Add ipv6 for share network admin doc
Added ipv6 config opt in share network admin doc.
Closes-Bug:
@@ -84,3 +84,13 @@ Shared File Systems service:
of network - flat and segmented. As above, it is completely up to the
share driver to support the network type for which the network plug-in is
configured.
+
+.. note::
+
+ The ip version of the share network is defined by the flags of
+ ``network_plugin_ipv4_enabled`` and ``network_plugin_ipv6_enabled`` in the
+ ``manila.conf`` configuration since Pike. The ``network_plugin_ipv4_enabled``
+ default value is set to True. The ``network_plugin_ipv6_enabled`` default value is
+ set to False. If ``network_plugin_ipv6_enabled`` option is True, the value of
+ ``network_plugin_ipv4_enabled`` will be ignored, it means to support both IPv4 and
+ IPv6 share network.
