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Add a troubleshooting entry for vacuum timeouts #463

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Jan 21, 2019
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Add a troubleshooting entry for vacuum timeouts #463

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17 changes: 17 additions & 0 deletions docs/troubleshooting.rst
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Expand Up @@ -35,3 +35,20 @@ If you're in control of the router in between, then you have one more chance to
.. note::

Read more about `Network address translation on Wikipedia <https://en.wikipedia.org/wiki/Network_address_translation>`_.


Intermittent connection issues, timeouts (Xiaomi Vacuum)
--------------------------------------------------------

Blocking the network access from vacuums is known to cause connectivity problems, presenting themselves as connection timeouts (discussed in `this github issue </~https://github.com/rytilahti/python-miio/issues/92>`_):

.. code-block:: text

mirobo.device.DeviceException: Unable to discover the device x.x.x.x

The root cause lies in the software running on the device, which will hang when it is unable to receive responses.
The connectivity will get restored by device's internal watchdog restarting the service (``miio_client``).

.. hint::

If you want to keep your device out from the Internet, use REJECT instead of DROP in your firewall confinguration.