[Bloat] Still seeing bloat with a DOCSIS 3.1 modem

[Aaron Wood]

(hit send early, somehow)...

Although this thread makes we wonder if perhaps not:
https://lists.bufferbloat.net/pipermail/cake/2018-August/004285.html



On Tue, Mar 24, 2020 at 10:01 PM Aaron Wood <woody77 at gmail.com> wrote:

> I recently upgraded service from 150up, 10dn Mbps to xfinity's gigabit
> (with 35Mbps up) tier, and picked up a DOCSIS 3.1 modem to go with it.
>
> Flent test results are here:
>
> https://burntchrome.blogspot.com/2020/03/bufferbloat-with-comcast-gigabit-with.html
>
> tl/dr;  1000ms of upstream bufferbloat
>
> But it's DOCSIS 3.1, so why isn't PIE working?  Theory:  It's in DOCSIS
> 3.0 upstream mode based on the status LEDs.  Hopefully it will go away if I
> can convince it to run in DOCSIS 3.1 mode.
>
> At the moment, however, my WRT1900AC isn't up to the task of dealing with
> these sorts of downstream rates.
>
> So I'm looking at the apu2, which from this post:
>
> https://forum.openwrt.org/t/comparative-throughput-testing-including-nat-sqm-wireguard-and-openvpn/44724
>
> Will certainly get most of the way there.
>
> Although
>
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