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@@ -12,6 +12,13 @@ services on your local machine.
you need multiple interfaces, please use the :ref:`dummy-interface`
interface type.
+.. hint:: A lookback interface is always up, thus it could be used for
+ management traffic or as source/destination for and :abbr:`IGP (Interior
+ Gateway Protocol)` like :ref:`bgp` so your internal BGP link is not dependant
+ on physical link states and multiple routes can be choosen to the
+ destination. A :ref:`dummy-interface` Interface should always be preferred
+ over a :ref:`loopback-interface` interface.
+
Configuration
=============