![]() In Cisco ME 2600X, the default value for aging the MAC address is 300 seconds and can not be changed. This frees unused addresses from the MAC address table for other active subscribers. The dynamically learned MAC addresses are deleted after the MAC address age value has expired. These static MAC inputs are retained during a switch reset.You can also enter a MAC address, which is called static MAC address, in the table.The switch then forwards the subsequent frames to a single LAN port without flooding all the LAN ports.When the destination station responds, the switch adds its relevant MAC source address and port ID to the address table.When the switch receives a frame for a destination MAC address that is not in its address table, it floods the frame of all the LAN ports of the same VLAN except for the port that the frame received.The switch dynamically constructs the address table using the MAC source address of the received frames.When the switch receives a frame, it associates the media access control (MAC) address of the dispatching network device with the LAN port on which it was received. ![]() To exchange frames between LAN ports efficiently, the switch continue an address table called the MAC table.
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