The BSSID

BSSs throughout the network. The major advantage of the BSSID is
overlapping network.
In an infrastructure BSS, the BSSID is the MAC address of the wireless
networks brought into existence. To maximize the probability of creating a
unique address, 46 random bits are generated for the BSSID. The
Universal/Local bit for the new BSSID is set to 1, indicating a local address, and
BSSID, they would need to generate an identical random 46 bits.
broadcast BSSID. Frames that
broadcasts are used only when mobile stations try to locate a network by
sending probe requests. In order for probe frames to detect the existence of a
network, they must not be filtered by the BSSID filter. Probe frames are the only
Each BSS is assigned a BSSID, a 48-bit binary identifier that distinguishes it
filtering. Several distinct 802.11 networks may overlap physically, and there is
no reason for one network to receive link-layer broadcasts from a physically
interface in the access point creating the BSS. IBSSs must create BSSIDs for
the Individual/Group bit is set to 0. For two distinct IBSSs to create the same
One BSSID is reserved. The all-1s BSSID is the
use the broadcast BSSID pass through any BSSID filtering in the MAC. BSSID
frames allowed to use the broadcast BSSID.