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RC4
A symmetric stream cipher provided by RSA Security. It is a variable key-size stream cipher
with byte oriented operations. It allows keys up to 2048 bits in length.
Router
A router is a network device which forwards packets between networks. It is connected to
at least two networks, commonly between two local area networks (LANs) or between a
LAN and a wide-area network (WAN), for example, the Internet. Routers are located at
gateways—places where two or more networks connect.
A router uses the content of headers and its tables to determine the best path for forwarding
a packet. It uses protocols such as the Internet Control Message Protocol (ICMP), Routing
Information Protocol (RIP), and Internet Router Discovery Protocol (IRDP) to communicate with
other routers to configure the best route between any two hosts. The router performs little
filtering of data it passes.
RSSI
The Received Signal Strength Indication (RSSI) an 802.1x value that calculates voltage relative
to the received signal strength. RSSI is one of several ways of measuring and indicating
radio frequency (RF) signal strength. Signal strength can also be measured in mW
(milliwatts), dBms (decibel milliwatts), and a percentage value.
RTS
A request to send (RTS) is a message sent by a client station to the access point, asking
permission to send a data packet.
RTS Threshold
The RTS threshold specifies the packet size of a request to send (RTS) transmission. This
helps control traffic flow through the access point, and is especially useful for performance
tuning on an access point with a many clients.
Shared Key
A shared key is used in conventional encryption where one key is used both for encryption
and decryption. It is also called secret-key or symmetric-key encryption.
Also see Public Key.
SNMP
The Simple Network Management Protocol (SNMP) was developed to manage and monitor
nodes on a network. It is part of the TCP/IP protocol suite.
SNMP consists of managed devices and their agents, and a management system. The agents
store data about their devices in Management Information Bases (MIBs) and return this data
to the SNMP management system when requested.