Supermicro Advanced 25GbE Ethernet Controller Super I/O Module (SIOM)

25GbE SFP28 Specifications
• Ethernet
- 25GbE / 10GbE / 1GbE
- IEEE 802.3ad, 802.1AX Link Aggregation
- IEEE 802.1Q, 802.1P VLAN tags and priority
- IEEE 1588v2
- Jumbo frames support (9.6KB)
• Enhanced Features:
- Hardware-based reliable transport
- Collective operations offloads
- Vector collective operations offloads
- 64/66 encoding
- Dynamically Connected transport (DCT)
- Enhanced Atomic operations
- Support for MSI/MSI-X mechanisms
• Storage Offloads:
- RAID offload - erasure coding (Reed-Solomon) offload
• CPU Offload Features:
- RDMA over Converged Ethernet (RoCE)
- TCP/UDP/IP stateless offload
- LSO, LRO, checksum offload
- RSS (can be done on encapsulated packet), TSS,
HDS, VLAN insertion/stripping, Receive flow
steering
- Intelligent interrupt coalescence
• Overlay Networks:
- Stateless offloads for overlay networks and tunneling protocols
- Hardware offload of encapsulation and decapsulation of NVGRE
and VXLAN overlay networks
• Hardware-Based I/O Virtualization:
- Single Root IOV
- Multi-function per port
- Multiple queues per virtual machine
- VMware NetQueue support
• Virtualization:
- SR-IOV: Up to 256 Virtual Functions
- SR-IOV: Up to 16 Physical Functions per port
• Management Features:
- Remote boot over iSCSI
- PXE and UEFI
• OS Support:
- RHEL/CentOS
- Windows
- FreeBSD
- VMware