Thanks for answer If I use 3G/4G connection WAN port, the router get IP correctly from ISP on the WAN side; but if I use WAN Ethernet port connected to ISP (3G/4G for backup) this port no obtain IP...

Model : Hardware Version : Firmware Version : ISP : Hello, I have a problem to configure WAN PORT to obtain IP from external DHCP. (Dynamic IP) Router try to connect whitout success. In Static IP all...