How To Reset Port Security On Cisco Switch?
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1. Log into the switch via Telnet, SSH or web interface.
2. Enter privileged mode (enable mode) by entering the “enable password“ at the prompt.
3. Enter the global configuration mode by typing “configure terminal“.
4. Enter the interface configuration mode for the desired port using the command “interface [port number]“.
5. Enter the command “shutdown“ to disable the port.
6. Enter the command “no port security“ to disable port security on the interface.
7. Enter the command “no shutdown“ to enable the port again.
8. Exit all modes and save the configuration by entering the command “write memory“.