User Manual

Packet INternet Groper (PING)
A utility that determines whether a specific IP address is accessible, and the amount of
network time (measured in milliseconds) needed for response. PING is used primarily to
troubleshoot Internet connections.
policy-based networking
The management of a network with rules (or policies) governing the priority and
availability of bandwidth and resources, based both on the type of data being transmitted
and the privileges assigned to a given user or group of users. This allows network
administrators to control how the network is used in order to help maximize efficiency.
Power over Ethernet (PoE)
Power supplied to a device by way of the Ethernet network data cable instead of an
electrical power cord.
preamble type
The preamble defines the length of the cyclic redundancy check (CRC) block for
communication between the access point and a roaming network adapter. All nodes on a
given network should use the same preamble type.
Quality of Service (QoS)
QoS is a term encompassing the management of network performance, based on the
notion that transmission speed, signal integrity, and error rates can be managed,
measured, and improved. In a wireless network, QoS is commonly managed through the
use of policies.
Remote Authentication Dial-In User Service (RADIUS)
A client/server protocol and software that enables remote access servers to communicate
with a central server in order to authenticate users and authorize service or system access.
RADIUS permits maintenance of user profiles in a central repository that all remote
servers can share.
radio frequency (RF)
The electromagnetic wave frequency radio used for communications applications.
roaming
Analogous to the way cellular phone roaming works, roaming in the wireless networking
environment is the ability to move from one AP coverage area to another without
interruption in service or loss in connectivity.
rogue AP
An access point that connects to the wireless network without authorization.
Secure Shell (SSH)
Also known as the Secure Socket Shell, SSH is a UNIX-based command line interface
for secure access to remote systems. Both ends of a communication are secured and
authenticated using a digital certificate, and any passwords exchanged are encrypted.
Service Set Identifier (SSID)
The SSID is a unique identifier attached to all packets sent over a wireless network,
identifying one or more wireless network adapters as "belonging" to a common group.
Some access points can support multiple SSIDs, allowing for varying privileges and
capabilities based on user roles.
Secure Sockets Layer (SSL)
A common protocol for message transmission security on the Internet. Existing as a
program layer between the Internet's Hypertext Transfer Protocol (HTTP) and Transport
Page 26 of 29 Installation and User Guide: WFB400 Windows Wireless LAN Client