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Editor to share with you what the router mac means, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Router mac means the physical address of the network card; unlike the IP address, the IP address is used to indicate the location of the computer in the global Internet, while the MAC address is used for routing calculation to find the nearest path; the MAC address of the network card varies all over the world, and each network card has only one MAC address.

MAC is the physical address of the network card.

Unlike the IP address, the IP address is used to indicate the location of the computer in the global Internet, while the MAC address is used for routing calculation and finding the nearest path.

The MAC addresses of network cards vary all over the world, and each network card has only one MAC address. But the MAC address of the network card can be changed. So now, shu says, this address is not fixed for every computer.

Extended data:

The connection and difference between MAC address and IP address:

In a stable network, IP addresses and MAC addresses appear in pairs. If a computer wants to communicate with another computer outside the network, configure the IP address of the two computers. The MAC address is set when the network card leaves the factory, so that the configured IP address forms a corresponding relationship with the MAC address.

In data communication, the IP address is responsible for indicating the network layer address of the computer, the network layer device (such as the router) operates according to the IP address, the MAC address is responsible for indicating the data link layer address of the computer, and the data link layer device (such as the switch) operates according to the MAC address. The mapping relationship between IP and MAC addresses is accomplished by ARP (Address Resolution Protocol, address Resolution Protocol) protocol.

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