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The MAC Address Lock feature filters frames that do not match the static MAC address that is assigned to a port. If you enable MAC Address Lock, you can also enable Intrusion Detection, which generates trap messages that identify intruding (unknown) source addresses.
The switch stores a history of 64 intruding source MAC addresses in a software buffer. One intruding source MAC address is stored and one trap message is generated per the intrusion trap timer setting. Once a MAC address is stored and the trap is generated, the switch does not send another trap for the address until it is cleared from the buffer.
Note: The default setting for the intrusion trap timer is 1800 seconds (30 minutes). The valid range for the timer is 60 to 1800 seconds.
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