Changing MAC address of a network interface card(NIC) can be done in various ways. it can be done through command line, through GUI mode, through registry in windows and with the help of a software. The easiest way to change the mac address of a NIC is through GUI mode. Although the process of changing mac address varies from one operating system to another, you can change mac address in all windows operating systems in similar way. Select the steps to change mac address through for your operating system from the menu at the top left. I hope information provided in this website will be useful to you. The steps are provided with screen shots for convinence.

Facts about mac address:

  1. MAC address is Media access control address.
  2. It is also known as physical address or hardware address.
  3. MAC address is a 48 bit or 6 bytes address burned into Ethernet
    network interface card (NIC). No two network interface card (NIC)
    have same MAC address.
  4. The 24 bits of the 48 bit address are vendor assigned.
  5. MAC address uniquely identifies a host within a LAN.
  6. MAC address is defined in data link layer of the OSI Model and
    used by the Media Access Control sub layer of the Data link layer.
  7. The MAC address cannot be changed by the user and to check
    computer’s MAC address, type ipconfig /all at the command prompt.
  8. MAC address are used by bridge or switch to forward frames in the
    network.
  9. Types of MAC address:
    Unicast address : An address for a specific computer.
    Multicast address : An address for a specific group of computers in
    network.
    Broadcast address : An address for all computers in network.
  10. You can check computer IP address and MAC address on
    Windows XP enabled computer using command ipconfig at command
    prompt. The command will display
    Hostname
    DNS servers
    Physical address
    IP address
    Subnet mask
    Default gateway
    WINS servers
    Windows XP, without using the command prompt
    Right-click the My Network Places icon, and then select Properties.
    Double-click the Local Area Connection icon. Click the Support tab.
    Click the Details... button.

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