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AT-TQ2403 Management Software User's Guide 291
V
VLAN
A virt
ual LAN (VLAN) is a software-based, logical grouping of devices on a network that allow them to act
as if they are connected to a single physical network, even though they may not be. The nodes in a VLAN
share resources and bandwidth, and are isolated on that network. The AT-TQ2403 Wireless AP supports
the configuration of a wireless VLAN. This technology is leveraged on the access point for the "virtual" guest
network feature.
VPN
A Virtual Private Network (VPN) is a network that uses the Internet to connect its nodes. It uses encryption
and other mechanisms to ensure that only authorized users can access its nodes and that data cannot be
intercepted.
W
WAN
A Wide Area Network (WAN) is a communications network that spans a relatively large geographical area,
extending over distances greater than one kilometer. A WAN is often connected through public networks,
such as the telephone system. It can also be connected through leased lines or satellites.
The Internet is essentially a very large WAN.
WDS
A Wireless Distribution System (WDS) allows the creation of a completely wireless infrastructure. Typically,
an Access Point is connected to a wired LAN. WDS allows access points to be connected wirelessly. The
access points can function as wireless repeaters or bridges.
WEP
Wired Equivalent Privacy (WEP) is a data encryption protocol for 802.11 wireless networks. All wireless
stations and access points on the network are configured with a static 64-bit (40-bit secret key + 24-bit
initialization vector (IV)) or 128-bit (104-bit secret key + 24-bit IV) Shared Key for data encryption. It uses
a RC4 stream cipher to encrypt the frame body and CRC of each 802.11 frame before transmission.
Wi-Fi
A test and certification of interoperability for WLAN products based on the IEEE 802.11 standard promoted
by the
Wi-Fi Alliance
, a non-profit trade organization.
WINS
The Windows Internet Naming Service (WINS) is a server process for resolving Windows-based computer
names to IP addresses. It provides information that allows these systems to browse remote networks using
the Network Neighborhood.
Wireless Networking Framework
There are two ways of organizing a wireless network:
Stations communicate directly with one another in an Ad hoc Mode network, also known as an
independent basic service set (IBSS).