High level steps from manual:
FortiGate-VMX Service Manager registers the Fortinet security service with NSX Manager (FortiGate-VMX):
l The registration process uses the NetX management plane API to enable bi-directional communication between the FortiGate-VMX Service Manager and the NSX Manager.
Auto-deploy FortiGate-VMX to all hosts in designated cluster(s):
l The NSX Manager collects the FortiGate-VMX image from the URL specified during registration and installs an instance of FortiGate-VMX on each ESXi host in the designated cluster(s).
FortiGate-VMX Security Node connects with FortiGate-VMX Service Manager:
l The FortiGate-VMX Security Node initiates a connection to the FortiGate-VMX Service Manager to register and obtain its license.
License verification and configuration synchronization with FortiGate-VMX:
l FortiGate-VMX Service Manager verifies the serial number and synchronizes configuration and policy.
Redirection policy rules updated for enablement of FortiGate-VMX security service:
l For all objects secured in the cluster ,a policy redirecting all,or specific traffic to FortiGate-VMX is ready.
Real-time updates of object database:
l The NSX Manager sends real-time updates on the changes in the virtual environment to the FortiGate-VMX Service Manager.
FortiGate-VMX Service Manager dynamically synchronizes object database and policy to all FortiGate-VMX Security Nodes deployed in cluster.
http://docs.fortinet.com/d/fortigate-vmx-install-v.2
