Why do we need a MAC address when we have IP address?

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Why do we need a MAC address when we have IP address?

So again, IP Addresses are logical and routeable addresses. And that’s why computers have both MAC Addresses and IP Addresses. MAC Addresses handle the physical connection from computer to computer while IP Addresses handle the logical routeable connection from both computer to computer AND network to network.

Why is it necessary to map an IP address to a MAC address why can’t the IP address be used to represent the MAC address?

It contains NO information about where the system is, and how it is connected to the Internet. That makes it impossible to build a routing table other than a complete map that lists EVERY single MAC address ever seen.

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Why do we need link layer address?

The choice of source and destination addresses depends on the service performed and will be detailed later. NS may include a link layer address option. It allows the receiver to learn the link layer address of the sender without having to perform address resolution.

How do devices get their MAC or IP address?

Android Phones/Tablets

  1. Locate and tap the Settings app.
  2. Scroll to find, then tap About Device (on some phones it will say About Phone).
  3. Tap Status.
  4. The MAC address is listed under WiFi Address.

Why is IP addressing important to networking?

IP addresses may identify your own computer, a favorite website, a network server, or even a device (such as a webcam). IP addresses are especially important for sending and receiving information. They route internet traffic where it needs to go, and they direct emails to your inbox.

How devices get their MAC or IP address?

What is a MAC IP address?

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MAC Address. IP Address. MAC address is a unique identifier that is assigned to a Network Interface Controller/ Card. An IP address is an address that helps you to identify a network connection. The full form of MAC address is Media Access Control Address.

What is Network layer address?

The Network layer protocol translates logical addresses to MAC addresses. For example, in a typical IP address, such as 192.168. 1.102, the network address is 192.168. 1, and the device address (called a host address in IP) is 102.