DEVICE CONFIGURATION
SSID
The Service Set ID (SSID) is the unique name of WLAN (wireless WiFi LAN) network. Since multiple WLANs
can coexist in one airspace, each WLAN needs a unique name which is the SSID of the network. A WiFi client
device can see the SSIDs for all available networks.
BSSID
The Basic Service Set Identifier (BSSID) is by convention, an Access Point’s MAC address. The SSID keeps the
packets from client device within the correct WLAN, even when overlapping WLANs are present. However,
there are usually multiple APs and their associated clients within each WLAN and BSSID is the AP identifier
which makes the bound between AP and its clients and included in all wireless packets. User (client device)
are aware to the network SSID but usually unaware to which BSSID they are currently connected.
ESSID
The Extended Service Set Identifier (ESSID) consists of all the BSSIDs in the network. For practical purposes,
the ESSID identifies the same network as the SSID.
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