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Document Neutron tenant network types configuration

Change-Id: Ifa275c1590426301dc0619968801fc1203e5959d
changes/28/430328/2
Elena Ezhova 2 years ago
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    using_calico_instead_of_ovs
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    ironic
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    known_issues
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+   neutron_configuration
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 Service plugins docs
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 --------------------

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+.. _neutron_configuration:
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+
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+=====================
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+Neutron Configuration
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+=====================
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+
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+This guide provides instructions on configuring Neutron with Fuel-CCP.
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+
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+Tenant network types
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+====================
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+
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+By default Neutron is configured to use VxLAN segmentation but it is possible
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+to specify other network types like VLAN or flat.
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+
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+To do so add the following lines to the ``configs.neutron`` section of the CCP
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+configuration file:
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+
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+::
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+
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+    ml2:
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+      tenant_network_types:
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+        - "vlan"
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+        - "vxlan"
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+
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+Here ``tenant_network_types`` is an ordered list of network types to allocate as
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+tenant networks. Enabling several network types allows creating networks with
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+``--provider:network_type`` equalling one of these types, if ``--provider:network_type``
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+is not specified then the first type from the ``tenant_network_types`` list will
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+be used.
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+
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+It is also possible to specify VxLAN VNI and VLAN ID ranges.
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+
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+VxLAN VNI ranges are configured in ``configs.neutron.ml2`` section with default range
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+being "1:1000".
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+
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+::
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+
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+    ml2:
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+      tenant_network_types:
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+        - "vxlan"
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+      vni_ranges:
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+        - "1000:5000"
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+
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+VLAN ranges are configured per each physical network in the ``configs.neutron.physnets`` section:
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+
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+::
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+
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+    physnets:
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+      - name: "physnet1"
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+        bridge_name: "br-ex"
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+        interface: "eno2"
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+        flat: false
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+        vlan_range: "1050:2050"
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+
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+For more information on configuring physical networks refer to the `QuickStart Guide`_.
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+
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+.. _QuickStart Guide: http://fuel-ccp.readthedocs.io/en/latest/quickstart.html

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