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1. superuser.com › questions › 623511What is the exact use of a MAC address? - Super User

   superuser.com › questions › 623511

   Jul 24, 2013 · The MAC address is used on the physical transfer. An ethernet adapter does not know anything about IP. So the ethernet adapter uses the MAC address to address the receiver of the data packet.

2. www.howtogeek.com › 764868 › what-is-a-mac-addressWhat Is a MAC Address, and How Does It Work? - How-To Geek

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   Nov 16, 2021 · 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.

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4. networkengineering.stackexchange.com › questionsWhy don't we use MAC address instead of IP for having ...

   networkengineering.stackexchange.com › questions

   Jun 18, 2016 · MAC is Media Access Control which provides physical connectivity only. IP Address provides Host or Network interface Identification and Location addressing.

5. www.howtogeek.com › 169540 › what-exactly-is-a-macWhat Exactly Is a MAC Address Used For? - How-To Geek

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   Sep 3, 2013 · What are MAC addresses used for? MAC addresses are the low level basics that make your ethernet based network work. Network cards each have a unique MAC address. Packets that are sent on the ethernet are always coming from a MAC address and sent to a MAC address.

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6. datascientest.com › en › all-about-mac-addressMAC Address: What is it? What is it used for? - DataScientest.com

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   Jul 11, 2024 · MAC Address: A MAC address is a permanent, exclusive identifier allocated to a network interface. It functions at the data link layer (layer 2) of the OSI model, facilitating communication within a local network.

7. www.computernetworkingnotes.com › ccna-study-guideMAC Addresses Explained with Examples - ComputerNetworkingNotes

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   Sep 14, 2024 · 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).

8. People also ask

   How MAC address is used in a physical transfer?

   • The MAC address is used on the physical transfer. An ethernet adapter does not know anything about IP. So the ethernet adapter uses the MAC address to address the receiver of the data packet. If the ethernet adapter would know anything about IP then we have to upgrade all our firmware to switch to a new protocol (like IPv4 to IPV6).

   What is the exact use of a MAC address? | Super User

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   What is MAC address example?

   • There are special MAC addresses, one for example is ff:ff:ff:ff:ff:ff, which is the broadcast address and addresses every network adapter in the network. How do IP addresses and MAC addresses work together? IP is a protocol that is used on a layer above ethernet. Another protocol for example would be IPX.

   What Exactly Is a MAC Address Used For? - How-To Geek

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   How do MAC addresses work?

   • 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.

   What Is a MAC Address, and How Does It Work? - How-To Geek

   www.howtogeek.com/764868/what-is-a-mac-address-and-how-does-it-work/

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   What is the difference between a MAC address and a local address?

   • Local means that the network devices are either directly connected through a cable or by WiFi or over a network hub or network switch. Network cards each have a unique MAC address. Packets that are sent on the ethernet are always coming from a MAC address and sent to a MAC address.

   What is the exact use of a MAC address? | Super User

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   How does a MAC address work on a network card?

   • The network card with the matching MAC address will receive the message and the network driver will open the Layer 2 envelope and pass the contents up to whichever part of the operating system is expecting to receive messages at the specific IP address.

   What is the exact use of a MAC address? | Super User

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   Is there a routing based on MAC addresses?

   • There is no routing based on MAC addresses. Low level ethernet and MAC addresses can only reach every device on the same network (cabled or wireless). If you have two networks with a router in between you cannot have a device in network A send a packet to the MAC address of a device in network B.

   What is the exact use of a MAC address? | Super User

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9. dev.to › s3cloudhub › what-is-a-mac-address-and-howWhat is a MAC Address and How Can It Be Changed?

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   Oct 7, 2024 · Unlike IP addresses, which can change based on the network you’re connected to, MAC addresses are permanent and unique to each device. In this article, we’ll explore what a MAC address is, why it matters, and how you can change it.