code: def update_port_statuses_cfg(self, context, port_ids, status):
          
          self._l3plugin.update_router_port_statuses(context, port_ids,
                                                     status)
docs: Update the operational statuses of a list of router ports.
  
          This is called by the Cisco cfg agent to update the status of a list
          of ports.
  
          :param context: contains user information
          :param port_ids: list of ids of all the ports for the given status
          :param status: PORT_STATUS_ACTIVE/PORT_STATUS_DOWN.