Downgrade without CLI reboot command (power cycle)

  1. Reboot with auto-100 mode configuration on Smart Rate port, the following events occur:
    1. The speed duplex status is shown blank when you execute the show interface brief command.
    2. The port status is displayed as down.
  2. Save the configuration and again reboot. The preconfigured auto-100 restores the Smart Rate port to auto mode, thus restoring its functionality.