10/10/2023 0 Comments Linux get interface mac address![]() ![]() Let us understand local and global IP to find the MAC address place when accessing the internet.Īlso Read: 3 Ways to Find Out Your IP Address in LinuxĪ local IP address is assigned to you by the mediator (routers, switches, etc.) for local communication between devices without any connection to the outside world. ![]() You know, the MAC address is the unique physical/hardware address assigned during manufacturing. You need to iterate over all the available interfaces on your machine, and use ioctl with SIOCGIFHWADDR flag to get the mac address. The relationship between a MAC address and an IP address is essential, and both combinations are the way to access the global internet. How to get mac address for an interface in linux using a C Program - Stack Overflow How to get mac address for an interface in linux using a C Program Ask Question Asked 13 years, 8 months ago Modified 13 years, 8 months ago Viewed 20k times 6 i want to find the mac address using a C program in linux. Relationship Between MAC Address & IP Address Your wireless interface will likely be named wlan0 or wifi0. Surprisingly, this OUI is registered and assigned to the manufacturer by the IEEE, the same organization responsible for assigning IPv4/IPv6 addresses. Linux In a terminal window type ifconfig and return. The 00:14:22 identifies the manufacturer as Dell, and the other three sets are used to determine the device.Ĭlick here to find your MAC address manufacturer For example, my system MAC address is 00:14:22:14:db:db where the first three sets of this address are 00:14:22 considered OUI. ![]()
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