Virtual machine only IPV6, no IPv4

1. Modify the configuration file

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Device=eth0bootproto=Nonehwaddr=00:0C:29:20:CB:81ipv6init=Yesnm_controlled=yesonboot=yestype=ethernet#uuid="1ea05a64-a9b8-4093-a2c2-de7a9fa2add0"ipaddr=  10.10.1.19netmask=255.255.  252.0dns2=1.2.  4.8gateway=10.10.  0.1dns1=8.8.  8.8userctl=no                

Service Network restart

Error One:

Error:no suitable device Found:no device found for connection "System eth0"

Workaround:

1. Delete the/etc/udev/rules.d/70-persistent-net.rules file and restart the system.

2, if the above does not work, then to see the Ifcfg-eth0 file in the hwaddr is correct, changed to the correct hwaddr "Ifconfig view the correct hwaddr".

I was using these two methods to solve problems online.

Error Two:

Determining if IP address is already on use for device eth0

Solution:

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Modify method

Add arpcheck=no to the NIC configuration file

Virtual machine only IPV6, no IPv4