CentOS网络唤醒设置说明

港控/mmm° 2022-08-07 08:43 640阅读 0赞

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 <td style="word-wrap:break-word; font-size:14px; line-height:1.6em; font-family:song,Verdana"> 如果 wake-on 一项值为 d,表示禁用wake on lan&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;值为 g,表示启用 wake on lan # ethtool -s eth0 wol g &nbsp; &nbsp; 再用 ethtool命令进行查看,会发现: &nbsp; &nbsp; Wake-on: g &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; OK，目标机器的网卡已经支持了远程开机，下面我们得到它的本地MAC地址: 当机器重启后，eth0的设置又会回复到Wake-on: d 状态, &nbsp; &nbsp;&nbsp; &nbsp;这个问题怎么解决？ &nbsp; &nbsp;&nbsp; &nbsp;两个办法：第一个，也是我们的惯性思维; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 把/sbin/ethtool -s eth0 wol g 这条命令附加到/etc/rc.local这个文件中， &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 则下次开机后会自动执行 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 第二个: 编辑/etc/sysconfig/network-scripts/ifcfg-eth0 &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;（eth0网卡的配置文件），添加上一行： &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;ETHTOOL_OPTS=”wol g” wol的取值默认是d,含义是disable &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;修改后的值为g,含义是Wake on MagicPacket(tm) &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;它还有几个取值，分别是：&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;p&nbsp;&nbsp;Wake on phy activity &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;u&nbsp;&nbsp;Wake on unicast messages &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;m&nbsp;&nbsp;Wake on multicast messages &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;b&nbsp;&nbsp;Wake on broadcast messages &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;a&nbsp;&nbsp;Wake on ARP</td> 
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