[environment configuration]

native: Windows10 virtual machine: Centos6 using VM12 software NAT mode network

[problem description]

after installing centos for the first time, you can find System eth0 in the following indication icon and click on network connection

, but after the restart, mark not shown in the picture have eth0

[problem solved]

change the DHCP setting of VMnet8 network card in the virtual network editor, set the maximum rental time, and change the number of days 0 to greater than 0.

[self-summary]

we have a deeper understanding of the network setup in DHCP mode of Linux network NAT mode, but we still have a vague idea of the reason why eth0 fails to connect after restarting. We are waiting for further study.