centos网卡mac不匹配

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1、Centos更换主板后，识别不到网卡的解决办法。重启网卡遇到如下错误提示解决方法：1.打开etc/sysconfig/network-scripts/ficfg-eth0，确定ONBOOT应该为yes，2.检查ficfg-eth0的MAC和ifconfig现实的MAC是否相符，并修改ficfg-eth0的MAC。3.重启服务，serviceNetworkManagerrestart,servicenetworkrestart.4.然后系统会自动识别到网卡信息，就ok了。解决办法：首先，打开/etc/udev/rules.d/70-persistent-net.rules内

2、容如下面例子所示：#vi/etc/udev/rules.d/70-persistent-net.rules#Thisfilewasautomaticallygeneratedbythe/lib/udev/write_net_rules#program,runbythepersistent-net-generator.rulesrulesfile.##Youcanmodifyit,aslongasyoukeepeachruleonasingle#line,andchangeonlythevalueoftheNAME=key.#PCIdevice0x1022:0x2000(p

3、cnet32)SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="00:0c:29:8f:89:97",ATTR{type}=="1",KERNEL=="eth*",NAME="eth0"#PCIdevice0x1022:0x2000(pcnet32)SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="00:0c:29:50:bd:17",ATTR{type}=="1",KERNEL=="eth*",NAME="eth1"记录下，et

4、h1网卡的mac地址00:0c:29:50:bd:17接下来，打开/etc/sysconfig/network-scripts/ifcfg-eth0#vi/etc/sysconfig/network-scripts/ifcfg-eth0将DEVICE="eth0" 改成 DEVICE="eth1" ,将HWADDR="00:0c:29:8f:89:97"改成上面的mac地址 HWADDR="00:0c:29:50:bd:17"最后，重启网络#servicenetworkrestart或者#/etc/init.d/networkrestart正常了。