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【转】Linux下修改MAC地址三种方法

方法一：
1.关闭网卡设备

ifconfig eth0 down

2.修改MAC地址

ifconfig eth0 hw ether MAC地址

3.重启网卡

ifconfig eth0 up


方法二：
以上方法一修改后linux重启后MAC又恢复为原来的，为了下次启动时修改后的MAC仍有效，我们可以修改文件file:/etc/rc.d/rc.sysinit(RedFlag Linux为这个文件，其他版本的linux应该不同)的内容，在该文件末尾加以下内容：

ifconfig eth0 down
ifconfig eth0 hw ether MAC地址
ifconfig eth0 up


方法三：
很简单的，只是在./etc/sysconfig/network-scripts/ifcfg-eth0中加入下面一句话：

MACADDR=00:AA:BB:CC:DD:EE 

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