You can get the VMware explanation of NSX here: https://pubs.vmware.com/NSX-6/index.jsp#com.vmware.nsx.admin.doc/GUID-10944155-28FF-46AA-AF56-7357E2F20AF4.html
My question is does Zerto currently support NSX, and if so, are there any particular ‘gotchas’ or issues to be aware of?