Change MAC Address in CentOS 7 

This tutorial will show you how to change MAC Address in CentOS 7. I assure you this is a perfectly working and tested method. In many cases you need to change MAC to allow internet access or run any MAC based licensed software like Radius Manager. So for those situations here we go.

Steps to change MAC Address in CentOS 7:

Update CentOS Repositories by:

  1. yum install update
Install nano (for editing config files) and net-tools (for enabling ifconfig command).
yum install nano net-tools
Go to the ethernet configuration file.
nano /etc/sysconfig/network-scripts/ifcfg-ens160
Add the following line. Replace the current MAC with your desired MAC Address.
Save the configuration file
Restart the networking process.
service network restart
You are done. Now, verify by issuing ifconfig command
If you have a windows machine in the same network. Issue arp -d to delete current ARP table. Then ping CentOS 7 IP Address from Windows PC. Next issue arp -a. You will find the changed MAC next to your CentOS 7 IP Address.

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