@woozle Thank you for your help and information, much appreciated! I'll contact the ISP if I still not get a public IPv4 address at the boat. Regards

@woozle Interesting! Seems preferable to use the direct connect method then (even if the server option obviously works well and is a easy solution). But why does mobile ISPs don't use public IPv4...

@woozle Maybe a stupid question but from internet I can reach a EZVIZ camera behind the MR600: how does the app knows where to find it?...

@woozle Thank you! It seems that's the problem and my IP is in the range described in the post you linked too. I intend to use the router on a boat in southern Europe so I suppose I get another ISP...

Hello Setting up a Openvpn server on a Archer MR600. Imported the configuration to Android app but get time out error when trying connect to the server. I've tried activate AES-CBC Cipher Algorithm...