iperf does not reach full speed on fast network connection such as 40 Gbps or 100 Gbps
Issue
- iperf does not reach full speed on fast network connection such as 40 Gbps or 100 Gbps
- Testing with iperf seems to reach a bottleneck or speed limit below NIC speed
Environment
- Red Hat Enterprise Linux
- High speed network interface such as 40 Gbps or 100 Gbps
- Bandwidth test such as iperf or netperf
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