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Reference Manual for the WG602 v2 54 Mbps Wireless Access Point
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Network Address Translation
Sometimes referred to as Transparent Proxying, IP Address Overloading, or IP Masquerading. Involves use
of a device called a Network Address Translator, which assigns a contrived, or logical, IP address and port
number to each node on an organization's internal network and passes packets using these assigned
addresses.
NIC
Network Interface Card. An adapter in a computer which provides connectivity to a network.
P
packet
A block of information sent over a network. A packet typically contains a source and destination network
address, some protocol and length information, a block of data, and a checksum.
Point-to-Point Protocol
PPP. A protocol allowing a computer using TCP/IP to connect directly to the Internet.
PPP
A protocol allowing a computer using TCP/IP to connect directly to the Internet.
PPPoA
PPPoA. PPP over ATM is a protocol for connecting remote hosts to the Internet over an always-on
connection by simulating a dial-up connection.
PPPoE
PPPoE. PPP over Ethernet is a protocol for connecting remote hosts to the Internet over an always-on
connection by simulating a dial-up connection.
PPP over ATM
PPPoA. PPP over ATM is a protocol for connecting remote hosts to the Internet over an always-on
connection by simulating a dial-up connection.
PPP over Ethernet
PPPoE. PPP over Ethernet is a protocol for connecting remote hosts to the Internet over an always-on
connection by simulating a dial-up connection.
PPTP
Point-to-Point Tunneling Protocol. A method for establishing a virtual private network (VPN) by embedding
Microsoft’s network protocol into Internet packets.
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Protocol
A set of rules for communication between devices on a network.
PSTN
Public Switched Telephone Network.
Q
QoS
See “Quality of Service”
Quality of Service
QoS is a networking term that specifies a guaranteed level of throughput. Throughput is the amount of data
transferred from one device to another or processed in a specified amount of time - typically, throughputs are
measured in bytes per second (Bps).
R
RADIUS
Short for Remote Authentication Dial-In User Service, RADIUS is an authentication system. Using
RADIUS, you must enter your user name and password before gaining access to a network. This
information is passed to a RADIUS server, which checks that the information is correct, and then authorizes
access. Though not an official standard, the RADIUS specification is maintained by a working group of the
IETF.
RFC
Request For Comment. Refers to documents published by the Internet Engineering Task Force (IETF)
proposing standard protocols and procedures for the Internet. RFCs can be found at
www.ietf.org
.
router
A device that forwards data between networks. An IP router forwards data based on IP source and
destination addresses.
S
SSID
A Service Set Identification is a thirty-two character (maximum) alphanumeric key identifying a wireless
local area network. For the wireless devices in a network to communicate with each other, all devices must
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Reference Manual for the WG602 v2 54 Mbps Wireless Access Point
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be configured with the same SSID. This is typically the configuration parameter for a wireless PC card. It
corresponds to the ESSID in the wireless Access Point and to the wireless network name.
See also
Wireless
Network Name and ESSID.
Segment
A section of a LAN that is connected to the rest of the network using a switch, bridge, or repeater.
Subnet Mask
Combined with the IP address, the IP Subnet Mask allows a device to know which other addresses are local
to it, and which must be reached through a gateway or router.
T
TCP/IP
The main internetworking protocols used in the Internet. The Internet Protocol (IP) used in conjunction with
the Transfer Control Protocol (TCP) form TCP/IP.
U
Universal Plug and Play
UPnP. A networking architecture that provides compatibility among networking technology. UPnP
compliant routers provide broadband users at home and small businesses with a seamless way to participate
in online games, videoconferencing and other peer-to-peer services.
UTP
Unshielded twisted pair is the cable used by 10BASE-T and 100BASE-Tx Ethernet networks.
W
WAN
See “Wide Area Network”
Web
Also known as World-Wide Web (WWW) or W3. An Internet client-server system to distribute information,
based upon the hypertext transfer protocol (HTTP).
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WEB Proxy Server
A Web proxy server is a specialized HTTP server that allows clients access to the Internet from behind a
firewall. The proxy server listens for requests from clients within the firewall and forwards these requests to
remote Internet servers outside the firewall. The proxy server reads responses from the external servers and
then sends them to internal client clients.
WEP
Wired Equivalent Privacy is a data encryption protocol for 802.11b wireless networks.
All wireless nodes and access points on the network are configured with a 64-bit or 128-bit Shared Key for
data encryption.
Wide Area Network
A WAN is a computer network that spans a relatively large geographical area. Typically, a WAN consists of
two or more local-area networks (LANs).
Wi-Fi
A trade name for the 802.11b wireless networking standard, given by the Wireless Ethernet Compatibility
Alliance (WECA, see http://www.wi-fi.net), an industry standards group promoting interoperability among
802.11b devices.
Windows Internet Naming Service
WINS. Windows Internet Naming Service is a server process for resolving Windows-based computer names
to IP addresses.
If a remote network contains a WINS server, your Windows PCs can gather information from that WINS
server about its local hosts. This allows your PCs to browse that remote network using the Windows
Network Neighborhood feature.
WINS
WINS. Windows Internet Naming Service is a server process for resolving Windows-based computer names
to IP addresses.
Wireless Network Name (SSID)
Wireless Network Name (SSID) is the name assigned to a wireless network. This is the same as the SSID or
ESSID configuration parameter.
WPA
Wi-Fi Protected Access (WPA) is a specification of standards-based, interoperable security enhancements
that increase the level of data protection and access control for existing and future wireless LAN systems.
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