Cisco mac address-table learning-mode conversational

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Assuming that the server wants to respond to PC1, it would sent a new frame back toward the switch.

The switch would then perform a lookup on its MAC address table to determine whether it knows which port to send the traffic to since no matching entries exist in the switch's tables, it would flood the frame out all of its interfaces (except the receiving port).Д«ecause the frame was sent out to all of the switch's other ports, it would be received by the target server. The first thing the switch would do when receiving the traffic is create a new entry in its MAC address table for PC1's MAC address (PC1 -> Fa0/3). It would encapsulate an Ethernet frame and send it off toward the switch. Now suppose PC1 wants to send traffic to the server that has a MAC address of 00:00:00:00:00:01. In this case, the MAC address table of the switch would be empty (ignoring any system MAC addresses shown in the table by default). Let's assume that all of the devices are powered on but have not sent any traffic. In Figure 1, a switch is surrounded by a number of common devices.

Cisco mac address-table learning-mode conversational