"Switchport port-security aging static" command enables aging of statically configured secured MAC address i.e., the addresses that you configured using “switchport port-security mac-address xxxx.xxxx.xxxx” command. Issuing “switchport port-security aging static” and “switchport port-security aging time x” remove the statically configured address from the address-table and running configure. When you check with “show run interface x” command, you will see that “switchport port-security mac-address xxxx.xxxx.xxxx” is missing from running configuration automatically after the aging time that you configured. By checking with MACOF from Kali Linux and a switch, clear my confusion for this.
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