Cisco Aironet Installation And Configuration Manual page 274

Glossary
L
LEAP, or EAP-Cisco Wireless, is the 802.1X authentication type that is available for use with operating
LEAP
systems that do not have EAP support. Support for LEAP is provided in the client adapter's firmware
and the Cisco software that supports it, rather than in the operating system. With LEAP, a username and
password are used by the client adapter to perform mutual authentication with the RADIUS server
through an access point.
M
The Media Access Control (MAC) address is a unique serial number assigned to a networking device
MAC Address
by the manufacturer.
Message integrity check. MIC prevents bit-flip attacks on encrypted packets. During a bit-flip attack,
MIC
an intruder intercepts an encrypted message, alters it slightly, and retransmits it, and the receiver
accepts the retransmitted message as legitimate. The client adapter's driver must support MIC
functionality, and MIC must be enabled on the access point.
Any of several techniques for combining user information with a transmitter's carrier signal.
Modulation
Packets transmitted to multiple stations.
Multicast Packets
The echoes created as a radio signal bounces off of physical objects.
Multipath
O
Orthogonal frequency division multiplexing. A multicarrier modulation method for broadband wireless
OFDM
communications.
Packets that were discarded because the access point had a temporary overload of packets to handle.
Overrun Packets
P
A basic message unit for communication across a network. A packet usually includes routing
Packet
information, data, and sometimes error detection information.
Q
Quadruple phase shift keying. A modulation technique used by IEEE 802.11-compliant wireless LANs
QPSK
for transmission at 2 Mbps.
Cisco Aironet Wireless LAN Client Adapters Installation and Configuration Guide for Windows
GL-4
OL-1394-04