It is almost used in all the Network Devices which has network controller in it. It is a unique 48 bit(6-byte) address assigned to a Network Interface. MAC is abbreviated as Media Access Control. This is typically in-line with IEEE 802 Network technologies. You can find the usage of MAC address in wide range of Network Devices currently in use. You might be aware of Ethernet Card/Network Card/NIC Controller which works at Network level and is responsible for communicating with other network devices in a Network Topology. In this article, I will take you through different ways to List/Get/Display/Find MAC Address in Linux. Method 11: How to find MAC Address in Linux using Sed Regex with ifconfig command.Method 10: How to find MAC Address in Linux using AWK Regex with ifconfig command.Method 9: How to find MAC Address in Linux using SYS Files.Method 8: How to find MAC Address in Linux using Regex with ifconfig command.Method 7: How to find MAC Address in Linux using ethtool command.Method 6: How to find an ethernet MAC Address in Linux using ip link show command.Method 5: How to find MAC Address in Linux Using ip link show command.Method 4: How to find an ethernet MAC Address in Linux using ip addr sh command.Method 3: How to find MAC Address in Linux Using ip addr sh command.Method 2: How to find an ethernet MAC Address in Linux Using ifconfig command.Method 1: How to find MAC Address in Linux Using ifconfig command. #define debug(x.) printf(x) printf("\n") #include //Provides declarations for ip header #include //Provides declarations for tcp header The code below does all this and also gets the interface name and does some network communication (send SYN to IP address obtained from a file which is a list of IP addresses - one per line). Following the suggestion to use a netlink socket to get the default route I implemented something that gets the default route ip address and then gets the MAC address through an ARP request.
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