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This tutorial explains the MAC (Media Access Control) address in detail. Learn what the MAC address is, how it is formed, and the types of MAC addresses (unicast, multicast, and broadcast).
A MAC address (short for medium 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. This use is common in most IEEE 802 networking technologies, including Ethernet, Wi-Fi, and Bluetooth. Within the Open Systems Interconnection ...
A MAC address, which stands for Media Access Control Address, is a physical address that works at the Data Link Layer. In this article, we will discuss addressing a DLL, which is the MAC Address.
MAC addresses work with the card in your device that lets it connect wirelessly to the internet, called a Network Interface Controller (NIC). MAC addresses are used to identify which device is which on your local network so that data gets sent to your computer and not your roommate's smartphone.
The Media Access Control (MAC) address is a binary number used to identify computer network adapters. These numbers (sometimes called hardware addresses or physical addresses) are embedded in the network hardware during the manufacturing process or stored in firmware and designed not to be modified.
A MAC address (media access control address) is a 12-digit hexadecimal number assigned to each device connected to the network. Primarily specified as a unique identifier during device manufacturing, the MAC address is often found on a device's network interface card (NIC).
The MAC address is sometimes referred to as a networking hardware address, the burned-in address (BIA), or the physical address. An example of a MAC address for an Ethernet NIC would be: 00:0a:95:9d:68:16.
For example, if you locate your device’s MAC address, it could like similar to this: 00:9A:CD:3C:4D:5E. Fun fact: The first six digits in the address identify the manufacturer of the hardware. For example, you might see: - CC:46:D6 for Cisco. - 3C:5A:B4 for Google, Inc. - 3C:D9:2B for Hewlett Packard. - 00:9A:CD for Huawei Technologies Co., Ltd.
This table summarizes the key differences between MAC addresses and IP addresses in terms of their layer of operation, scope of use, address format, assignment process, functionality, and examples.
For example, Windows-based systems format MAC addresses with double digits intercalated with dashes (xx-xx-xx-xx-xx-xx); Apple and Linux use colons to separate double digits (xx:xx:xx:xx:xx:xx), and CISCO show these addresses with sets of four digits separated by periods (xxxx.xxxx.xxxx).