def _unset_cluster_id_ipv4_address(self):
    self.__cluster_id_ipv4_address = YANGDynClass(base=RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(%[\\p{N}\\p{L}]+)?'}), is_leaf=True, yang_name='cluster-id-ipv4-address', rest_name='ipv4-address', parent=self, choice=(u'ch-cluster-id', u'ca-cluster-id-ipv4-address'), path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Route-Reflector Cluster-ID as IP address', u'alt-name': u'ipv4-address'}}, namespace='urn:brocade.com:mgmt:brocade-bgp', defining_module='brocade-bgp', yang_type='inet:ipv4-address', is_config=True)
def _unset_cluster_id_ipv4_address(self):
    self.__cluster_id_ipv4_address = YANGDynClass(base=RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(%[\\p{N}\\p{L}]+)?'}), is_leaf=True, yang_name='cluster-id-ipv4-address', rest_name='ipv4-address', parent=self, choice=(u'ch-cluster-id', u'ca-cluster-id-ipv4-address'), path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Route-Reflector Cluster-ID as IP address', u'alt-name': u'ipv4-address'}}, namespace='urn:brocade.com:mgmt:brocade-bgp', defining_module='brocade-bgp', yang_type='inet:ipv4-address', is_config=True)