def _set_dad_last_state(self, v, load=False):
    """
    Setter method for dad_last_state, mapped from YANG variable /brocade_firmware_rpc/dad_status/output/dad_last_state (enumeration)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_dad_last_state is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_dad_last_state() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'dad-in-progress': {'value': 0}, u'dad-failed': {'value': 1}, u'dad-completed': {'value': 2}},), is_leaf=True, yang_name="dad-last-state", rest_name="dad-last-state", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=False, extensions={u'tailf-common': {u'info': u'DHCP auto-deployment state'}}, namespace='urn:brocade.com:mgmt:brocade-firmware', defining_module='brocade-firmware', yang_type='enumeration', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """dad_last_state must be of a type compatible with enumeration""",
          'defined-type': "brocade-firmware:enumeration",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'dad-in-progress': {'value': 0}, u'dad-failed': {'value': 1}, u'dad-completed': {'value': 2}},), is_leaf=True, yang_name="dad-last-state", rest_name="dad-last-state", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=False, extensions={u'tailf-common': {u'info': u'DHCP auto-deployment state'}}, namespace='urn:brocade.com:mgmt:brocade-firmware', defining_module='brocade-firmware', yang_type='enumeration', is_config=True)""",
        })

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