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小編給大家分享一下如何解決centos7將網(wǎng)卡加入到網(wǎng)橋后Missing config file br-ex網(wǎng)卡無(wú)法正常啟動(dòng)問(wèn)題,希望大家閱讀完這篇文章之后都有所收獲,下面讓我們一起去探討吧!
原來(lái)的/etc/sysconfig/network-scripts/ifcfg-ens2
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HWADDR=68:05:CA:11:XX:XX
TYPE=Ethernet
BOOTPROTO=none
NAME=ens2
UUID=bc723ed2-3196-491b-8e25-bf4a56a63c81
ONBOOT=yes
/var/log/message
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Nov 25 13:42:50 localhost network: Bringing up interface ens2: Error: either "dev" is duplicate, or "br-ex" is a garbage.
Nov 25 13:42:50 localhost network: cat: /sys/class/net/ens2: Is a directory
Nov 25 13:42:50 localhost network: cat: br-ex/ifindex: No such file or directory
Nov 25 13:42:50 localhost network: /etc/sysconfig/network-scripts/ifup-eth: line 273: 1000 + : syntax error: operand expected (error
token is "+ ")
Nov 25 13:42:50 localhost network: ERROR : [/etc/sysconfig/network-scripts/ifup-aliases] Missing config file br-ex.
Nov 25 13:42:50 localhost /etc/sysconfig/network-scripts/ifup-aliases: Missing config file br-ex.
網(wǎng)卡啟動(dòng)的腳本分別是
/etc/init.d/netwrok -> /usr/sbin/ifup -> /etc/sysconfig/network-scripts/network-functions
-> /etc/sysconfig/network-scripts/ifup-eth
通過(guò)跟蹤各個(gè)變量發(fā)現(xiàn)問(wèn)題是系統(tǒng)將DEVICE變量設(shè)置為了“ens2 br-ex2”
所以才會(huì)出現(xiàn)上述奇怪的log,而正確的DEVICE應(yīng)該就為“ens2”
主要原因是在ifcfg-ens2 文件中沒(méi)有DEVICE參數(shù),network-functions 會(huì)根據(jù)mac地址找設(shè)備,但br-ex的Mac地址和ens2相同,所以得到的DEVICE就是錯(cuò)誤。
解決辦法就是增加DEVICE參數(shù),修改后的/etc/sysconfig/network-scripts/ifcfg-ens2 如下
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DEVICE=ens2
看完了這篇文章,相信你對(duì)“如何解決centos7將網(wǎng)卡加入到網(wǎng)橋后Missing config file br-ex網(wǎng)卡無(wú)法正常啟動(dòng)問(wèn)題”有了一定的了解,如果想了解更多相關(guān)知識(shí),歡迎關(guān)注億速云行業(yè)資訊頻道,感謝各位的閱讀!
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