SnapGear LITE, User Manual, Page: 8 / 95

Introduction
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PPP Point-to-Point Protocol. A networking protocol designed for simple links
between two peers.
PPPoE Point to Point Protocol over Ethernet. A protocol for connecting the users on an
Ethernet to the Internet through a common broadband medium, such as a single
DSL line, wireless device or cable modem.
PPTP Point-To-Point-Tunneling-Protocol. This is a protocol developed by Microsoft™
that is now popular for VPN applications. While generally not considered as
secure as IPSec it is considered “good enough” technology, especially since
Microsoft responded to a number of flaws in the original implementations.
Road Warrior A remote machine that does not have a fixed IP address.
Router A network device that moves packets of data. Differs from a hub or switch in
that a router usually is “intelligent” enough to know where final destinations
should be and how to get the packets there.
Subnet Mask See “Net Mask”.
Switch A network device that is like a hub, but much smarter. Although not a full router,
a switch understands, to some degree, the routing of Ethernet packets and adds
efficiency to a LAN by utilizing bandwidth more effectively.
TCP/IP Transmission Control Protocol / Internet Protocol – the basis of Internet
communications!
TCP/IP Address An address of the form nnn.nnn.nnn.nnn is the fundamental addressing form of
the Internet.
UTC Coordinated Universal Time.
UTP Unshielded Twisted Pair cabling. Most commonly known as Category 5 or CAT
5, representing a type of Ethernet cable that can operate up to 100Mb/s.