When the Delphix Engine coexists with other target host(s) (which will be hosting virtual databases (VDBs)) on the same ESX host, one approach is to have separate private network(s) between the Delphix Engine and the target host(s).
For more information Host Requirements please see Requirements
Configure new adapters for the VM.
use as port on new vSwitch with no external connection
Configure IPs on a reserved unused network. (ex 192.168.1.0 network)
Update /etc/hosts so that each host resolves this IP for the other host.