Can the CX7 NIC with Ethernet mode interconnect with other 400G Ethernet switches that support RDMA?

CX7 network card can interconnect with other 400G Ethernet switches that support RDMA, but you need to pay attention to the following points.
Harry Collins

Harry Collins

Answered on 2:15 am

CX7 network card can interconnect with other 400G Ethernet switches that support RDMA, but you need to pay attention to the following points:

  • The switch and the network card need to use suitable cables and transceivers, such as OSFP or QSFP112.
  • The switch and the network card need to use the same rate and frame size, such as 400 Gb/s and 4 KB MTU.
  • The switch and the network card need to configure the same RoCE v2 parameters, such as priority, flow control, congestion control, etc.
  • The switch and the network card need to ensure the stability and reliability of the network and avoid packet loss or retransmission that causes performance degradation.

 

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