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Linux centos6.7網卡配置

each 依次 con -s onf centos ace http sent

系統安裝完成後

以此執行以下命令 相當於自動獲取IP地址

setup命令——Network configuration———Device configuration———eth0 依次保存退出

實際上就是修改 /etc/sysconfig/network-scripts/ifcfg-eth0 的內容

TYPE=Ethernet

UUID=8f317ed7-9c85-4a67-bd89-a2b30ff86517

ONBOOT=yes

NM_CONTROLLED=no

BOOTPROTO=dhcp

USERCTL=no

PEERDNS=yes

IPV6INIT=no

一條命令修改ONBOOT=no

sed –I ‘s#ONB00T=no#ONBOOT=yes#g’ /etc/sysconfig/network-scripts/ifcfg-eth0

網卡重啟 service network restart

關閉:ifdown eth0 開啟:ifup eth0

期間我克隆了一個虛擬機 上述操作完成後 發現怎麽都重啟不了網卡,網上查了一些資料最後成功了 方法如下:

故障現象:

service network restart
Shutting down loopback insterface: [ OK ]

Bringing up loopback insterface: [ OK ]
Bringing up interface eth0: Device eth0 does not seem to be present,delaying initialization. [FAILED]

技術分享圖片

解決辦法:

首先,打開/etc/udev/rules.d/70-persistent-net.rules內容如下面例子所示:

# vi /etc/udev/rules.d/70-persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.
# PCI device 0x1022:0x2000 (pcnet32)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:8f:89:9
7", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x1022:0x2000 (pcnet32)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:50:bd:1
7", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

記錄下,eth1網卡的mac地址00:0c:29:50:bd:17

接下來,打開/etc/sysconfig/network-scripts/ifcfg-eth0

# vi /etc/sysconfig/network-scripts/ifcfg-eth0

將 DEVICE="eth0" 改成 DEVICE="eth1" ,
將 HWADDR="00:0c:29:8f:89:97" 改成上面的mac地址 HWADDR="00:0c:29:50:bd:17"

最後,重啟網絡

# service network restart
或者

# /etc/init.d/network restart

正常了。

Linux centos6.7網卡配置