Computer networks notes
The Structure of a MAC Address
The permanent, physical, 48-bit address baked into every network interface. Every section is a drawn page beside a clear written explanation, about 9 minutes in all.
- Chapter 7 of 31
- About 9 minutes
- 8 sections
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In this chapter
- What is a MAC address?
- Interfaces are physical hardware
- Why not just use the IP?
- Size: 6 bytes = 48 bits
- Colons vs dashes
- A quick word on hexadecimal
- Two halves: OUI + device
- The OUI identifies the maker
Next chapters
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