def METHOD_NAME(self, first_ip, total_routes, next_hop):
    ''' Adding static routes to bird config. '''
    cfg_creator = self._get_bird_cfg_with_current_config()
    cfg_creator.add_many_routes(first_ip, total_routes, next_hop)
    res = self.pybird.set_config(cfg_creator.build_config())
    print("Bird configuration result: %s" % res)