def _set_designated_forwarder_hold_time(self, v, load=False):
    """
    Setter method for designated_forwarder_hold_time, mapped from YANG variable /cluster/designated_forwarder_hold_time (uint16)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_designated_forwarder_hold_time is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_designated_forwarder_hold_time() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=RestrictedClassType(base_type=int, restriction_dict={'range': ['0..65535']},int_size=16), restriction_dict={'range': [u'1..60']}), is_leaf=True, yang_name="designated-forwarder-hold-time", rest_name="designated-forwarder-hold-time", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Time in seconds to wait before electing a designated forwarder (Range:<1-60>, default:3)', u'cli-suppress-show-conf-path': None, u'cli-suppress-show-match': None}}, namespace='urn:brocade.com:mgmt:brocade-mct', defining_module='brocade-mct', yang_type='uint16', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """designated_forwarder_hold_time must be of a type compatible with uint16""",
          'defined-type': "uint16",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=int, restriction_dict={'range': ['0..65535']},int_size=16), restriction_dict={'range': [u'1..60']}), is_leaf=True, yang_name="designated-forwarder-hold-time", rest_name="designated-forwarder-hold-time", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Time in seconds to wait before electing a designated forwarder (Range:<1-60>, default:3)', u'cli-suppress-show-conf-path': None, u'cli-suppress-show-match': None}}, namespace='urn:brocade.com:mgmt:brocade-mct', defining_module='brocade-mct', yang_type='uint16', is_config=True)""",
        })

    self.__designated_forwarder_hold_time = t
    if hasattr(self, '_set'):
      self._set()