Article ID: 000088849 Content Type: Connectivity Last Reviewed: 08/11/2023

Network Performance Issue in E810-CQDA2 with M50CYP2UR Family Board


Steps to solve the performance issue in E810-CQDA2 adapter for CentOs*


Bandwidth throughput is not achieving more than 8Gbps in 100G cards

  1. Check Non-Volatile Memory (NVM) is latest, if not update to Latest Version.
  2. Update Ice driver to latest version, download this Linux* driver package, and update it.
    1. To update driver: (readme file has detailed instructions)
      $ rpmbuild -tb ice-1.6.7.tar.gz
    2. This will create an rpm file. You can find the rpm file location in the last few lines of the command output.
      $ rpm -Uvh /root/rpmbuild/RPMS/x8664/ice-1.6.7-1.x86_64.rpm.
    3. reboot the system
      $ reboot
    4. verify that the driver is updated using below command.
      $ ethtool -i ethX (network port name)

    Once the Ice Driver and NVM driver are latest, follow the below steps

  3. Check if VT-d is enabled in BIOS
  4. Check if DDP package is loaded properly. Run this command to check the DDP : $ dmesg | grep DDP
Additional information

Refer Linux* performance tuning document to know information about this tuning process.

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This article applies to 230 products

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