Friends unable to join game servers I create

[RJLomas]

Hi we have 4G broadband from EE.  My son uses it to game with his friends but they cannot join servers he creates , they just get a message ‘unable to connect’ and when they create a server he gets the same message.  I cannot find any settings which may block this.  Does anyone know what I need to do to allow access?

if we connect to a different hub it works so I assume it’s to do with the EE 4g hub.

[XRaySpeX]

@RJLomas : You are finding yourself up against a limitation of EE's mobile network. The EE mobile network uses Carrier Grade NAT (CGNAT) resulting in a double NAT, which games consoles often object to, which means you don't get your own public IP address but share it with other users. So you can't be uniquely id'ed on the Net & therefore your LAN cannot be addressed from outside for unsolicited accesses. This is unlike fixed BB. 

If this occurs there is nowt you can do to avoid it.

IMHO EE the mobile network is not really suitable for gaming.