code: def _gather_config_parms(self, is_provider_vlan, vlan_id):
          
          if is_provider_vlan:
              auto_create = cfg.CONF.ml2_cisco.provider_vlan_auto_create
              auto_trunk = cfg.CONF.ml2_cisco.provider_vlan_auto_trunk
          else:
              auto_create = True
              auto_trunk = True
          return auto_create, auto_trunk
docs: Collect auto_create, auto_trunk from config.