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Glossary
The number used to identify the IP subnetwork, indicating whether the IP address can be recognized
IP Subnet Mask
on the LAN or if it must be reached through a gateway.
An antenna that radiates its signal 360 degrees both vertically and horizontally in a perfect sphere.
Isotropic
L
LEAP, or EAP-Cisco Wireless, is an 802.1X authentication type that is available on Windows CE
LEAP
devices. 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
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.
Pocket-sized Personal Computer. One of the three defined types of Windows CE devices.
PPC
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 CE
GL-4
OL-1375-03
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Troubleshooting
