I having trouble connecting my VPN when my RUT240 is connected to the Internet through the 4G network. It works perfectly when I'm using a WiFi or a Ethernet connection. In fact I have 3 RUT240. Only one manages to connect to the server (windows 10) and I'm able to ping every device on the network but that's it... No way to charge any web page. The other two cannot connect at all... I've read somewhere that the MTU/MSS could be too long? Is there someone who has already met this problem?
Thank you in advance for your help!