Edimax Technology BR-6214K - Manual (Page 45)

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Router: A router is an intelligent network device that forwards packets between different networks based on network
layer address information such as IP addresses.
Subnet Mask: A subnet mask, which may be a part of the TCP/IP information provided by your ISP, is a set of four
numbers (e.g. 255.255.255.0) configured like an IP address. It is used to create IP address numbers used only within a
particular network (as opposed to valid IP address numbers recognized by the Internet, which must be assigned by
InterNIC).
TCP/IP, UDP: Transmission Control Protocol/Internet Protocol (TCP/IP) and Unreliable Datagram Protocol (UDP).
TCP/IP is the standard protocol for data transmission over the Internet. Both TCP and UDP are transport layer protocol.
TCP performs proper error detection and error recovery, and thus is reliable. UDP on the other hand is not reliable. They
both run on top of the IP (Internet Protocol), a network layer protocol.
WAN: Wide Area Network. A network that connects computers located in geographically separate areas (e.g. different
buildings, cities, countries). The Internet is a wide area network.
Web-based management Graphical User Interface (GUI): Many devices support a graphical user interface that is
based on the web browser. This means the user can use the familiar Netscape or Microsoft Internet Explorer to
Control/configure or monitor the device being managed.