Nvidia DGX B200 - Network Modules

NVIDIA DGX B200 User Guide
1.2.3. Network Modules
▶ New form factor for aggregate PCIe network devices
▶ Consolidates four ConnectX-7 networking cards into a single device
The DGX B200 system has eight ConnectX-7 network cards on two network module trays. Internal
DensiLink cables connect the dual-port OSFP interface to the individual ConnectX-7 network card.
Table 6: Network Modules
Port ConnectX Device Network Module/CPU GPU Default RDMA
OSFP1P1 CX0 1 7 ibp220s0 mlx5_11
OSFP1P2 CX1 1 4 ibp154s0 mlx5_6
OSFP2P1 CX2 1 6 ibp206s0 mlx5_10
OSFP2P2 CX3 1 5 ibp192s0 mlx5_9
OSFP3P1 CX2 0 2 ibp79s0 mlx5_4
OSFP3P2 CX3 0 1 ibp64s0 mlx5_3
OSFP4P1 CX0 0 3 ibp94s0 mlx5_5
OSFP4P2 CX1 0 0 ibp24s0 mlx5_0
1.2. Network Connections, Cables, and Adaptors 13