2024-10-19 11:00:03 +01:00
|
|
|
---
|
|
|
|
|
tags: [networks]
|
|
|
|
|
created: Tuesday, August 06, 2024
|
|
|
|
|
---
|
|
|
|
|
|
|
|
|
|
# MAC addresses
|
|
|
|
|
|
|
|
|
|
A Media Access Control (MAC) address is a physical address in contrast to, say,
|
|
|
|
|
an IP address which is logical.
|
|
|
|
|
|
|
|
|
|
Each device on a [local network](./Link_Layer_of_Internet_Protocol.md) has a MAC
|
|
|
|
|
as a unique identifier. It is a hardware-based, physical attribute of the
|
|
|
|
|
device, typically permanently encoded onto a non-volatile memory chip attached
|
2024-10-20 19:50:20 +01:00
|
|
|
to the .
|
2024-10-19 11:00:03 +01:00
|
|
|
|
|
|
|
|
MAC addresses consist of 6 bytes (48-bits) represented as 12
|
|
|
|
|
[hexadecimal_digits](Hexadecimal_number_system.md).
|
