thanks for replying. Btw I like your Style of Youtube Videos on your channel :-).
I found out: NAT-Type 2 has something to do with Playstation 4 Network Configuration and Quality. And NAT-Type 2 seems to be the Configuration you want to have.
A friend of mine works at Vodafone. I spoke to him on the phone for a long time yesterday. He said that I am not the only one who would like to have a public IP address. There are many cases where, for example, farmers have equipped their farm with IP cameras, all connected to an a LTE router. In order for the farmer to access his cameras, he needs a public IP address (just like me).
This technical change can be activated in the mobile phone contract. For Vodafone, it's just a mouse click, nothing more. For the customer, it doesn't change anything either. No other APN settings or even SIM cards.
That was what he said and he activated this option for my contract. And as I have mentioned in my first Post, it changed the ip adresses. My WAN IP address is now the same as my public Internet IP address. So first I thought, that it is working now. But as you can see, unfortunately it is not.
How can I find out for sure if it's the Internet access or even the router settings?