Some Internet Service Providers use this MAC Address to authenticate their users.Īn IP Address is a unique address used for identifying devices in internet or on a local network, IP is acronym for Internet Protocol, which is a set of rules governing the data transmitted in network communications.
MAC Addresses of a router can serve to position people with higher accuracy compared to IP Address. The MAC Address of a network card can be used to assign a static IP to a computer by a router, literally to say it a router can be configured so that it detects the presence of a MAC Address.MAC Address can be used in restricting access to a computer network to prevent unauthorized accesses from external devices into the network. These MAC addresses are defined and managed by Institute Of Electrical And Electronic Engineering(IEEE).In the MAC Address, the first 3 octets identify the organization that published the identifier and referred to as Organizational Identifiers.Īs the MAC address fundamentally deals with identifying the physical details of network components, they also got a nickname “Physical Address” and it holds true as their basic operation is to identify the physical or hardware components of network like This MAC Address is like a fingerprint of each device which means they identify each device in like a physical identifier, just like for humans fingerprints are considered as standard source for authentication.
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