Windows guest no TCP network connectivity when running on hypervisor with 6.7 series kernel and Intel ixgbe based NIC

Solution Unverified - Updated -

Issue

  • When a Windows VM is running on a RHEL hypervisor (RHEV or plain KVM) using kernel 2.6.32-573.el6 or above and an Intel ixgbe-based NIC, TCP sessions to and from the Windows VM time out.

Environment

  • Red Hat Enterprise Linux 6.7
  • Red Hat Enterprise Virtualization
  • Windows VM
  • ixgbe module

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