![]() Switchs are able to store numerous amounts of entries in the CAM table, however, once the resources are exhausted, the traffic is flooded out on all ports(or source VLAN), as the CAM table can no longer store MAC addresses, thus is no longer able to locate the MAC destination MAC address within a packet.MAC address flooding exploits the memory and hardware limitations in a switch’s CAM table.This causes the switch to act like a hub, flooding the network with traffic out all ports. CAM Table Overflows occur when an influx of MAC addresses are flooded into the table and the CAM table threshold is reached.MAC address flooding attack (CAM table flooding attack) is a type of network attack where an attacker connected to a switch port floods the switch interface with very large number of Ethernet frames with different fake source MAC address.A switch’s CAM table contains network information such as MAC addresses available on physical switch ports and associated VLAN parameters.Content Addressable Memory (CAM) Table Overflow is a Layer 2 attack on a switch.CAM overflow/ MAC flooding attack Background
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