Now the Switch knows both Host ports and traffic frames can come and go successfully!īut wait you mentioned … Unicast flooding, what is this? A flood of unicasts? A Broadcast? It’s weirdo CAM table will be updated with Destination MAC, Interface and VLAN from PC-B.If the Destination MAC is NOT found, the Switch will perform the Unicast Flooding process.If the Destination MAC (PC-B) is found in the CAM table, the Frame is forwarded successfully!.The Switch will perform a look-up in the CAM table for the Destination MAC encountered in the Frame originated by PC-A.The Switch now needs to forward the Frame to the Destination MAC Address.The Switch will update the CAM table with PC-A MAC Address (Source Address).The Switch receives the Incoming traffic from PC-A. ![]() ![]() ![]() When an according MAC stops transmitting/receiving frames, the aging time will be 300 seconds by default ( 5 minutes ).ĬAM Table is the relation between a MAC and a PORTĪRP Table is the relation between an IP ADDRESS and MACīut what happens when a switch receives a frame from PC-A destined to PC-B? The Content Address Memory table is built by the Switch Software in order to store information such as MAC addresses received from physical ports with their associated VLAN.Īll MAC address information learned by the Switch will be stored in the CAM table until it becomes inactive.
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