修改centos7的MAC地址

 change MAC Address in CentOS 7:

1. Update CentOS Repositories by:
   ?

   yum update

2. Install nano (for editing config files) and net-tools (for enabling ifconfig command).
   ?

   yum install nano net-tools

3. Go to the ethernet configuration file.
   
   ?

   nano /etc/sysconfig/network-scripts/ifcfg-ens160

4. Add the following line. Replace the current MAC with your desired MAC Address.
   ?

   MACADDR=00:0C:29:24:79:76

5. Save the configuration file.
6. Restart the networking process.
   ?

   service network restart

7. You are done. Now, verify by issuing ifconfig command.
8. 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.