Loss of network connectivity with ixgbe driver on mode 4 bonding

Solution Verified - Updated -

Issue

Using the ixgbe driver on two interfaces bonded mode 4, on kernel level 2.6.18-238.12.1.el5 network connectivity is lost shortly after bootup. Interfaces show as connected but are not functioning - Connectivity is lost until a reboot. Previous kernel level, 2.6.18-238.9.1.el5 does not exhibit the problem.

Environment

  • Red Hat Enterprise Linux 5.6
  • Kernel 2.6.18-238.12.1.el5
  • ixgbe interfaces bonded with mode 4

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