3Com PathBuilder S200 Series, Owner'S Manual

Page: 62 / 162

58 Bridging
Bridge Filtering
MAC Address Filtering
What Is It?
This feature lets you filter bridge traffic based on MAC address.
The Bridge Link Table and the MAC Address Filter Table are used to configure
MAC Address filtering.
The Bridge Link Table specifies:
• Whether or not any filtering action is to be performed.
• The filtering action to perform when the MAC frame address is not found in
the MAC Address Filter Table.
The Bridge Link Table contains these parameters, including the MAC Address
Filtering Action parameter, which lets you specify the filtering actions to be applied
at the bridge link. These parameters are located under the Configure Bridge Link
menu selection:
• Entry Number
• Bridge ID
• Hop Count Limit
• Largest Frame Size
• MAC Address Filter Action
• Protocol Filter Action
• STPE Link State
• STPE Priority
• STPE Path Cost
MAC Address Filter
Table Parameters
The MAC Address Filter Table specifies:
• The MAC Address of the frame to be filtered.
• The filtering action to perform on the frame.
This table is used in conjunction with the Bridge Link Table to specify filtering
action and includes the link action parameters which allow you to apply filtering
action to every link.
This table describes the MAC Address Filter Table parameters.
Parameter Action
MAC Address Frames that have MAC Addresses matching this MAC
Address are filtered as specified by the parameters in this
table.
Incoming Source
Address Link Action Perform filtering action on an inbound frame having the
indicated MAC Source address.
Outgoing Source
Address Link Action Perform filtering action on an outbound frame having the
indicated MAC Source address.
Incoming
Destination Address
Link Action Perform filtering action on an inbound frame for the
indicated MAC Destination address.