3Com HomeConnect 3CRWE50194 User Manual page 50

installed in the PCMCIA slot of a notebook computer and
communicates with the wireless gateway.
PPPoE
Point-to-Point Protocol over Ethernet. Point-to-Point
Protocol is a method of secure data transmission originally
created for dial-up connections; PPPoE is for Ethernet
connections.
SPI
Stateful Packet Inspection. SPI is the type of
corporate-grade Internet security provided by your
HomeConnect home network gateway. Using SPI, the
gateway acts as a "firewall," protecting your network from
hacker attacks.
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
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 assigned by InterNIC).
TCP/IP
Transmission Control Protocol/Internet Protocol. This is the
standard protocol for data transmission over the Internet.
WAN
Wide area network. A network that connects computers
located in geographically separate areas, (i.e., different
buildings, cities, countries). The Internet is an example of a
wide area network.
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LOSSARY