Alvarion BreezeACCESS VL 5.4 System Manual page 84

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The SW version of the SU.
In addition, a summary table displays information about the
Forwarding Database (Bridging Info). The database includes the
following information:
The current number of entries. This is the number of currently
associated SUs.
NOTE:
There is no aging algorithm for associated SUs. An SU is only removed from the list of
associated SUs under the following conditions:
a. A SNAP frame is received from another AU indicating that the SU is now
associated with the other AU.
b. The SU failed to respond to a certain number of consecutive frames transmitted by
the AU and is considered to have "aged out".
The aging time specified for entries in these table. There is no aging
time for Association Info entries.
The maximum number of entries permitted for this table, which is
specified by the Maximum Number of Associations parameter. The
default value of the Maximum Number of Associations parameter
is 512.
MAC Address Database in SU
The MAC Address Database option in the SU displays information
regarding the Subscriber Units bridging (forwarding) information. The
following option is available:
♦ Display Bridging Info: The Display Bridging Info option displays a list
of all the stations in the SU's Forwarding Database.
Each MAC address entry is followed by a description, which may
include the following:
Et (Ethernet): An address learned from the Ethernet port.
Wl (Wireless): An address of a node behind the associated AU,
learned via the wireless port.
Sp (Special): 5 addresses that are always present, which include:
♦ The MAC address of the SU, which appears twice as it is
♦ Alvarion's Multicast address (01:20:D6:00:00:01, which also
♦ The Ethernet Broadcast address (FF-FF-FF-FF-FF-FF).
learned from both the Ethernet and wireless ports.
appears twice. The system treats this address as a Broadcast
address.
BreezeACCESS VL System Manual