Daily work to solve the problem: Use vmvare centos6 clone a virtual machine without causing a solution of eth0

I. Description of the problem

Sample virtual machine configured with two network cards, eth0, eth1, after use vmvare cloned virtual machine, the virtual machine replication, no card eth0, eth1, but a eth2, eth3, as follows:

Second, Analysis

Replication system NIC mac address has changed, but still retain the information /etc/udev/rules.d/70-persistent-net.rules old card, the new card will increase from eht1 the Internet, it is recognized as eth2 , eth3

Third, the solution:

Summarize the steps:

1. Check and modify /etc/udev/rules.d/70-persistent-net.rules file name card and reboot the system

2.modprobe -r e1000 uninstall module card

3.modprobe e1000 reload the card module

4. Modify the / etc / sysconfig / network-scrcipts NIC configuration file (so that the card format ifcfg- name)

5. Restart card services service network restart

Specific steps are as follows:

1. Check and modify the file name of the NIC /etc/udev/rules.d/70-persistent-net.rules

Delete the original error eth0 and eth1 configuration information, and modify the NAME = "eth2" is NAME = "eth0", NAME = "eth3" is NAME = "eth1", as shown below

[root@localhost Desktop]# 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 0x8086:0x100f (e1000)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:b5:69:fc", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x8086:0x100f (e1000)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:b5:69:06", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

reboot reboot the system, the configuration file to take effect

2, modprobe -r e1000 uninstall module card

[root@localhost Desktop]# modprobe -r e1000

3, modprobe e1000 reload the card module

[root@localhost Desktop]# modprobe e1000

4, edit / etc / sysconfig / network-scrcipts network card profile

Modify eth0, mac address of eth1 profile with the 70-persistent-net.rules corresponding to:

[root@localhost Desktop]# vim /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=00:0c:29:b5:69:fc #修改为正确的mac地址
TYPE=Ethernet
UUID=9dcce425-39a0-477e-afa2-bf1a2d5615af
ONBOOT=yes # 修改为开机启动
NM_CONTROLLED=yes
BOOTPROTO=dhcp

[root@localhost Desktop]# vim /etc/sysconfig/network-scripts/ifcfg-eth1

DEVICE=eth1
HWADDR=00:0c:29:b5:69:06
TYPE=Ethernet
UUID=99037241-ffe5-4de7-8ca0-64ae19f30bd5
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=dhcp
                

5, Network Service Restart

[root@localhost Desktop]# service network restart # 重启网络服务
Shutting down interface eth0:                              [  OK  ]
Shutting down interface eth1:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:  Active connection state: activating
Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/9
state: activated
Connection activated
                                                           [  OK  ]

View network information

[root@localhost Desktop]# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:0C:29:B5:69:FC  
          inet addr:192.168.57.129  Bcast:192.168.57.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:feb5:69fc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:272 errors:0 dropped:0 overruns:0 frame:0
          TX packets:178 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:17170 (16.7 KiB)  TX bytes:14884 (14.5 KiB)

eth1      Link encap:Ethernet  HWaddr 00:0C:29:B5:69:06  
          inet6 addr: fe80::20c:29ff:feb5:6906/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:54 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 b)  TX bytes:17700 (17.2 KiB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:16 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:960 (960.0 b)  TX bytes:960 (960.0 b)

It found that the amendment is successful, completed

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END
2019-10-23 00:01:32