Retrieving Mac Address for the given IP-Address. How to get mac address for an interface in linux using a C Program 42.

#define debug(x. Iam trying to get the macaddress for the interface which is up till now iam able to get this. On Windows 8 and 10, press Windows+X, and then click Device Manager on the Power User menu.

#include //Provides declarations for ip header Most network cards allow you to set a custom MAC address from their configuration panes in the Device Manager, although some network drivers may not support this feature. Parse the output of the process like in option 1. First Ping the IP to make sure your NIC caches the command in its ARP table, then use the DOS command arp -a. Create a process, call this command, parse the output. Here you will find your MAC address under. #include //Provides declarations for tcp header Here are some options: Use the DOS command nbtstat -a. Under Linux or macOS open a console/terminal window and enter (Linux) ip link or (MacOS) ifconfig /all there.

It translates to 168.192 in decimal, which makes me suspect that you're in fact looking at the IPv4 header rather than the Ethernet 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). 4 Answers Sorted by: 5 Where exactly in the kernel are you doing this a8:c0 looks quite suspicious. 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.

Getting mac address of ethernet linux