IP LINK SET MAC ADDRESS MAC
Otherwise, you will get an error.Īlso, with this approach, the MAC address reverts to the old value after system reboot. Please note, the new MAC address has to be unique across the entire network. Now if you check the MAC address of your device, you will find that it has changed to the new value you have assigned. Once you have changed the MAC address of network card, restart it with the following command.
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Replace with device whose MAC address you want to change, and with the new mac address. Next, you can use the ip command to set the MAC address to a new value. Here is an example to stop network adapter enp2s0. Replace with the device name of your network adapter. So we will stop one of the network devices using the following command to change its MAC address. You cannot change the MAC address of a device while it is running. The above command displays MAC address for 2 network adapters enp2s0 and wlp3s0. The first 6 digits of MAC address is for device manufacturer while the next 6 digits for device ID. You will see the following kind of output where MAC addresses contain 12 digits, 6 fields of 2 characters and letters separated by colons “:” like XX:XX:XX:XX:XX:XX. Change MAC address Manuallyįirst let us view our system’s current MAC address using the following command.
IP LINK SET MAC ADDRESS HOW TO
We will look at how to change MAC address manually as well as automatically. You can change MAC address of a system manually, or automatically. In this article, we will learn how to change MAC address of your system, manually as well as automatically, to a specific MAC address as well as a random one.
This is because two devices cannot have same MAC address on a network. It is also used to clone MAC address of a device that is connected to your network, thereby forcing it to disconnect from the network, and reconnect again. It is used by security administrators to investigate issues.
It is known as MAC spoofing and might be required in case you don’t want to leave any trace of your access on other systems. But still sometimes you may need to change mac address in Linux. It is generally provided by hardware manufacturer and cannot be changed normally. It does not change from network to network like the IP address. MAC address is the physical address of every system (laptop, mobile, tablet, servers, etc) that is unique for every device and permanent.
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