![]() ![]() MAC addresses are used for communication between devices on the same local network segment.MAC addresses are also used for network security purposes, but it is important to use additional security measures to ensure maximum security.The use of MAC addresses helps to ensure that data is transmitted to the correct device on a network and helps to prevent data collisions on the network.The OUI is assigned by the IEEE to identify the manufacturer of the NIC. It is divided into two parts: the organizationally unique identifier (OUI) and the device identifier.The MAC address is represented as a string of hexadecimal numbers separated by colons or dashes, such as 00:11:22:33:44:55 or 00-11-22-33-44-55.It is stored in hardware and is unique to each NIC, ensuring that no two devices on a network segment can have the same MAC address.The MAC address is a 48-bit number and is used for communication at the Data Link layer of the OSI model.It is used in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth.A MAC (Media Access Control) address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment.
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