TP-Link TL-SG5426 User Guide - Page 321
Command Usage, port security max-mac-count, mac-address-table, static, shutdown, Example
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4 Command Line Interface Command Usage • If you enable port security, the switch stops learning new MAC addresses on the specified port when it has reached a configured maximum number. Only incoming traffic with source addresses already stored in the dynamic or static address table will be accepted. • First use the port security max-mac-count command to set the number of addresses, and then use the port security command to enable security on the port. • Use the no port security max-mac-count command to disable port security and reset the maximum number of addresses to the default. • You can also manually add secure addresses with the mac-address-table static command. • A secure port has the following restrictions: - Cannot use port monitoring. - Cannot be a multi-VLAN port. - Cannot be connected to a network interconnection device. - Cannot be a trunk port. • If a port is disabled due to a security violation, it must be manually re-enabled using the no shutdown command. Example The following example enables port security for port 5, and sets the response to a security violation to issue a trap message: Console(config)#interface ethernet 1/5 Console(config-if)#port security action trap Related Commands shutdown (4-121) mac-address-table static (4-140) show mac-address-table (4-141) 4-80