.. _pcep-user-guide-running-pcep:

Running PCEP
============
This section explains how to install PCEP plugin.

1. Install PCEP feature - ``odl-bgpcep-pcep``.
   Also, for sake of this sample, it is required to install RESTCONF.
   In the Karaf console, type command:

   .. code-block:: console

      feature:install odl-restconf odl-bgpcep-pcep

2. The PCEP plugin contains a default configuration, which is applied after the feature starts up.
   One instance of PCEP plugin is created (named *pcep-topology*), and its presence can be verified via REST:

   **URL:** ``restconf/operational/network-topology:network-topology/topology/pcep-topology``

   **RFC8040 URL:** ``rests/data/network-topology:network-topology/topology=pcep-topology?content=nonconfig``

   **Method:** ``GET``

   .. tabs::

      .. tab:: XML

         **Response Body:**

         .. code-block:: xml

            <topology xmlns="urn:TBD:params:xml:ns:yang:network-topology">
                <topology-id>pcep-topology</topology-id>
                <topology-types>
                    <topology-pcep xmlns="urn:opendaylight:params:xml:ns:yang:topology:pcep"></topology-pcep>
                </topology-types>
            </topology>

      .. tab:: JSON

         **Response Body:**

         .. code-block:: json

            {
                "topology": [
                    {
                        "topology-id": "pcep-topology",
                        "topology-types": {
                            "network-topology-pcep:topology-pcep": {}
                        }
                    }
                ]
            }