added the smart qos, did ping and test, below are results:
Reply from 8.8.8.8: bytes=32 time=35ms TTL=44
Reply from 8.8.8.8: bytes=32 time=32ms TTL=44
Reply from 8.8.8.8: bytes=32 time=32ms TTL=44
Reply from 8.8.8.8: bytes=32 time=33ms TTL=44
Reply from 8.8.8.8: bytes=32 time=163ms TTL=44
Reply from 8.8.8.8: bytes=32 time=178ms TTL=44
Reply from 8.8.8.8: bytes=32 time=225ms TTL=44
Reply from 8.8.8.8: bytes=32 time=319ms TTL=44
Reply from 8.8.8.8: bytes=32 time=291ms TTL=44
Reply from 8.8.8.8: bytes=32 time=334ms TTL=44
Reply from 8.8.8.8: bytes=32 time=385ms TTL=44
Reply from 8.8.8.8: bytes=32 time=480ms TTL=44
Reply from 8.8.8.8: bytes=32 time=586ms TTL=44
Reply from 8.8.8.8: bytes=32 time=781ms TTL=44
Reply from 8.8.8.8: bytes=32 time=994ms TTL=44
Reply from 8.8.8.8: bytes=32 time=1244ms TTL=44
Reply from 8.8.8.8: bytes=32 time=1502ms TTL=44
Reply from 8.8.8.8: bytes=32 time=1275ms TTL=44
Reply from 8.8.8.8: bytes=32 time=461ms TTL=44
Reply from 8.8.8.8: bytes=32 time=34ms TTL=44
Reply from 8.8.8.8: bytes=32 time=37ms TTL=44
Reply from 8.8.8.8: bytes=32 time=43ms TTL=44
Reply from 8.8.8.8: bytes=32 time=37ms TTL=44
Reply from 8.8.8.8: bytes=32 time=37ms TTL=44
Reply from 8.8.8.8: bytes=32 time=37ms TTL=44
Reply from 8.8.8.8: bytes=32 time=38ms TTL=44
Reply from 8.8.8.8: bytes=32 time=39ms TTL=44
Reply from 8.8.8.8: bytes=32 time=39ms TTL=44
Reply from 8.8.8.8: bytes=32 time=33ms TTL=44
Reply from 8.8.8.8: bytes=32 time=36ms TTL=44
Reply from 8.8.8.8: bytes=32 time=37ms TTL=44
Reply from 8.8.8.8: bytes=32 time=35ms TTL=44
Reply from 8.8.8.8: bytes=32 time=38ms TTL=44
Reply from 8.8.8.8: bytes=32 time=38ms TTL=44
Ping statistics for 8.8.8.8:
Packets: Sent = 40, Received = 40, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 32ms, Maximum = 1502ms, Average = 252ms
edit:
ping: 26 D/L: 11.73 U/L: 1.65
the BOLDED results are when the download was taking place, upload did not seem to have an effect on ping results.