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Network Configuration and Planning
34
Setting the Communication Domain
Stationary Wireless PCs
The Basic Service Set (BSS) is the communication domain for
each access point. For wireless PCs that do not need to support
roaming, set the domain identifier (SSID) for the wireless card to
the SSID of the access point to which you want to connect. Check
with your administrator for the SSID of the access point to whick
you are connecting.
Roaming Wireless PCs
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 wireless adapters and access points
within a specific ESS must be configured with the same SSID and
to the same radio channel.
You can configure the wireless client to connect to a specific
wireless network or to the first available wireless network.
•
If you configure the client to connect to a specific wireless
network, the client establishes a radio connection to the AP in
the specified wireless network that provides the best
communications quality. APs in a different wireless network
are ignored.
•
If you configure the client to connect to the first available
wireless network (the SSID = ANY), the client establishes a
radio connection to the AP that provides the best
communications quality. Be aware that if there are multiple
wireless networks, the client could connect to an AP that is not
in the network you want to join.