Situatie
To unlock a port that is blocked due to adding a device to a port on which the maximum number of MACs were already stored, you must use the next commands:
Solutie
- enable – to enter exec mode
- show interface status – to see which port is blocked
- clear port security all – to delete all MACs learned on switch
- configure terminal – to enter switch config mode
- interface x – where x is the interface that was blocked
- shut – to put the interface in shut
- no shut – to remove the interface from shut
- end – to return to exec mode
- write – to save the changes made
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