Why might a computer have more than one MAC address?Ī computer can have multiple NICs including two or more Ethernet NICs and wireless NICs.How many different vendors did you disc over?Īnswers will vary depending on the setup of the PC.
IDENTIFY THE MAC ADDRESS FOR A WINDOWS 10 PC UPDATE
Use the information that you found to update the vendor column in the chart in Step 1.Use this tool or use the internet to search for other ways to identify an OUI. provides an easy to use lookup tool at.Step 2: Lookup the vendors who are the registered owners of the OUI that you listed in the table. In th is example, the physical MAC address for the Ethernet LAN interface is D4-BE-D9-13-63-00. All MAC addresses that begin with the same OUI must have unique values in the last 3 bytes. The second part of the address, the remaining 3 bytes are the unique ID for the interface. Each vendor who wants to make and sell Ethernet network interfaces must register with the IEEE in order to be assigned an OUI. This part of the MAC is called the OUI (Organizationally Unique Identifier). One part of the MAC address, the first 3 bytes, represents the vendor who manufactured the network interface. These addresses are 48 bit (6 bytes) long and are written in hexadecimal notation. Part 2: Analyzing the Parts of a MAC AddressĮvery Ethernet network interface has a physical address assigned to it when it is manufactured. How many MAC addresses did you discover in your PC?Īnswers will vary depending on the setup of the PC. Use the table below to fill in the description of the Ethernet adapter and the Physical (MAC) Address: Step 2: Locate the MAC (physical) address(es) in the output from the ipconfig /all command Enter the ipconfig /all command at the command prompt.Right-click on the Start button and select Command Prompt.Step 1: Display information for the command ipconfig / all In this part of the lab, you will determine the MAC address of a computer using the Windows ipconfig command. Instructions Part 1: Locating the MAC Address on a Computer
IDENTIFY THE MAC ADDRESS FOR A WINDOWS 10 PC PC
Analyze a MAC address to determine the manufacturer.Įvery computer on an Ethernet local network has a Media Access Control (MAC) address that is burned into the Network Interface Card (NIC).Determine the MAC address of a Windows computer on an Ethernet network using the ipconfig /all command.
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