def configBgpAsSetMode(self, routerId, asSetMode):
        """
        Description
            Configure BGP Route Range AS Path: AS # Set Mode. This API will change all
            indexes to the specified asSetMode
            Note: In GUI, under Route Range, BGP IP Route Range.

        Parameters
            asSetMode:
                Options: "dontincludelocalas",
                         "includelocalasasasseq",
                         "includelocalasasasset",
                         "includelocalasasasseqconfederation",
                         "includelocalasasassetconfederation",
                         "prependlocalastofirstsegment"
        """
        deviceGroupObj = self.getDeviceGroupByRouterId(routerId=routerId)
        if deviceGroupObj == 0:
            raise IxNetRestApiException('No Device Group found for router ID: %s' % routerId)

        queryData = {'from': deviceGroupObj,
                    'nodes': [{'node': 'networkGroup',    'properties': [], 'where': []},
                              {'node': 'ipv4PrefixPools', 'properties': [], 'where': []},
                              {'node': 'bgpIPRouteProperty', 'properties': [], 'where': []}]
                    }
        queryResponse = self.ixnObj.query(data=queryData)
        bgpStack = queryResponse.json()['result'][0]['networkGroup'][0]['ipv4PrefixPools'][0]['bgpIPRouteProperty']
        if bgpStack == []:
            return IxNetRestApiException('No ipv4PrefixPools bgpIPRouteProperty object found.')

        bgpRouteObj = bgpStack[0]['href']
        response = self.ixnObj.get(self.ixnObj.httpHeader+bgpRouteObj)        
        asSetModeMultivalue = response.json()['asSetMode']
        count = response.json()['count']
        newList = [asSetMode for counter in range(0,count)]
        self.ixnObj.configMultivalue(asSetModeMultivalue, 'valueList', {'values': newList})