Wide Area Network, WAN is a gathering of machines and system assets joined by means of a system over a geographic range. Wide-Area Networks are usually joined either through the Internet or unique courses of action made with telephone organizations or other administration suppliers. A WAN is not quite the same as a MAN in light of the separation between each of the systems. In a WAN, one system may be anyplace from numerous hundred miles away, to over the globe in an alternate nation.
For home switches the port the switch interfaces with your Internet association is regularly marked as a WAN, Network or Internet port, since it is the thing that permits your home system to speak with the Internet system. In the underneath picture, is a case of the Internet port on the once again of a home switch, beside four standard Ethernet ports.