Generally, the wireless device names will be wlan0, wlan1, wlan2, wlo0, wlo1, and wlo2, whereas the Ethernet (wired device) will probably have eth0, eth1, eno0, eno1,enpls0, or enpls1. Open up your terminal and use the following command, and it will bring the address of the present network cards in your system: ip linkĪnd you’ll be met with the following output: There are serveral Linux networking commands that can be used to get the MAC address of the WiFi or LAN cards.īasically, use the same command that you use for checking the IP address. Method 1: Find MAC address using command line I’ll show both command line and GUI methods. In this tutorial, I’ll share the steps for finding the MAC address of your desired networking interface in Linux. The MAC address, also known as the physical address, is a 12-digit hexadecimal code (48-bits) and is represented as MM:MM:MM:SS:SS:SS So, your WiFi card has a MAC address, and so does the Ethernet (LAN) port. It is because the MAC address is a core part of networking, and each networking peripheral device has its own MAC address. If you’re using a public Wi-Fi connection, the service provider can use your MAC address to limit or track your usage.When you are learning networking or troubleshooting it, you would need to know the MAC address.Ī computer can have more than one MAC address. 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. 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. 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. Let me walk you through the simple steps to find the MAC address on your MacBook. 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.

How to find wifi mac address