I'm not working online in Forza Horizon 3 with friends?

Hi, I bought Forza but online doesn't always work when I enter where it says 10 seconds later that it didn't work and then a network diagnosis.

Is your Nat type open or what status does he have?

What is a nat type and offer.

If you look at settings under network settings then you will see what your Nat type is and what you are connected to and you can have the connection tested.

Nat type is basically the addressing of the network, so the nat type gives your network the IP address