Can't setup my smartthings 2018 hub to Xfinity

I tried all the tips in the guide, i get to the point lights change from green to red, the app never finds the hub. Any tips??

What’s the model number of your hub?

Hola

It is a

Thanks !

I have this hub and Xfinity also.

Did you log in to your router to make sure your selected ethernet port is sending data to your hub?

Yes I check the app and it shows data traffic