[Cake] inbound cake or fq_codel shaping fails on cable on netflix reno

Arie nospam at ariekanarie.nl
Sat Jul 21 13:36:02 EDT 2018


Unshaped reno attached.

On 21 July 2018 at 19:27, Dave Taht <dave.taht at gmail.com> wrote:

> Yours is not as horrific as mine in either case.
>
> Can you provide an unshaped result as well?
>
>
> On Sat, Jul 21, 2018 at 10:24 AM Arie <nospam at ariekanarie.nl> wrote:
> >
> > Two more data points. Shaped my connection to 250Mbit out of the
> advertised 250Mbit (my usual setting) and shaped to 200Mbit out of the
> 250Mbit. This is a pre-linux-net-next cake running on an Edgemax ER4 with
> kernel 3.10.107-UBNT.
> >
> > The regular spikes in ICMP ping is due to the crappy Puma 6 chipset in
> the cable modem. UDP is not affected.
> >
> > On 21 July 2018 at 19:20, Georgios Amanakis <gamanakis at gmail.com> wrote:
> >>
> >> On Sat, 2018-07-21 at 09:09 -0700, Dave Taht wrote:
> >> >
> >> > 1) Can someone else on a cablemodem (even without the latest cake,
> >> > this happens to me on older cake and fq_codel) try this test?
> >> >
> >>
> >> I just tried this on my cable comcast connection. I set ingress to ~80%
> >> of what fast.com reports when no shaper is in place.
> >>
> >> #tc qdisc add dev ens4 root handle 8011 cake bandwidth 16000kbit dual-
> >> dsthost docsis ingress
> >> #tc qdisc add dev ens3 root handle 8012 cake bandwidth 2500kbit dual-
> >> srchost nat docsis ack-filter
> >>
> >> I got the same result as you. This is using latest cake.
> >>
> >> Georgios
> >>
> >> _______________________________________________
> >> Cake mailing list
> >> Cake at lists.bufferbloat.net
> >> https://lists.bufferbloat.net/listinfo/cake
> >>
> >
> > _______________________________________________
> > Cake mailing list
> > Cake at lists.bufferbloat.net
> > https://lists.bufferbloat.net/listinfo/cake
>
>
>
> --
>
> Dave Täht
> CEO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-669-226-2619
>
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