def METHOD_NAME(self, validate=False, dry_run=False):
    """
    Updates instance's classic_link_enabled attribute
    :rtype: bool
    :return: self.classic_link_enabled after update has occurred.
    """
    self._get_status_then_update_vpc(
        self.connection.get_all_classic_link_vpcs,
        validate=validate,
        dry_run=dry_run
    )
    return self.classic_link_enabled