Managing MAC Address Tables
Dynamic Addresses
Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4 259
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Dynamic Addresses
The Dynamic Address Table (bridging table) contains the MAC addresses acquired by
monitoring the source addresses of frames entering the device.
To prevent this table from overflowing and to make room for new MAC addresses, an address
is deleted if no corresponding traffic is received for a certain period of time known as the
aging time.
Dynamic Address Settings
To configure the aging time for dynamic addresses:
STEP 1 Click MAC Address Tables > Dynamic Address Settings.
STEP 2 Enter Aging Time. The aging time is a value between the user-configured value and twice that
value minus 1. For example, if you entered 300 seconds, the aging time is between 300 and
599 seconds.
STEP 3 Click Apply. The aging time is updated.
Dynamic Addresses
To query dynamic addresses:
STEP 1 Click MAC Address Tables > Dynamic Addresses.
STEP 2 In the Filter block, you can enter the following query criteria:
• VLAN ID—Enter the VLAN ID for which the table is queried.
• MAC Address—Enter the MAC address for which the table is queried.
• Interface—Select the interface for which the table is queried. The query can search for
specific unit/slot, ports, or LAGs.
STEP 3 Click Go. The Dynamic MAC Address Table is queried and the results are displayed.
STEP 4 To delete all of the dynamic MAC addresses. click Clear Table.
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