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2.4
MAC address learning / MAC forwarding function
In this device, following functions are supported as a MAC address learning function.
MAC address learning basic function
It is a function that dynamically learns the transmission source MAC address of reception packet
and registers it in FDB (Forwarding Data Base). The registered MAC address is retained and
continued till aging-out time. Aging-out time can be changed by structure definition command.
(default is 300 seconds). When port is linked down, an entry learned from the corresponding
port on FDB is deleted.
MAC address auto study stop function
It is a function to stop the learning of dynamic MAC address in device unit according to structure definition.
FDB clear function
It is a function to delete the dynamically studied FDB entries. Conditions like Port unit, MAC address unit etc
can be specified.
Static MAC forwarding function
It is function where the frame having specific destination address can be transited to the port specified at each
VLAN. Unicast address can be specified in destination address.
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