When a network switch is overwhelmed with false hardware addresses, it can no longer function normally and broadcasts incoming packets to all ports due to its failure to differentiate between legitimate and illegitimate destinations. This scenario is typical of MAC flooding, where the security and operation of the network are compromised as it inadvertently allows potential attackers access to sensitive data.
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What is MAC flooding, and why does it affect switches?
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How does a switch normally handle data packets using a MAC address table?
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What are some ways to prevent MAC flooding attacks?