Cisco AIR-AP1252AG-A-K9 Hardware Installation Guide - Page 136
A single data message packet sent to multiple addresses.
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Glossary IP subnet mask isotropic 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. An antenna that radiates its signal in a spherical pattern. M MAC MBSSID modulation multipath multicast packet 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. 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). Any of several techniques for combining user information with a transmitter's carrier signal. The echoes created as a radio signal bounces off of physical objects. A single data message (packet) sent to multiple addresses. O omni-directional OFDM This typically refers to a primarily circular antenna radiation pattern. Orthogonal frequency division multiplex is a modulation technique used by IEEE 802.11a-compliant wireless LANs for transmission at 6, 9, 12, 18, 24, 36, 48, and 54 Mbps. P packet A basic message unit for communication across a network. A packet usually includes routing information, data, and sometimes error detection information. Q QPSK Quadruple phase shift keying is a modulation technique used by IEEE 802.11b-compliant wireless LANs for transmission at 2 Mbps. GL-4 Cisco Aironet 1250 Series Access Point Hardware Installation Guide OL-8247-03