linux网卡改名

 今天在测试opennebula，因为换了这个虚拟网络，发现启动的虚拟机的网卡改名了，eth0改为了eth3

udev: renamed network interface eth0 to eth3

因为虚拟机的配置是需要通过其他初始化脚本来生成的，所以网卡的设备名不能改变，需要把eth3修改为eth0

以rhel6为例，把以下文件作修改如下：

1、把eth0 ,eth1 ,eth2的相关行删除掉

2、把eth3的相关行保留，并把eth3改为eth0即可。

 

[root@ovm0246 ~]# vim /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 0x10ec:0x8139 (8139cp) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:12:34:56", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x10ec:0x8139 (8139cp)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:c0:a8:14:f9", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x10ec:0x8139 (8139cp)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:e4:d4:1d", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"
# PCI device 0x10ec:0x8139 (8139cp)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:c0:a8:14:fa", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"