D-Link DWS-1008 User Manual
association - The process defined in IEEE 802.11 by which an authenticated mobile (wireless) station
establishes a relationship with a wireless access point (AP) to gain full network access. The access
point assigns the mobile station an association identifier (AID), which the wireless LAN (WLAN) uses
to track the mobile station as it roams. After associating with a Mobility Point (AP) access point in a
Trapeze Networks Mobility System, a mobile station can send and receive traffic through any access
point within the same Mobility Domain™ group.
attribute - In authentication, authorization, and accounting (AAA), a property used to identify
(authenticate) a user or to configure (authorize) or record (account for) a user’s administrative or
network session. A user’s AAA attributes are stored in a user profile in the local database on a Mobility
Exchange (DWS-1008) switch, or on a RADIUS server. Attribute names are case-sensitive. See also
RADIUS; VSA.
authenticated identity - In a D-Link Mobility System, the correspondence established between a user
and his or her authentication attributes. User authentication attributes are linked to the user, rather than
to a physical port or device, regardless of the user’s location or type of network connection. Because the
authenticated identity follows the user, he or she requires no reauthentication when roaming.
authentication, authorization, and accounting - See AAA.
authentication mobility - The ability of a user (client) authenticated via Extensible Authentication
Protocol (EAP)—plus an appropriate subprotocol and back-end authentication, authorization, and
accounting (AAA) service—to roam to different access points (APs) without reauthentication.
authentication server - An entity that provides an authentication service to an authenticator. From
the credentials provided by a client (or supplicant), the authentication service determines whether the
supplicant is authorized to access the services of the authenticator. In a D-Link Mobility System, one or
more RADIUS servers can act as authentication servers.
authenticator - A device that authenticates a client. In a D-Link Mobility System, the authenticator is a
DWS-1008 switch.
basic service set See BSS.
basic service set identifier See BSSID.
bias - The priority of one DWS-1008 switch over other switches for booting, configuring, and providing
data transfer for a DWL-8220AP access point. Bias can be set to either low or high on each switch
and is high by default. Bias applies only to switches that are indirectly attached to the AP through an
intermediate Layer 2 or Layer 3 network. An AP always attempts to boot on AP port 1 first, and if the
AP is directly attached to a switch on AP port 1, the AP uses the directly attached switch to boot from
regardless of the bias settings. See also dual-homed connection.
BSS - Basic service set. A set of wireless stations that communicate with one another through an
access point (AP).
BSSID - Basic service set identifier. The 48-bit media access control (MAC) address of the radio in the
access point (AP) that serves the stations in a basic service set (BSS).
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