The device is linked to other devices on a network by a unique identifier known as its address. Finally, we will provide some resources for further reading on the subject.Ī network device’s MAC address, also known as the Media Access Control, is essentially the address of the device on the network. We will also provide some tips on how to effectively use the MAC address table in Linux for troubleshooting. In this article, we will discuss how to check the MAC address table in Linux and why it is important. Knowing how to check the MAC address table in Linux can be an incredibly useful tool for network administrators, as it can help them to diagnose and troubleshoot network issues. A MAC address, also known as a Media Access Control address, is a unique identifier assigned to a network interface that is used to identify a particular device on a network. However, it is not pre-installed out-of-the-box in some Linux.In today’s world of technology, it is essential to know how to check the MAC address table in Linux. Similar to Microsoft Windows “ ipconfig“, Linux also has “ ifconfig” command to do the similar job. Usually, the wireless device is one of “ wlan0, wlan1, wlan2, wlo0, wlo1, wlo2” while the wired device name is “ eth0“, “ eth1“, “ eno0“, or “ eno1” depends on your machine.Īnd the addresses behind “link/ether” in the output are what you want to find: Link/ether ac:e2:d3:6d:7a:ac brd ff:ff:ff:ff:ff:ffģ: wlo1: mtu 1500 qdisc noqueue state UP mode DORMANT group default qlen 1000 It will output something look like: :~$ ip linkġ: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 Without installing anything, the built-in ip command line tool can tell the info via: ip link In my case, the address is “AC:E2:D3:6D:7A:AC”.įind MAC Address via single command (Universal way):įor other Desktop or all Linux server, there are a few commands to tell the hardware address. Check Wired Network Infoįinally, you’ll see the “Hardware Address” (aka Mac address) in the pop-up dialog for either WiFi or Wired network, depends on which button you clicked. You can find the Mac address even the cable is not plugged. Or, go to the “Network” in the left pane and click on the “gear” button for the wired network. If Wi-Fi connected, in the first tab click on the “gear” icon after the connected network will open the information page. Find MAC Address in Ubuntu or Other Linux with GNOME Desktop:įor the Linux with GNOME Desktop, e.g., Ubuntu 18.04 +, Debian 11, Fedora Workstation, and CentOS 8, it’s easy to find it.įirstly, go to upper-right corner system tray menu and click the option to open “Settings”. While a notebook will have two: one for wireless card and another for the wired. Usually, desktop PC has only one MAC address for the wired network. Each network device has its own hardware address. MAC Address, stands for media access control address, is a unique identifier assigned to a network interface controller for use as a network address in communications. Here are how to find it either in graphical way or by running command. Sometimes you need to know the physical hardware address (aka MAC Address) of your network cards on Ubuntu or Debian Linux.
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