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Installing the Access Point 530
Sample Network Topologies
Installing the
Access Point 530
Infrastructure Wireless LAN with Roaming
The Basic Service Set (BSS) defines the communications domain for each
access point and its associated wireless stations. The BSS ID is a 48-bit binary
number based on the access point’s wireless MAC address, and is set automat-
ically and transparently as stations associate with the access point. The BSS
ID is used in frames sent between the access point and its stations to identify
traffic in the service area.
The BSS ID is only set by the access point, never by its stations. The stations
only need to set the Service Set Identifier (SSID) that identifies the wireless
network provided by one or more access points. The SSID can be manually
configured by the stations, can be detected in an access point’s beacon, or can
be obtained by querying for the identity of the nearest access point.
A wireless infrastructure can also support roaming for mobile workers. More
than one access point can be configured to create an Extended Service Set
(ESS). By placing the access points so that a continuous coverage area is
created, wireless users within this ESS can roam freely. All ProCurve
Networking wireless network cards, adapters, and access points within a
specific ESS must be configured with the same SSID.