linux网卡改名

今天在测试opennebula,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

虚拟机的配置是需要通过其他初始化脚本来生成的,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==
拥有帝国一切，皆有可能。欢迎访问phome.net"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) 
 

拥有帝国一切，皆有可能。欢迎访问phome.netSUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:00:c0:a8:14:fa", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3" 

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