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+.. _Operations:
+
+BBSim Operations
+================
+
+If you are testing basic functionality using BBSim no operator intervention is required.
+
+When you ``enable`` the device in VOLTHA the simulator will:
+
+- activate all the configured ONUs
+- wait for the EAPOL flow for each ONU and trigger the authentication state machine as soon as it's received
+- wait for the DHCP flow for each ONU and trigger the DHCP state machine as soon as it's received
+
+Access bbsimctl
+---------------
+
+When running a test you can check the state of each ONU using :ref:`BBSimCtl`.
+
+The easiest way to use ``bbsimctl`` is to ``exec`` inside the ``bbsim`` container:
+
+.. code:: bash
+
+    kubectl exec -it -n voltha -f $(kubectl get pods -n voltha | grep bbsim | awk '{print $1}') bash
+
+Check the ONU Status
+--------------------
+
+.. code:: bash
+
+    $ bbsimctl onu list
+    PONPORTID    ID    PORTNO    SERIALNUMBER    HWADDRESS            STAG    CTAG    OPERSTATE    INTERNALSTATE
+    0            1     0         BBSM00000001    2e:60:70:13:00:01    900     900     up           dhcp_ack_received
+
+Advanced operations
+-------------------
+
+In certain cases you may want to execute operations on the BBSim ONUs.
+
+Here are the one currently supported, for more usage information use the following commands:
+
+.. code:: bash
+
+    $ bbsimctl onu --help
+    Usage:
+      bbsimctl [OPTIONS] onu <command>
+
+    Commands to query and manipulate ONU devices
+
+    Global Options:
+      -c, --config=FILE           Location of client config file [$BBSIMCTL_CONFIG]
+      -s, --server=SERVER:PORT    IP/Host and port of XOS
+      -d, --debug                 Enable debug mode
+
+    Help Options:
+      -h, --help                  Show this help message
+
+    Available commands:
+      auth_restart
+      dhcp_restart
+      get
+      list
+      poweron
+      shutdown
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