Linux 修改MAC地址提示：SIOCSIFHWADDR: Cannot assign requested address
来源：互联网 发布：软件空 编辑：程序博客网 时间：2024/06/05 13:25
在Linux下修改网卡的MAC地址命令：
/sbin/ifconfig eth0 down
/sbin/ifconfig eth0 hw ether 47:72:65:65:6e:00
/sbin/ifconfig eth0 up
当输入第二句命令是会提示：SIOCSIFHWADDR: Cannot assign requested address。原来是MAC地址设置不对。
IP地址分为三类：广播，组播和单播。广播就是：FF:FF:FF:FF:FF:FF。组播：第一字节最后一位是1，如47:72:65:65:6e:00，
47的最后一位是1。单播：第一字节最后一位是0，如48:72:65:65:6e:00。把上面的地址改为48就不会出现这个问题了。
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