Glossary
GL-4
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
I
IEEE Institute of Electrical and Electronic Engineers. A professional society serving
electrical engineers through its publications, conferences, and standards
development activities. The body responsible for the Ethernet 802.3 and wireless
LAN 802.11 specifications.
infrastructure The wired Ethernet network.
IP Address The Internet Protocol (IP) address of a station.
IP subnet mask The number used to identify the IP subnetwork, indicating whether the IP
address can be recognized on the LAN or if it must be reached through a
gateway. This number is expressed in a form similar to an IP address; for
example: 255.255.255.0.
isotropic An antenna that radiates its signal in a spherical pattern.
L
Lightweight access
point
An access point operating in the Cisco Centralized Wireless LAN Architecture
with a Cisco Wireless LAN Controller.
LWAPP Lightweight Access Point Protocol. An Internet Engineering Task Force (IETF)
draft protocol used in the Cisco Centralized Wireless LAN Architecture.
M
MAC Media Access Control address. A unique 48-bit number used in Ethernet data
packets to identify an Ethernet device, such as an access point or your client
adapter.
MBSSID Multiple basic SSID. Each multiple basic SSID is assigned a unique MAC
address. You use multiple BSSIDs to assign a unique DTIM setting for each
SSID and to broadcast SSIDs in beacons (one SSID per beacon).
modulation Any of several techniques for combining user information with a transmitter’s
carrier signal.
multipath The echoes created as a radio signal bounces off of physical objects.
multicast packet A single data message (packet) sent to multiple addresses.