[DOCS] Clarify variable usage in global_overrides

Change-Id: I2a69e16376e01493e65738d7a41903b54f5fb3a5
Closes-bug: #1596572
This commit is contained in:
Alexandra 2016-07-12 16:15:19 +01:00 committed by Alexandra Settle
parent 38e7baba21
commit 9427a99c11

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@ -94,6 +94,14 @@ configure target host networking.
Replace ``TUNNEL_BRIDGE`` with the tunnel/overlay bridge device
name, typically ``br-vxlan``.
.. note::
Only use ``global_overrides`` for networking overrides.
Edit all other variable overrides in ``user_variables.yml``.
``global_overrides`` are not removed from ``inventory.json``
and can conflict.
#. Configure the management network in the ``provider_networks`` subsection:
.. code-block:: yaml