Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. A Windows 10 device, phone, and pretty much anything that connects to a network has a unique identification number known as the media access control (MAC) address embedded on the physical network.
Although Cisco switches dynamically build the MAC address table by using the source MAC address of the received frames, you can also manually add a MAC address to the switch’s MAC address table. The static MAC entries will be retained even after the switch is restarted.
To configure a static MAC address, the following command is used:
Manual Dynamic Mac Address Labels
The following command will permanently assign the MAC address of 1111.1111.1111 to the interface Fa0/2, VLAN 1:
Manual Dynamic Mac Address Software
To verify the configuration, we can use the show mac address table command:
Manual Dynamic Mac Address App
To delete the static entry from the MAC address table, re-enter the command with the no keyword in front.