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disable_multicast.rst

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Disabling multicast discovery

If all the peers are known and configured on the initial peer list beforehand, it is possible to disable the multicast meta traffic completely, as all :ref:`DomainParticipants<dds_layer_domainParticipant>` can communicate among them through unicast.

The complete description of the procedure to disable multicast discovery can be found at :ref:`transport_disableMulticast`. For convenience, however, this example shows how to disable all multicast traffic configuring one metatraffic unicast locator. Consideration should be given to the assignment of the ports in the metatrafficUnicastLocatorList, avoiding the assignment of ports that are not available or do not match the address-port listed in the :ref:`intial peers list<Simple Initial Peers>` of the peer participant.

C++ 
.. literalinclude:: /../code/DDSCodeTester.cpp
   :language: c++
   :start-after: //CONF_INITIAL_PEERS_METAUNICAST
   :end-before: //!--
   :dedent: 8
XML 
.. literalinclude:: /../code/XMLTester.xml
   :language: xml
   :start-after: <!-->CONF_INITIAL_PEERS_METAUNICAST<-->
   :end-before: <!--><-->
   :lines: 2-3,5-
   :append: </profiles>