Xerox NS-2260 operation manual Port Security

3.3.4.4 Port Security

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Managed 24+2G Switch : Port Security
Port	Enable Security
	(disable MAC learning)
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PORT1	Enabled
PORT2	Enabled
PORT3	Enabled
PORT4	Disabled
PORT5	Disabled
PORT6	Disabled
PORT7	Disabled
PORT8	Disabled
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A port in security mode will be locked and disabled to perform further MAC address learning. Only the incoming packets with source MAC address already existing in the switch MAC address table can be forwarded normally. Otherwise, the packets are dropped.

Options - Enabled, Disabled

For specific security application, user can disable the port from learning any new MAC addresses, then use the static MAC addresses operation to define a list of MAC addresses that are allowed to pass through the secure port.