![]() ![]() If you’re using a public Wi-Fi connection, the service provider can use your MAC address to limit or track your usage. Internet cafes often use the MAC address to identify a particular device on their network. MAC addresses can also be used to assign static IP addresses and can be filtered further to limit the number of device connections in a network. Step 1 Open the Linux terminal and run the following command: ifconfig -a. You can assign an IP address to the MAC and then access the IP that way: Microsoft Windows Windows systems require the dash '-' character between each digit of the MAC Address (Ethernet Address). However, if you know how to find the MAC address on your MacBook, you can use that to help identify your computer’s IP address.Īdditionally, internet service providers can use your MacBook’s MAC address to control your access. For the Linux system, follow the below steps to find IP and Mac addresses. IF you can connect to the device you know the MAC of on the same network (ideally a cross-over cable). Your MacBook can also sometimes fail to display its IP address, leading to the said error. That’s because IP addresses can be hidden through VPNs (Virtual Private Networks). Sometimes, you might encounter a “No Valid IP Address” error. ![]() Why Would You Need to Find the MAC Address on MacBook The MAC address is often found on a device’s network interface card (NIC) and is required when locating a device or when doing diagnostics on a network device. The last six digits, on the other hand, represent the Network Interface Controller assigned by the manufacturer to the device. The first six digits, called the Organizational Unique Identifier, represent the manufacturer of the device. The MAC address, or media access control address, is a 12-digit hexadecimal number assigned to each network device. A MAC address (also known as Physical Address or Ethernet ID) is a unique number burned onto a chip on the network card inside your computer which. These can be a remote desktop manager, Telnet program, or similar. In addition, this enables you to use a variety of different tools to gain access to the device. ![]() Let me walk you through the simple steps to find the MAC address on your MacBook. If you know the MAC address, all you need to do is type the arp -a command into your terminal or Command Prompt this will quickly let you find its IP. For instance, configuring a network router to filter devices or troubleshooting that network requires the MAC address. Knowing how to find the MAC address on your MacBook could sometimes be useful. ![]()
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