Specifications
Chapter 4 - Operation Menus and Parameters
BreezeNET B 98 System Manual
will include both the ESSID and Operator ESSID. The RB shall regard such
frames if either the ESSID or the Operator ESSID matches it own ESSID. The
ESSID of the BU with which the RB is eventually associated is defined as the
Run-Time ESSID of the RB. Typically, the initial ESSID of the RB is configured to
the value of the Operator ESSID. When the RB has become associated with a
specific BU, its ESSID can be reconfigured to the value of the ESSID of the BU.
To support increased security the ESSID may be hidden. When this feature is
activated in a BU it will not broadcast the ESSID in Beacon frames (null
characters will be transmitted instead of the ESSID). The ESSID will not be
transmitted also in Distance messages transmitted by either the BU or the
associated RB.
The following frames will still contain the ESSID:
Probe Request - generated by RBs when active scanning is used.
Probe Response -generated by the BU as a response when the BU receives a
Probe Request from an RB. This unicast frame is sent only to the RB that has
sent the Probe Request, and it is sent only if the ESSID received in the Probe
Request is the same as the BU's ESSID.
The ESSID will be present also in the Association Request frame sent by RBs.
The impact of the Hidden ESSID feature on the RB's operation is as follows:
If the Hidden ESSID Support parameter in the RB is set to Disable, the RB will
not try to Associate with a BU that is working with Hidden ESSID Enabled
If the Hidden ESSID Support parameter in the RB is set to Enable the RB will
try to Associate with a BU that is working with Hidden ESSID. The RB will
send the Association Request that will contain the ESSID of the RB; the BU
will check the RB's ESSID versus its own ESSID and if there is a match the BU
will associate the RB. If the RB uses a different ESSID the BU will reject it and
the Association Response will include the reason for rejection. The RB will add
this BU to a table that contains the BUs that rejected it because of wrong
ESSID and it will not try again to associate with this BU until the Hidden
ESSID Timeout expires.
If Hidden ESSID Support parameter in the RB is set to Enable and the RB
finds a BU that is not working with Hidden ESSID the RB will try to associate
with this BU only if the BU's ESSID/Operator ESSID is the same as the RB's
ESSID.