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如何更改网卡名称 例如 eth0 改为 eth3

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首先确认系统能够识别你的网卡：

# lspci | egrep -i --color 'network|ethernet'

接下来，有两个方法。

方法1：

vi /etc/udev/rules.d/70-persistent-net.rules

如何更改网卡名称 例如 eth0 改为 eth3

# cd etc/sysconfig/network-scripts/
# mv ifcfg-eth3 ifcfg-eth0

# vi ifcfg-eth0

配置网卡ip相关信息。

# service network restart
# ifconfig -a

方法2：

First of all find out the mac address of your interface cards

[root@devmillennium-web ~]# ifconfig -a | grep -i --color hwaddr

eth0 Link encap:Ethernet HWaddr **xx:xx:xx:xx:xx:xx**

To rename eth3 as eth0, edit a file called 70-persistent-net.rules in /etc/udev/rules.d/ directory.

# vi /etc/udev/rules.d/70-persistent-net.rules

The names of the Ethernet devices are listed in this file as follows:

# PCI device 0x14e4:0x1680 (tg3)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="**n6:cd:6f:45:32:e6**", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="**eth0**"

Here change the mac address to your networkinterface mac address xx:xx:xx:xx:xx:xx and change name of the interface from eth3 to eth0.

and now reboot the server。

方法3：

# lspci | egrep -i --color 'network|ethernet'