I have installed ovirt engine (version 4) on Centos 7.2 in one server system and 1 ovirt node (version 4) using ovirt node iso in another system. But when am adding the node in the engine from web portal, the installation is failing on the node. There is no Internet connectivity to the node. When I checked the logs, I found that it is trying to connect to a repo using yum. My questions are: