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PPPoE:
Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a secure data
transmission method originally created for dial-up connections; PPPoE is for Ethernet
connections. PPPoE relies on two widely accepted standards, Ethernet and the Point-to-Point
Protocol. It is a communications protocol for transmitting information over Ethernet between
different manufacturers
Protocol:
A protocol is a set of rules for interaction agreed upon between multiple parties so that
when they interface with each other based on such a protocol, the interpretation of their behavior is
well defined and can be made objectively, without confusion or misunderstanding.
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
graphicaluser 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.
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