This is the Create MySQL HeatWave dialog's Networking tab. The substeps following the image have information about each field. The field Virtual network is required. Hostname, Database system IP address, Network virtual appliance, and OCI CIDR are optional. Use the button at the end of the page to get to the next tab, which is Security. Use the Review + create button when you have filled all the required fields on all the tabs - the dialog will tell you if you missed any.