centos7下修改网卡Mac地址

[root@localhost ~]# systemctl stop network
[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens32 
添加内容（原来的mac地址为00:0c:29:32:26:89）
MACADDR="00:0c:29:32:26:91"  
[root@localhost ~]# systemctl start network
[root@localhost ~]# ip a | grep link/ether
    link/ether 00:0c:29:32:26:91 brd ff:ff:ff:ff:ff:ff

修改完成