How to make NetworkManager recognize the ETHTOOL_OPTS ifcfg file parameter with a dispatcher script

Solution Verified - Updated -

Issue

  • Is ETHTOOL_OPTS in ifcfg-eth* valid under NetworkManager service working?
  • ETHTOOL_OPTS option seems not to work with NeworkManager service.
  • How to pass ethtool command option when the system uses NetworkManager service.

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • NetworkManager

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