Port security in ccna cisco packet tracer:-
ü Is a feature which helps administrator to protects his internal network:-
ü Port security remembers the current connected mac address of system to that port.
ü Allow only that mac address to communicate on that port.
ü If any other mac address of other nic tries to communicate with it it get shut down or disable and another mac address get unable to communicate.
v Port security rules:-
ü Violation, shutdown, restrict, protect.
ü Shutdown-by default port get shutdown if any changes were made.
ü Restrict-get info to the administrator of network.
ü Protect-we can also specify any port number or mac for any system so it will works only that port mac.
v Agar Kisi port pe Kisi mac address ya ip address Ki info dal rakhi hay to uspey bs whi kaam kareyga aur baki shutdown ho jaengey.