What is Intel Flow Director?
Issue
- What is Intel Flow Director?
- How does flow director affect the NICs and traffic?
- Why do I have
fdir_missandfdir_matchinethtool -S ethX? - What are "Application Targeted Receive" (ATR) and "Perfect Filter" (PF) receive modes on Intel network cards?
- What does
ethtool -K ethX ntuple [on|off]do to an Intel X520? - We need to disable the intel flow director "feature" on our Intel 10Gb NICs, we believe this option is causing network performance issues
Environment
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 6
- Intel 82598, 82599, X520, X540, X550 or other network interface card using
ixgbedriver
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