Re: [Cerowrt-devel] linksys 1200ac lockout problem still exists

Hi Dave, when I use tcp_12down instead of tcp_ndown I end up with something looking sane (see attached image?) Also: Summary of tcp_12down test run at 2016-11-20 20:16:54.350770: avg / median # data pts Ping (ms) ICMP :54.08 /53.75

Re: [Cerowrt-devel] linksys 1200ac lockout problem still exists

:36, Dave Taht <dave.t...@gmail.com> wrote: > > this a to-the-router test, not a through the router test. > > On Sun, Nov 20, 2016 at 12:32 PM, Toke Høiland-Jørgensen <t...@toke.dk> wrote: >> Sebastian Moeller <moell...@gmx.de> writes: >> >>> H

Re: [Cerowrt-devel] linksys 1200ac lockout problem still exists

Hi Dave, > On Nov 20, 2016, at 20:30, Dave Taht wrote: > > Has the omnia got this problem? Not sure, following your recipe from the LEDE bug, I attempted: bash-3.2$ ./run-flent -H netperf-eu.bufferbloat.net –test-parameter=download_streams=12 tcp_ndown Fatal error:

Re: [Cerowrt-devel] Fwd: The 2017 Mirai

There also is the Mitsubishi pajero competing for the crown of unfortunate names (see https://en.wikipedia.org/wiki/Mitsubishi_Pajero for alternative meanings of pajero besides giving a nod to Leopardus pajeros the pampas cat). I guess the Toyota and the Mitsubishe comnpete in different

Re: [Cerowrt-devel] [Bloat] sqm deployment

Question: does anybody know what hides behind eero's sqm name? Best Regards Sebastian On June 15, 2018 8:03:33 PM GMT+02:00, Dave Taht wrote: >I didn't know streamboost was still a thing. > >https://www.snbforums.com/threads/list-of-smart-queue-management-sqm-routers.47183/ > >And I

Re: [Cerowrt-devel] Invisibility of bufferbloat and its remedies

Well, On June 19, 2018 10:34:07 PM GMT+02:00, valdis.kletni...@vt.edu wrote: >On Mon, 18 Jun 2018 18:46:18 -0700, Dave Taht said: > >> One of cake's "minor" features is the *perfect* defeat of the htb >> based shaper in cable modems. If you know the set-rate on the modem, >> you just set it to

Re: [Cerowrt-devel] [Bloat] Invisibility of bufferbloat and its remedies

On June 20, 2018 1:41:19 AM GMT+02:00, Jonathan Morton wrote: >> On 19 Jun, 2018, at 11:34 pm, valdis.kletni...@vt.edu wrote: >> >> Do we have a good cookbook on how to determine the set-rate? > >On DSL, the sync rates in each direction should usually be readable >from the modem; they are

[Cerowrt-devel] (no subject)

Hi all, > On Jun 20, 2018, at 01:32, Sebastian Moeller wrote: > > Well, > > On June 19, 2018 10:34:07 PM GMT+02:00, valdis.kletni...@vt.edu wrote: >> On Mon, 18 Jun 2018 18:46:18 -0700, Dave Taht said: >> >>> One of cake's "minor" features is th

Re: [Cerowrt-devel] [Bloat] Invisibility of bufferbloat and its remedies

Hi Kevin, > On Jun 20, 2018, at 09:12, Kevin Darbyshire-Bryant > wrote: > > > >> On 20 Jun 2018, at 00:41, Jonathan Morton wrote: >> >>> On 19 Jun, 2018, at 11:34 pm, valdis.kletni...@vt.edu wrote: >>> >>> Do we have a good cookbook on how to determine the set-rate? >> >> On DSL, the

Re: [Cerowrt-devel] [Bloat] Invisibility of bufferbloat and its remedies

Hi Kevin, > On Jun 20, 2018, at 11:15, Kevin Darbyshire-Bryant > wrote: > > > >> On 20 Jun 2018, at 09:07, Sebastian Moeller wrote: >> >> Hi Kevin, >> >> >>> On Jun 20, 2018, at 09:12, Kevin Darbyshire-Bryant >>> wrote

Re: [Cerowrt-devel] [Bloat] beating the drum for BQL

Hi Mikael, > On Aug 23, 2018, at 14:47, Mikael Abrahamsson wrote: > > On Wed, 22 Aug 2018, Dave Taht wrote: > >> I/we really should have beat the bql drum harder over the last 6 years. It's >> the basic start to all the debloating. > > It only helps with kernel based forwarding. A lot of

