def _set_aggregate_ipv6_address(self, v, load=False):
    """
    Setter method for aggregate_ipv6_address, mapped from YANG variable /rbridge_id/router/router_bgp/address_family/ipv6/ipv6_unicast/af_ipv6_vrf/aggregate_ipv6_address (list)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_aggregate_ipv6_address is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_aggregate_ipv6_address() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=YANGListType("aggregate_ip_prefix",aggregate_ipv6_address.aggregate_ipv6_address, yang_name="aggregate-ipv6-address", rest_name="aggregate-address", parent=self, is_container='list', user_ordered=False, path_helper=self._path_helper, yang_keys='aggregate-ip-prefix', extensions={u'tailf-common': {u'info': u'Configure BGP aggregate entries', u'cli-no-key-completion': None, u'cli-suppress-mode': None, u'cli-suppress-list-no': None, u'callpoint': u'AfIpv6VrfAggregateAddress', u'cli-suppress-key-abbreviation': None, u'alt-name': u'aggregate-address'}}), is_container='list', yang_name="aggregate-ipv6-address", rest_name="aggregate-address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure BGP aggregate entries', u'cli-no-key-completion': None, u'cli-suppress-mode': None, u'cli-suppress-list-no': None, u'callpoint': u'AfIpv6VrfAggregateAddress', u'cli-suppress-key-abbreviation': None, u'alt-name': u'aggregate-address'}}, namespace='urn:brocade.com:mgmt:brocade-bgp', defining_module='brocade-bgp', yang_type='list', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """aggregate_ipv6_address must be of a type compatible with list""",
          'defined-type': "list",
          'generated-type': """YANGDynClass(base=YANGListType("aggregate_ip_prefix",aggregate_ipv6_address.aggregate_ipv6_address, yang_name="aggregate-ipv6-address", rest_name="aggregate-address", parent=self, is_container='list', user_ordered=False, path_helper=self._path_helper, yang_keys='aggregate-ip-prefix', extensions={u'tailf-common': {u'info': u'Configure BGP aggregate entries', u'cli-no-key-completion': None, u'cli-suppress-mode': None, u'cli-suppress-list-no': None, u'callpoint': u'AfIpv6VrfAggregateAddress', u'cli-suppress-key-abbreviation': None, u'alt-name': u'aggregate-address'}}), is_container='list', yang_name="aggregate-ipv6-address", rest_name="aggregate-address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure BGP aggregate entries', u'cli-no-key-completion': None, u'cli-suppress-mode': None, u'cli-suppress-list-no': None, u'callpoint': u'AfIpv6VrfAggregateAddress', u'cli-suppress-key-abbreviation': None, u'alt-name': u'aggregate-address'}}, namespace='urn:brocade.com:mgmt:brocade-bgp', defining_module='brocade-bgp', yang_type='list', is_config=True)""",
        })

    self.__aggregate_ipv6_address = t
    if hasattr(self, '_set'):
      self._set()