What is the difference between a WAN and a LAN port?

In the context of a wireless router, the WAN in question is almost always the Internet itself. A router may have one or more LAN ports into which the users plug computers and other devices that need an Internet connection. read more

In consumer-grade Routers, the distinction between a “WAN port” and a “LAN port” is typically driven by the default configuration of the firmware (software) in the device - the ports are typically both Ethernet interfaces. read more

A wide area network is one that covers a much bigger region than a local area network, which could be across a town, a region, a country or the entire world. Though there's no commonly-agreed precise cutoff point between a LAN and a WAN, a WAN tends to use"external" cabling such as a phone network or a cable company's fiber optic network. read more

A LAN port is one which connects the computers and other clients. On the other hand, A WAN port is used to establish a connection with an external network like the internet. read more