Re: [Cerowrt-devel] [Cake] inbound cake or fq_codel shaping fails on cable on netflix reno

I believe that cable modems all default to 192.168.100.1, this seems to be backed by "Cable Modem Operations Support System Interface Specification", CM-SP-CM-OSSIv3.1-I04-150611: " • The CM MUST support 192.168.100.1, as the well-known diagnostic IP address accessible only from the CMCI

Re: [Cerowrt-devel] wifi trick with comcast

Desar All, > On Oct 10, 2018, at 00:22, Jonathan Morton wrote: > >> On 10 Oct, 2018, at 1:06 am, valdis.kletni...@vt.edu wrote: >> >> Wonder what happens if/when the neighbor notices... > > I don't think any neighbour is involved here. He's using his own xfinitywifi > hotspot in parallel

Re: [Cerowrt-devel] security guidelines for home routers

Hi Mikael, > On Nov 27, 2018, at 12:03, Mikael Abrahamsson wrote: > > On Mon, 26 Nov 2018, Sebastian Moeller wrote: > >> I guess that most cheap routers do not actually do "secure boot" but rather >> make it hard to flash not-approved firmware binaries fro

Re: [Cerowrt-devel] security guidelines for home routers

Hi Mikael, > On Nov 27, 2018, at 14:34, Mikael Abrahamsson wrote: > > On Tue, 27 Nov 2018, Sebastian Moeller wrote: > >> Really, which ones? I would like to know so I can avoid them ;) Just >> joking, but I have never heard of secure booting in the context o

Re: [Cerowrt-devel] security guidelines for home routers

Hi Dave, neither the openwrt folks (see https://openwrt.org) nor the chaos computer club of germany (see German: https://www.ccc.de/en/updates/2018/risikorouter, machinenglish:

Re: [Cerowrt-devel] security guidelines for home routers

Hi Dave, > On Nov 26, 2018, at 19:40, Dave Taht wrote: > > On Mon, Nov 26, 2018 at 10:24 AM Sebastian Moeller wrote: >> >> Hi Dave, >> >> >> neither the openwrt folks (see https://openwrt.org) nor the chaos computer >> club of germany (see G

Re: [Cerowrt-devel] I so love seeing stuff like this

> On Feb 2, 2019, at 11:36, Toke Høiland-Jørgensen wrote: > > David Lang writes: > >> On Sat, 2 Feb 2019, Mikael Abrahamsson wrote: >> >>> On Fri, 1 Feb 2019, David Lang wrote: >>> I had high hopes for these, but the driver development is not working well, it's one guy at

Re: [Cerowrt-devel] fixing dsl redux

Hi Dave, On April 9, 2019 5:42:46 PM GMT+02:00, Dave Taht wrote: >these chips are apparentlt common these days... anyone have one? Not yet, there is a grx350 modem-router available heret personally I would prefer the 550, which comes with >= 2 x86 (atom, are they still called that?) Cores.

Re: [Cerowrt-devel] [Bloat] (no subject)

ance bound on devices to be useful for David's idea, the CPU(s) need to be beefy enough to both shape at Gbps speeds as well as actually generate enough traffic to saturate the link Again thanks a lot for sharing! Best Regards Sebastian > > Best regards, > > Jona

Re: [Cerowrt-devel] Internet Speed Measurement: Current Challenges and Future Recommendations

eeds. >>> I do wish the document had pointed out more clearly that router based >>> measurements have problems also, with weaker cpus unable to source >>> enough traffic for an accurate measurement, but I do hope this >>> document has impact, and it's a good read, regardless.

