In vRealize Network Insight, you can view the VM-VM path and the VM to Internet path when the DVPG is connected to trunk vNIC of the NSX Edge and the sub interfaces are connected to VLAN or VXLAN.

Here is an example of VM-VM path through the NSX Edge:"" (null text)

Note: vRealize Network Insight does not support the underlay information for the trunk interfaces of the Edge VM.