RED HAT VIRTUALIZATION HOSTS deploy

Hi all,
i've problem with RED HAT VIRTUALIZATION HOSTS deploying
i've download RHVH-4.2-20180622.0-RHVH-x86_64-dvd1.iso
from https://access.redhat.com/downloads/content/415/ver=4.2/rhel---7/4.2/x86_64/product-software

i'm try to install it on IBM PureFlex and faced with network problem
during setup, no problem, set date ip password and etc, server has ping, but after finish of installation after reboot, network not working.

Please advice how can i resolve this problem.

Purpose of this is to know what is better and is RedHat virtualization could absolutely replace vmware esxi or not.

Thanks in Advance for your help