This KB outlines best practice for configuring VCF Operations For Networks.
NOTE: VCF Operations for Networks was formerly named Aria Operations for Networks (AON), and prior to that was named vRealize Network Insight (vRNI).
VMware VCF Operations For Networks 6.x
When configuring VCF Operations For Networks, it is recommended to connect the Platform and Collector to a VLAN port group network. This ensures that the VCF Operations For Networks will continue to be available and accessible in the event of an outage within NSX.