[Cerowrt-devel] (no subject)

Hi All, I believe the following to be relevant to this discussion: https://apenwarr.ca/log/20180808 Where he discusses a similar idea including implementation albeit aimed at lower bandwidth and sans the automatic bandwidth tracking. > On May 15, 2019, at 01:34, David P. Reed wrote: > > >

Re: [Cerowrt-devel] [Bloat] (no subject)

running on a docsis modem, same seems true for GPON). Best Regards Sebastian > > On Wed, May 15, 2019 at 9:32 AM Sebastian Moeller wrote: >> >> Hi All, >> >> >> I believe the following to be relevant to this discussion: >> https://ap

Re: [Cerowrt-devel] [Bloat] talking at linux plumbers in portugal next week

Not sure this is on-topic, but: https://www.prnewswire.com/news-releases/root-cause-analysis-and-incident-report-on-the-august-ddos-attack-300905405.html https://lists.gt.net/nanog/users/206044 > On Sep 3, 2019, at 16:21, Dave Taht wrote: > > On Tue, Sep 3, 2019 at 5:23 AM Mikael Abrahamsson

Re: [Cerowrt-devel] [Bloat] Ubiquiti Launches a Speed Test Network

Hi Toke, > On Sep 6, 2019, at 19:59, Toke Høiland-Jørgensen wrote: > > Sebastian Moeller writes: > >> Hi Toke, >> >>> On Sep 6, 2019, at 10:27, Toke Høiland-Jørgensen wrote: >>> >>> Mikael Abrahamsson writes: >>> >>>&g

Re: [Cerowrt-devel] [Bloat] Ubiquiti Launches a Speed Test Network

Hi Toke, > On Sep 7, 2019, at 00:50, Toke Høiland-Jørgensen wrote: > > Sebastian Moeller writes: > >> Hi Toke, >> >> >>> On Sep 6, 2019, at 19:59, Toke Høiland-Jørgensen wrote: >>> >>> Sebastian Moeller writes: >>>

Re: [Cerowrt-devel] [Bloat] Ubiquiti Launches a Speed Test Network

Hi Pete, If the PayPal ad of an irtt packet would contain the requested DSCP as ascci string (maybe starting with a string like "DSCP: 46: 101110 (EF)" in the first few bytes of the payload would make confirming bleaching/remapping from packetdumps relatively convenient, say just by looking at

Re: [Cerowrt-devel] [Cake] dslreports is no longer free

Hi Dave, well, it was a free service and it lasted a long time. I want to raise a toast to Justin and convey my sincere thanks for years of investing into the "good" of the internet. Now, the question is which test is going to be the rightful successor? Short of running

Re: [Cerowrt-devel] [Bloat] [Cake] dslreports is no longer free

can not deliver the contracted rates (with a bit of slack))) Best Regards Sebastian > > SERGEY FEDOROV > Director of Engineering > sfedo...@netflix.com > 121 Albright Way | Los Gatos, CA 95032 > > > > On Fri, May 1, 2020 at 12:48 PM Sebastian Mo

Re: [Cerowrt-devel] [Bloat] OT: Netflix vs 6in4 from HE.net

Hi Rich, since it seems to be IPv6 related, why not use firefox for netflix and disable IPv6 in firefox (see https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can#w_ipv6) maybe that works well enough? Best Regards Sebastian > On Mar 21, 2020, at 21:20,

Re: [Cerowrt-devel] [Bloat] [Cake] dslreports is no longer free

uot; power-boosting are naturally in the same few dozends of seconds range as typical speedtests take, nothing nefarious here. > > Mat > >> On 1 May 2020, at 20:48, Sebastian Moeller wrote: >> >> Hi Dave, >> >> well, it was a free service and it

Re: [Cerowrt-devel] apparently this is an end goal of a lot of ipv6 work in the ietf

But is it Turing complete? > On Jul 2, 2020, at 20:04, Dave Taht wrote: > > who knew? > > https://www.ipv6plus.net/ > > -- > "For a successful technology, reality must take precedence over public > relations, for Mother Nature cannot be fooled" - Richard Feynman > > d...@taht.net CTO,

Re: [Cerowrt-devel] the future is in high speed symmetrical internet speeds!!!!

Hi Dave, Well, less asymmetric down/up ratios are certainly worth fighting for (for one NTP should work better). And, as I might add, something that is orthogonal to better router software ;) a fast symmetric link with a craptastic router is still roughly as much fun as a dial-up connection

Re: [Cerowrt-devel] [Bloat] New OpenWrt release fixing several dnsmasq CVEs

Could you try to run top or htop and look at the CPU load? I could imagine that the fixes dnsmasq might have some CPU spikes that simply leave not enough cycles for the traffic shaper? Best Regards Sebastian > On Jan 22, 2021, at 22:25, Jonathan Foulkes wrote: > > I figure there

Re: [Cerowrt-devel] Looking for MORE SQM Router Recommendations !

