src/test/setup/olt_config.json

{ "olt" : false,
  "uplink" : 2,
  "vlan" : 0,
  "port_map" : { "num_ports" : 11, "start_vlan" : 1000, "nr_switches": 1 },
  "vcpe" :
      [
        {
          "port" : "fabric", "s_tag" : 222, "c_tag" : 111
        }
      ]
}