What are the recommendations for 10 Gigabit network adapter tuning parameters?

Solution Verified - Updated -

Issue

  • What are the recommendations for 10 Gigabit network adapter tuning parameters?
  • 10Gbit NIC with MTU of 9000. Testing using iperf between two systems only results in 6-7 gigabits/s transfer speed.
  • What are the expected and recommended tuning parameters to configure to achieve 10Gbps connection wirespeed for streaming bulk transfers?

Environment

  • Red Hat Enterprise Linux
  • 10 Gigabit Ethernet network interface adapters (10GbE)

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