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  • Microsoft Azure Advanced Networking with SR-IOV support (vSRX 3.0)—Starting in Junos OS Release 21.4R1, vSRX 3.0 supports the Azure Accelerated Networking (AAN) feature. AAN utilizes the Mellanox single-root I/O virtualization (SR-IOV) virtual function for high-speed networking. Microsoft Azure uses Mellanox ConnectX-3, ConnectX-4, and ConnectX-5 NICs to support AAN. However, vSRX 3.0 supports only ConnectX-4 and ConnectX-5 AAN.

    See Understand vSRX with Microsoft Azure Cloud and Enable Accelerated Networking for Replicated VMs.