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Duplicate/conflicting MAC addresses may be caused by manufacturer mistakes/errors or spoofing.

If so, those two NICs will have conflicts and problems on the network. However, some people may find two NICs with the same MAC address. MAC addresses are supposed to be unique among every NIC. NOTE: A MAC address may also be called a hardware address, Ethernet hardware address (EHA), burned-in address (BIA), or physical address. When using Linux, there are some special commands that users may benefit from learning such as viewing their MAC address or changing it. When using any type of operating system on a network, it helps to understand the concepts and ideas of MAC addresses. MAC addresses are used by most IEEE-802-compliant networks as an address for each NIC. A MAC address is a unique twelve-hex-digit (48 bits) fingerprint/identifier for network interface cards (NICs). Ubik Load Pack is a set of Enterprise Grade plugins for Apache JMeter.A MAC address (media access control address) is very important in the field of computer networking.We’re strong contributors to JMeter and its eco-system.We provide professional services for Load Testing.You’ll get the MAC Address “ C0-B6-F9-5B-04-9B” for connected transport: Open a Command Prompt by running “ cmd” in “Search Windows” then run: getmac How to get MAC address of a Windows machine You get this output, we highlight below the MAC address “ 02:9B:B0:CB:AA:FC” of first ethernet adapter “ eth0“: How to get MAC address of a Linux machine Packets that are sent on the ethernet are always coming from a MAC address and sent to a MAC address. If you look at wikipedia definition, a media access control address ( MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.Ī machine can have multiple MAC addresses, but each NIC as only one MAC address.