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Setting aging time properly helps implement effective MAC address aging. The aging time that is
too long or too short results decreases the performance of the switch. If the aging time is too long,
excessive invalid MAC address entries maintained by the switch may fill up the MAC address table.
This prevents the MAC address table from updating with network changes in time. If the aging time
is too short, the switch may remove valid MAC address entries. This decreases the forwarding
performance of the switch. It is recommended to keep the default value.
5.4.4 Filtering Address
The filtering address is to forbid the undesired packets to be forwarded. The filtering address can
be added or removed manually, independent of the aging time. The filtering MAC address allows
the switch to filter the packets which includes this MAC address as the source address or
destination address, so as to guarantee the network security. The filtering MAC address entries
act on all the ports in the corresponding VLAN.
Choose the menu Switching→MAC Address→Filtering
Address to load the following page.
Figure 5-16 Filtering Address
The following entries are displayed on this screen:
Create Filtering Address
MAC Address: Enter the MAC Address to be filtered.
VLAN ID: Enter the corresponding VLAN ID of the MAC address.
Search Option
Search Option: Select a Search Option from the pull-down list and click the Search
button to find your desired entry in the Filtering Address Table.
MAC: Enter the MAC address of your desired entry.
VLAN ID: Enter the VLAN ID number of your desired entry.
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