3. Through UserA and UserB after an interactive process, Ethernet switches learn to UserA and UserB
source MAC address, after UserA and UserB message interaction forward in unicast way, then UserC
will no longer receive the interaction between the UserA and UserB message.
7.1.3.
Address aging
Ethernet switch MAC address table has a capacity limitation, Ethernet switch address table aging
mechanism will eliminate inactive item address table.
Ethernet switches at the same time of learning to a new address to launch the address of the aging
time, before reaching the aging time, if the Ethernet switches does not receive the address as the
source MAC address of the message, that the address will be deleted from the MAC address table
when reaching to aging time.
7.1.4.
Filter addresses
Manual configuration of the MAC address table entries for discarded in the Ethernet switch to the
configured MAC address for the source or destination address of the packet, such address only by
manual configuration to add and delete, restart after saving the configuration equipment , filtering to
address will not be lost.
Through manual configuring illegal users access to the source MAC address for the filtering ways of
implementation method of filtering the illegal user access.
7.2. Default Configuration
Function Performance
Default Value
Dynamic address aging time
300 seconds
Port MAC address learning ability
Open
MAC Address change notifications
Close
7.3. Dynamic address configuration
7.3.1.
Check configuration
