Applying firmware version 7.8.21 for Broadcom Network controllers on HP Proliant servers stops all network connectivity

Solution Unverified - Updated -

Issue

  • Firmware update results in non-working network controller
  • After the firmware update, all network connectivity on the system is nonfunctional.

Environment

  • Red Hat Enterprise Linux (all versions)
  • HP Proliant servers with certain Broadcom network controllers.

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