Feature Description
Protocol MAC Rate
IEEE 802.3ap
Based on auto-negotiation and KR
startup
IEEE 802.3ad
IEEE 802.1AX
Link Aggregation
IEEE 802.1Q
IEEE 802.1P VLAN tags and
priority
IEEE 802.1Qau (QCN)
Congestion Notification
IEEE 802.1Qaz (ETS)
EEE 802.1Qbb (PFC)
IEEE 802.1Qbg
IEEE 1588v2
IEEE 802.1AE
Jumbo frame support (9.6KB)
On-board
Memory
Quad SPI NOR FLASH - includes 256Mbit for Firmware image.
UVPS EEPROM - includes 1Mbit.
FRU EEPROM - Stores the parameters and personality of the card.
The EEPROM capacity is 128Kbit. FRU I2C address is (0x50) and is
accessible through the PCIe SMBus.
eMMC - x8 NAND flash (memory size might vary on different DPUs)
for Arm boot, OS, and disk space.
DDR4 SDRAM - 16GB/32GB @3200MT/s single-channel DDR4
SDRAM memory. Solder down on board. 64bit + 8bit ECC.
BlueField-2
DPU
The NVIDIA BlueField-2 DPU integrates eight 64-bit Armv8 A72 cores
interconnected by a coherent mesh network, one DRAM controller, and
an RDMA intelligent network adapter supporting up to 200Gb/s, an
embedded PCIe switch with endpoint and root complex functionality,
and up to 16 lanes of PCIe Gen 3.0/4.0.
Overlay
Networks
To better scale their networks, data center operators often create
overlay networks that carry traffic from individual virtual machines over
logical tunnels in encapsulated formats such as NVGRE and VXLAN.
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