![]() ![]() A router or switch can be used to find the MAC address table. 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. ifconfig -a | grep -ioE '(.)/ & print $1'Ĭoreutils.In today’s world of technology, it is essential to know how to check the MAC address table in Linux. The same regex also works with PCREs ( -P). The -i makes the match case insensitive and the -o makes grep print only the matched portion. Here, I am looking for 5 repetitions of 2 letters or numbers followed by a colon, then any two characters. There are various regular expressions that will pick these up.
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