There is also an io board for the compute module that offers a PCIe slot which might could be used for a real NIC... On 17 March 2021 03:57:24 CET, Jonathan Morton wrote: >> On 17 Mar, 2021, at 3:01 am, David Lang wrote: >> >> This is using the compute module, that does not have any

Re: [Cerowrt-devel] 10gige and 2.5gige

To add to Joel's point, I can do my own catX cable runs and connect sockets/plugs to the cables, but I lack the tools for fiber-splicing... as cool as that would be it is going to be hard to justify multi-100s EUR for a splicer.. That still leaves short distance in the main computing area of

Re: [Cerowrt-devel] 10gige and 2.5gige

m GPON's local max of 1000/200 let alone XGSPONs yet unkown rate-plans, but I rarely think "if I only had faster internet access" (I will still switch to FTTH ASAP, since I would like not having to bother/monitor the DSL link parameters to check for errors and changes in sync rates).

Re: [Cerowrt-devel] 10gige and 2.5gige

new ONT and lack of in home 10G kit on > the market. But the access network is there. > > Similar stories in other regions I know of that offer XGPon - lack of > consumer demand, lack of ONTs in the market that are suitable for residential > use. > > > > > >

Re: [Cerowrt-devel] [Make-wifi-fast] [Starlink] TCP_NOTSENT_LOWAT applied to e2e TCP msg latency

Hi Bob, OWD != RTT/2 seems generically to be the rule on the internet not the exception, even with perfectly symmetric access links. Routing between AS often is asymmetric in it self (hot potato routing, where each AS hands over packets destined to others as early as possible, means that

Re: [Cerowrt-devel] [Bloat] tp-link request for SQM

Hi Luca, > On Dec 9, 2021, at 18:38, Luca Muscariello wrote: > > Hi Sebastian > > On Thu, Dec 9, 2021, 17:09 Sebastian Moeller wrote: > Hi Luca > > > On Dec 3, 2021, at 15:58, Luca Muscariello wrote: > > > > > > > > On Fri, Dec 3, 20

Re: [Cerowrt-devel] [Bloat] tp-link request for SQM

Hi Luca > On Dec 3, 2021, at 15:58, Luca Muscariello wrote: > > > > On Fri, Dec 3, 2021 at 3:35 PM Sebastian Moeller wrote: > Hi Dave, > > > > On Dec 3, 2021, at 15:18, Dave Taht wrote: > > > > On Fri, Dec 3, 2021 at 4:00 AM Luca Muscariello

Re: [Cerowrt-devel] [Bloat] tp-link request for SQM

> On Dec 3, 2021, at 11:10, Kenneth Porter wrote: > > --On Thursday, December 02, 2021 10:48 AM -0800 Dave Taht > wrote: > >> tp-link, is, so far as I know, the last major home router vendor NOT >> shipping a SQM system. Perhaps this could be modded up with someones >> with accounts? >> >>

Re: [Cerowrt-devel] uplink bufferbloat and scheduling problems

Hi David, you probably had noticed that the cited paper was about LTE/(5G) where the base station operates the scheduler that arbitrates both up- and downstream transmissions. And according to the paper that ends up in bursting on the upstream (I wonder how L4S with its increases burst

Re: [Cerowrt-devel] [Bloat] tp-link request for SQM

Hi Dave, > On Dec 3, 2021, at 15:18, Dave Taht wrote: > > On Fri, Dec 3, 2021 at 4:00 AM Luca Muscariello wrote: >> >> Test using a tp-link AP EAP 245 >> >> https://www.waveform.com/tools/bufferbloat?test-id=bbcc5ef5-e677-4f27-aa04-1849db81d0f5 > > Nice. > > A kvetch is that I really wish

Re: [Cerowrt-devel] a smart SFP

t for a few years (oh, the irony, as I am living literally next door to a central office of the incumbent telco, spanning a fiber cable over less then 20 m should get me FTTH, but I digress) Regards Sebastian > > > On Thu, Jan 13, 2022 at 6:51 AM Sebastian Moeller wrote:

Re: [Cerowrt-devel] a smart SFP

ave Taht wrote: > > And a gpon onu > > https://www.fs.com/products/133619.html > > On Thu, Jan 13, 2022 at 6:23 AM Sebastian Moeller wrote: >> >> That is similar to what happens in some GPON-ONT SFPs, some run a full small >> Linux distribution like

