When any different computer connected to a Switch interface with Port-Security configured, Cisco Switch either closes or restricts that port. This setting does not close the interface in case of violation and does not send a notification. This setting does not close the interface in case of violation and only sends a notification. This setting closes the interface in case of violation and sends a notification on the Switch. In addition, Port Security has several scenarios To prevent such interference, you may need to configure Port-Security if you are using Cisco Switch in your company. It can also physically attack your company.įor example, you can start working as a staff member in your company so that you can access your important data by connecting your own computer to network devices in other departments. The interface of the Switch matches the MAC address of the computer so that the computer having another MAC address is restricted from connecting to the network with the interface of this Switch.Ī person who wants to obtain your company information without permission does not the only attack through the Internet. An interface with Port Security is mapped to the MAC address of the computer, thus preventing another computer from connecting to this interface to ensure security.
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