MAC is the foundation for IP address to communicate packet from one system to the other. MAC address is very essential for the IP layer to work. The first three pairs of digits represent manufacturer(called OUI-Organisationally Unique Identifier) and last three pairs of digits represent number specific to the device(called NIC-Network Interface Controller Specific).ĪRP,Address Resoultion Protocol is used to convert IP address to the MAC address. MAC address represent manifacturer of the card and device number. Remember Hexadecimal digits can be numbers from 0-9 and letters from A-F. MAC address is composed of 48 bit or six hexadecimal digits,separated by colons or dashes. It is "burnt into" the device by manufacturer of the device or Card. MAC address is unique to network device wanting to utilize TCPIP network or LAN or WLAN service. MAC address is also referred as physical address or hardware address or ethernet address. MAC address stands for Medium Access Control Address. What is IP address ,what is MAC address, networking devices which include hub, switch, Vs packet switching, TCP/IP protocol fields, ARP/RARP protocol fields,
This tutorial covers everything one like to know about networking basics including circuit switching
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