To establish
a distributed WLAN, two or more access points are configured with the same
service set identifier (SSID). Access points configured with the same SSID make
up a single logical network within a single Layer 2 broadcast domain, which means that
they must all be able to communicate.
The most
common use of a wireless distribution system is to bridge a WLAN spanning two
buildings. The simplest WDS consists of two access points configured to forward
messages to each other.
WDS may provide
two modes of access point-to-access point (AP-to-AP) connectivity:
·
Wireless
bridging, in which WDS APs (AP-to-AP) communicate
only with each other and don't
allow wireless stations (STA) (also known as wireless clients) to access them
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