def _set_source_ip(self, v, load=False):
    """
    Setter method for source_ip, mapped from YANG variable /ntp/source_ip (srcip_type)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_source_ip is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_source_ip() 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'chassis-ip': {'value': 1}, u'mm-ip': {'value': 2}},), default=unicode("mm-ip"), is_leaf=True, yang_name="source-ip", rest_name="source-ip", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure the source ip to be used for NTP', u'cli-full-command': None, u'callpoint': u'ntp_srcip_cp', u'sort-priority': u'33'}}, namespace='urn:brocade.com:mgmt:brocade-ntp', defining_module='brocade-ntp', yang_type='srcip_type', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """source_ip must be of a type compatible with srcip_type""",
          'defined-type': "brocade-ntp:srcip_type",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'chassis-ip': {'value': 1}, u'mm-ip': {'value': 2}},), default=unicode("mm-ip"), is_leaf=True, yang_name="source-ip", rest_name="source-ip", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure the source ip to be used for NTP', u'cli-full-command': None, u'callpoint': u'ntp_srcip_cp', u'sort-priority': u'33'}}, namespace='urn:brocade.com:mgmt:brocade-ntp', defining_module='brocade-ntp', yang_type='srcip_type', is_config=True)""",
        })

    self.__source_ip = t
    if hasattr(self, '_set'):
      self._set()
Setter method for source_ip, mapped from YANG variable /ntp/source_ip (srcip_type)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_source_ip is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_source_ip() directly.