Cosy 131 WiFi allows internet connection for a laptop

I have a problem. I would like to use my Ewon Cosy 131 WiFi to let/allow my laptop connect to internet.
If I understand it is possible to do.
So:
a) I connect Cosy 131 to my mobile phone and I can see it online on the ecatcher. I also can connect and create the VPN tunnel.
b) Then I change the “comcfg” --> NATLTF = 2 and FWRDTOWAN = 1
c) I connect the laptop network card to the PORT 1 (LAN) of my Cosy 131
d) I keep the properties as: obtain IP address and obtain DNS both automatically
e) Internet doesn’t work on my laptop. Cosy 131 still online and able to create VPN.
Any reason? Where am I wrong?
Thanks to help.

4 posts were merged into an existing topic: Internet for Service PC