When vendors create network devices such Ethernet NICs, wireless devices, routers, and switches, they burn-in these addresses into their devices.Ī MAC address has few names, including P hysical Address, Ethernet Address, Burned-in Address, and Hardware Address. 2001.1111.1111Īn Ethernet MAC address is a hardware address, therefore, it MUST uniquely identifies every Ethernet device in the world. Most computers list this address as 12-digit Hexadecimal numbers. The moment you hear MAC address, think Ethernet is being used regardless of the Media (cable type) is being used between the devices such Copper, Fiber cables, or even over Wireless radio wave.Īll Ethernet addresses (Including Unicast, Broadcast, and Multicast) are 6-byte-long ( 48-bit-Long) or 12-character Hexadecimal Address. So, if Network Layer package Packets using IP Addressing system which is a logical Addressing system, then Ethernet frames or load those packets using a physical Addressing system that meant on the hardware level.Įach network device in this world get its own unique 48bit MAC Address which will be used only by Ethernet Technology. Understanding Ethernet MAC Addresses will help you grasp how Ethernet transfer frames filled with packets across network devices using MAC Addresses format. Media Access Control meant to to be a Physical Hardware Address System used by Ethernet. Understanding Quality of Service Concept.Understanding Application Layer Services.Understanding IP Routing Process Concept.Understanding Data Link Layer Encapsulation.Understanding Packet Flow Across the Network Part2.Understanding Packet Flow Across the Network Part1.
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