Introduction to the NVIDIA DGX-2 System
DGX-2 System User Guide
12
ID Connectivity Uses
Number of
Port Type Cable Type
or SFP+)
4 ConnectX-5
InfiniBand mode
Ethernet mode
Clustering
Storage
8
QSFP28
InfiniBand EDR
100
Ethernet 100GbE
RECOMMENDED PORTS TO USE FOR EXTERNAL
STORAGE
For clarity, the following figure reiterates the recommended ports to use for external
storage. In most configurations, the storage ports (ID 1 below) should be used for
connecting to high-speed NAS storage, while the cluster ports (ID 2 below) should be
used for communication between nodes.
ID Connectivity Uses Number of
Port
Cable Type
1 ConnectX-5 (LP)
Storage (NFS)
2
(Left):
enp134s0f0
(Right):
QSFP28 1/10/25/40/100 GbE
2 ConnectX-5
InfiniBand mode
Ethernet mode
Cluster
8
QSFP28
EDR InfiniBand or 100
GbE