(e.g., Dv2, Dv3, F-series). This feature reduces latency and CPU overhead by utilizing SR-IOV. 2. Recommended Azure VM Families
Azure limits the number of NICs based on the VM size. If your design requires separate management, sync, and multiple traffic interfaces, you must select an instance size that supports at least 4 NICs. FortiGate VM on Microsoft Azure Data Sheet - Fortinet
High-performance instances (e.g., Standard_F2 , Standard_F4 ) are often preferred for firewall workloads because they offer a high CPU-to-NIC ratio and strong compute power for packet inspection.
