You can check if an interface is up looking at operstate in the device directory.

On a modern GNU/Linux system you can see the available network interfaces listing the content of /sys/class/net/, for example: $ ls /sys/class/net/ How do I find it ? Also it should work on all the Linux flavours. So in this case I want the HWaddr for eth1 and not eth0. NOTE : I have changed the values of the output. UP BROADCAST RUNNING MULTICAST MTU:123 Metric:123 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:123 it has an inet address, I even don't want one having inet6). So is there a way I could get the MAC address for the first available interface that is Active.(i.e. Also on OS X the interface names are different.Īlso the interface eth0 may be present but is unused. Scroll down until you see the Wi-Fi MAC address.Currently all the solution mentioned for getting the MAC address always use eth0.īut what if instead of eth0 my interfaces start with eth1.Look for Wi-Fi address.this is your MAC address.The MAC address should contain 6 sets of HEX numbers for example: 00:A0:23:C9:12:FF The wireless network adapter is labeled wireless, but also look for something like the following example: Intel Pro10/100/1000 PCI Adapter.Īpproximately 15 lines below the adapter name is the MAC Address.

It is important to find the correct device. Scroll down to find your network adapter note that many devices may be listed. Click on the + sign to the left of Network.Click on the + sign to the left of Components.For Windows 10: Click in search window and then type:.For Windows 7: Click the Start Menu and then select:Īll Programs > Accessories > System Tools > System Information then go to step 3.Look for your network adapter in the list and the physical address is the MAC number needed. In the black window that pops up type: getmac /v The MAC address is a number used by network adapters to uniquely identify themselves on a LAN a MAC address is a 12-digit hexadecimal string and looks something like: 00:A0:23:C9:12:FFĮasy way: Click the Start Menu and then select All Programs > Accessories > Command Prompt.

How to get the mac address on linux