DG-BG4100NU User Manual
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PPPoE: (Point-to-Point Protocol ov er Ethernet.) Point-to-Point Protocol is a secure data
transmission method originally created for dial-up connections; PPPoE is f or 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 f or interaction agreed upon between multiple parties so
that when they interf ace with each other based on such a protocol, the interpretation of their
behavior is well defined and can be made objectiv ely, without conf usion 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 inf ormation prov ided by your
ISP, is a set of f our numbers (e.g. 255.255.255.0) conf igured like an IP address. It is used to
create IP address numbers used only within a particular network (as opposed to v alid IP
address numbers recognized by the Internet, which must be assigned by InterNIC).
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