network Server in the cloud, it never sees the gateway. Could you please show screenshots or advice on how to configure this gateway.

I already get the CA certificate, TLS certificate and TLS Key from Semtech Network Server, and also connection to the internet is working properly in the gateway.

I am using US915 frequency range.

Thanks a lot for your attention.