What is a MAC Address
Below is a MRR and PLR article in category Computers Technology -> subcategory Other.
What is a MAC Address?
Overview
A MAC (Media Access Control) address is a unique identifier assigned to network interfaces, residing on the data link layer of the OSI model. This address is programmed into the hardware at the time of manufacture, often referred to as a "burned-in address."
Why is the MAC Address Embedded in the Data Link Layer?
The data link layer, also known as Layer 2, consists of two sublayers: the Media Access Control (MAC) and the Logical Link Control (LLC). The MAC address is embedded in the MAC sublayer during production to ensure that each device has a default address, eliminating the need for further programming to function on a network.
Functions of a MAC Address
The MAC address serves as a crucial identifier for devices on a network. It facilitates data access and manages data transmission methods. Essentially, it acts as a collection and dispatch point for data within the network, enabling smooth communication between nodes.
Structure of a MAC Address
A standard MAC address is 48 bits in length, allowing for a vast number of potential configurations. This large pool of addresses ensures that duplication is avoided. In practical terms, the MAC address is represented as a combination of letters and numbers.
Can a MAC Address Be Changed?
Yes, while the original MAC address is hardcoded into the hardware, it can be modified using software tools. These tools typically suggest a new logical configuration for approval before replacing the original address.
This inherent flexibility in MAC address modification provides adaptability without compromising network integrity.
You can find the original non-AI version of this article here: What is a MAC Address .
You can browse and read all the articles for free. If you want to use them and get PLR and MRR rights, you need to buy the pack. Learn more about this pack of over 100 000 MRR and PLR articles.