Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-29 Thread Aaron Wood
On Sun, Mar 29, 2020 at 12:58 PM Dave Taht wrote: > I just finished doing my first openwrt build in a couple years. (with > AQL) Trying to summon up the moxie to try it. Found my soldiering iron > and usb to serial interfaces > That's kept me from rolling my own... I have the interfaces,

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-29 Thread Dave Taht
I just finished doing my first openwrt build in a couple years. (with AQL) Trying to summon up the moxie to try it. Found my soldiering iron and usb to serial interfaces On Wed, Mar 25, 2020 at 8:58 AM Aaron Wood wrote: > > One other thought I've had with this, is that the apu2 is

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-28 Thread Aaron Wood
On Wed, Mar 25, 2020 at 12:18 PM Dave Taht wrote: > On Wed, Mar 25, 2020 at 8:58 AM Aaron Wood wrote: > > > > One other thought I've had with this, is that the apu2 is multi-core, > and the i210 is multi-queue. > > > > Cake/htb aren't, iirc, setup to run on multiple cores (as the rate >

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Dave Taht
On Wed, Mar 25, 2020 at 8:58 AM Aaron Wood wrote: > > One other thought I've had with this, is that the apu2 is multi-core, and the > i210 is multi-queue. > > Cake/htb aren't, iirc, setup to run on multiple cores (as the rate limiters > then don't talk to each other). But with the correct

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Jim Gettys
Birdies have told me that it is possible for DOCSIS 3.1 modems to be running in 3.0 mode. Bitch at your ISP. - Jim On Wed, Mar 25, 2020 at 1:01 AM Aaron Wood wrote: > I recently upgraded service from 150up, 10dn Mbps to xfinity's gigabit > (with

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Aaron Wood
One other thought I've had with this, is that the apu2 is multi-core, and the i210 is multi-queue. Cake/htb aren't, iirc, setup to run on multiple cores (as the rate limiters then don't talk to each other). But with the correct tuple hashing in the i210, I _should_ be able to split things and do

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Aaron Wood
On Tue, Mar 24, 2020 at 11:19 PM Sebastian Moeller wrote: > So, for higher bandwidth plans people started using raspberry pi4bs with > an additional usb3 Ethernet dongle. Its WiFi is not really up for the task > but it does seem to make a mean wired only router, the quad A76 cores seem > to be

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Aaron Wood
> > >>> 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. > >> > >> I think that while PIE is "mandatory to implement" in DOCSIS 3.1, the >

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Toke Høiland-Jørgensen
Sebastian Moeller writes: > Hi Toke, > > >> On Mar 25, 2020, at 09:58, Toke Høiland-Jørgensen wrote: >> >> Aaron Wood writes: >> >>> 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. >>> >>>

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Toke Høiland-Jørgensen
Aaron Wood writes: > 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;

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Sebastian Moeller
Hi Toke, > On Mar 25, 2020, at 09:58, Toke Høiland-Jørgensen wrote: > > Aaron Wood writes: > >> 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: >>

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-25 Thread Sebastian Moeller
So, for higher bandwidth plans people started using raspberry pi4bs with an additional usb3 Ethernet dongle. Its WiFi is not really up for the task but it does seem to make a mean wired only router, the quad A76 cores seem to be capable to reliably shape up to 1 gigabit with cpu cycles to

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-24 Thread Matt Taggart
On 3/24/20 10:01 PM, Aaron Wood wrote: [snip] 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:

Re: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-24 Thread 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 wrote: > I recently upgraded service from 150up, 10dn Mbps to xfinity's gigabit > (with 35Mbps

[Bloat] Still seeing bloat with a DOCSIS 3.1 modem

2020-03-24 Thread Aaron Wood
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