82578DM NIC links up as 10M-Half in spite of set to 10M-Full

Solution Verified - Updated -

Issue

82578DM NIC links up as 10M-Half in spite of set to 10M-Full with ethtool.

Environment

  • Red Hat Enterprise Linux 5.4

  • kernel-2.6.18-155.el5

  • i386 and x86_64
  • Intel 82578DM

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