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