Re: [Cerowrt-devel] a smart SFP

seems somehow based on an ancient OpenWrt) Regards Sebastian > On Jan 13, 2022, at 15:38, Dave Taht wrote: > > And a gpon onu > > https://www.fs.com/products/133619.html > > On Thu, Jan 13, 2022 at 6:23 AM Sebastian Moeller wrote: >> >> That is similar

Re: [Cerowrt-devel] a smart SFP

Hi Dave, > On Jan 13, 2022, at 16:59, Dave Taht wrote: > > On Thu, Jan 13, 2022 at 7:57 AM Sebastian Moeller wrote: >> >> Hi Dave, >> >> >> this thread >> https://www.computerbase.de/forum/threads/eigenes-modem-an-ftth-anschluss-via-sfp

Re: [Cerowrt-devel] a smart SFP

That is similar to what happens in some GPON-ONT SFPs, some run a full small Linux distribution like OpenWrt inside though for ethernet that is unexpected. This is also similar to SFP VDSL "modems" which likely run their own embedded OS as well inside the SFP package (at a time there was

Re: [Cerowrt-devel] a smart SFP

d go right into a SFP enabled home router > > rather than a separate unit seems like a good idea, also > > Yes, but ideally I guess you would also need some control of the OLT side. > You may want to look into the VOLTHA project run by ONF: > > https://wiki.opennetworkin

Re: [Cerowrt-devel] Fwd: [PATCH net-next] net_sched: restore "mpu xxx" handling

No idea, sqm-scripts long had supported htb's linklayer accounting but defaulted to using tc stab instead, and mainly for htb+fq_codel, for cake it defaulted to cake's internal accounting. I have no recollection when I last tested that, probably when I was still on an ADSL link without a

Re: [Cerowrt-devel] a smart SFP

f that PON will owe the incumbent some money c) control II: no competitor will be able to offer more advanced technology over a PON than its owner. > > /Jonas > > On Fri, Jan 14, 2022 at 2:23 PM Sebastian Moeller wrote: > Hi Jonas, > > > > > On Jan 14, 2022, at 14

Re: [Cerowrt-devel] a smart SFP

st/70320015 > https://www.dslreports.com/speedtest/70346586 > https://www.dslreports.com/speedtest/70346578 Thanks! Best Regards Sebastian > > /Jonas > > On Fri, Jan 14, 2022 at 12:55 PM Sebastian Moeller wrote: > Hi Jonas, > > > > On Jan 14, 2022, a

Re: [Cerowrt-devel] android, sqm-autorate and lte and videoconferencing

Dear Dave, dear all please, let me introduce Andrew to this list, who is the driving force behind CAKE-autorate's design and implementation (which started from a more theoretical discussion in the OpenWrt forum before turning into something tangible). There are other alternative approaches for

Re: [Cerowrt-devel] usb3 gigabit adapters

Hi Matt. Over on the OpenWrt forum there are a lot of reports of tp-link's ue300 using an RTL8153 chip working robustly and reliably with speeds up to the expected limit for gigabit ethernet. Reports for Asix model(s) indicate some driver inefficiencies that make it impossible ot reach the

Re: [Cerowrt-devel] packet captures of sony's new 80Mbit service?

Hi Mark, > On Oct 11, 2023, at 21:05, Mark Thurston wrote: > > On Wed, 11 Oct 2023 18:04:41 +0100 Dave Taht wrote --- >> Anyone got a ps4 or ps5 and can take a packet capture at their router? >> Dying to know if it is cubic or bbr in particular >> > > Sorry if this is a silly comment

Re: [Cerowrt-devel] new beaglebone

Hi Aaron, > On Mar 9, 2023, at 16:43, Aaron Wood via Cerowrt-devel > wrote: > > At least for the sub-1GHz 802.15.4, that’s for range that wifi can’t get, due > to its lower signal loss over distance. > > But 10Mbut Ethernet’s weird (to me) They also have a Gpbs ethernet port:

Re: [Cerowrt-devel] can bus attack

Hi Dave, > On Apr 14, 2023, at 06:04, Dave Taht via Cerowrt-devel > wrote: > > The biggest bug with the early fq_codel deployment was that it dropped > from head and fq'd which led to the prospect of messages sent out of > order on the can protocol, which was not designed for that..

<    1   2   3   4