Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 20:14, David Curado wrote: I was curious, so poked at this... my results from a macbook pro 2019 running Catalina 10.15.3 sudo /usr/local/sbin/mtr -r 10.200.200.200 Start: 2020-10-29T14:09:08-0400 HOST: bos-mp36c                   Loss%   Snt Last   Avg  Best  Wrst StDev   1.|-

Re: plea for comcast/sprint handoff debug help

i'll see your blog post and raise you a peer reviewed academic paper and two rfcs :) in dnssec, we want to move from the old mandatory to implement (mti) rsa signatures to the more modern ecdsa. how would the world work out if i fielded a validating dns cache server which *implemented* rsa, becau

Re: DE-CIX - Wednesday 11:00am - 1:30pm Eastern

Hi Matt, please open a ticket with supp...@de-cix.net and/or call +1-212-796-6914 so that we can have a direct communication with you. We will work with you on resolving the issue right away. Best regards, Thomas -- Dr. Thomas King Chief Technology Officer (CTO) DE-CIX Managemen

Re: DE-CIX - Wednesday 11:00am - 1:30pm Eastern

On Thu, Oct 29, 2020 at 11:10 AM Matt Hoppes < mattli...@rivervalleyinternet.net> wrote: > Hi Ed, > Thank you for that clarification. > > On 10/29/20 12:05 PM, Ed dAgostino wrote: > > All, > > > > > > For clarification, DE-CIX New York operates over a dozen switches as > > part of our local switch

Re: Apple Catalina Appears to Introduce Massive Jitter

Sorry--accidental premature send. On Thu, Oct 29, 2020 at 12:54 PM Brielle wrote: > Updates are from same link as above, and there's new builds based on > their new OS that integrates a bunch of separate controllers if you > don't mind beta... > With most companies I wouldn't mind. But with Uni

Re: Apple Catalina Appears to Introduce Massive Jitter

On Thu, Oct 29, 2020 at 12:54 PM Brielle wrote: > On 10/29/2020 1:42 PM, Aaron C. de Bruyn via NANOG wrote: > > I have an old CloudKey that mysteriously doesn't seem to be getting > > updates anymore. > > > https://community.ui.com/releases/UniFi-Cloud-Key-Firmware-1-1-13/733dfc55-b61b-483b-afc1-

Recommendation to update RPKI validators

Hi all, About eight months ago I discovered a number of issues in the validation procedure of most RPKI validator softwares (including the RIPE NCC Validator, Routinator, and OctoRPKI). The impact of improper verification of Manifests (and associated aspects of the X.509 system) in the RPKI can ha

Re: plea for comcast/sprint handoff debug help

>>> tl;dr: >>> >>> comcast: does your 50.242.151.5 westin router receive the announcement >>> of 147.28.0.0/20 from sprint's westin router 144.232.9.61? >> >> tl;dr: diagnosed by comcast. see our short paper to be presented at imc >> tomorrow https://archive.psg.com/200927.imc-rp.pdf >> >

Re: plea for comcast/sprint handoff debug help

> On 28 Oct 2020, at 16:58, Randy Bush wrote: > >> tl;dr: >> >> comcast: does your 50.242.151.5 westin router receive the announcement >> of 147.28.0.0/20 from sprint's westin router 144.232.9.61? > > tl;dr: diagnosed by comcast. see our short paper to be presented at imc > tomorrow ht

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/2020 1:42 PM, Aaron C. de Bruyn via NANOG wrote: I have an old CloudKey that mysteriously doesn't seem to be getting updates anymore. https://community.ui.com/releases/UniFi-Cloud-Key-Firmware-1-1-13/733dfc55-b61b-483b-afc1-77d7f2c1e032 4 months ago, if you want to stick strictly to s

Re: Apple Catalina Appears to Introduce Massive Jitter

On Thu, Oct 29, 2020 at 12:22 PM Peter Beckman wrote: > I'll take all of your Unifi gear, PM me for an address. :-) > I'd send it your way in a heartbeat, but you wouldn't get much use out of it. I have an old CloudKey that mysteriously doesn't seem to be getting updates anymore. I have an old C

Re: Apple Catalina Appears to Introduce Massive Jitter

I also have all Ubiquiti stuff at home, and I’ve deployed it in large installations of up to 100 APs. Beyond that it seems to hit some communication bottleneck in its spectrum allocation protocols, so I usually go to Aruba or Ruckus for networks larger than that. Ubiquiti is pretty reliable, b

Re: Apple Catalina Appears to Introduce Massive Jitter

I'd need more data than your anecdotal experience with a POE device to throw out my Unifi gear and ban the company. But I'm dealing with 2 devices: a Security Gateway and a single Access Point (plus the Controller software running on my Mac). There are some quirky things about Unifi that can be a

Re: Apple Catalina Appears to Introduce Massive Jitter

On Thu, Oct 29, 2020 at 5:43 AM Jared Mauch wrote: > I have all UBNT at home for wireless and periodically have some > random > issues which I can't explain, but for the most part have things tuned to > ensure > there's little to no interference. > All UBNT at home? Ouch. They're on my

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 19:38, colin johnston wrote: Be careful using Apple wireless diagnostic package, uses a lot of /var/tmp space on a small Macbook air 128ssd Mine cost me 300MB. Mark.

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 19:24, colin johnston wrote: This does seem to be solved with the checksum disable below, or at least pings down to sub 10ms on Mac book air with Catalina beta 10.15.6, why aim performs far better I don’t know. I tried to introduce load after cksum disable and it did not see pin

Re: Apple Catalina Appears to Introduce Massive Jitter

Be careful using Apple wireless diagnostic package, uses a lot of /var/tmp space on a small Macbook air 128ssd Col > On 29 Oct 2020, at 17:24, colin johnston wrote: > > This does seem to be solved with the checksum disable below, or at least > pings down to sub 10ms on Mac book air with Cat

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 19:27, Randy Bush wrote: you only *think* you turned off location services. as they are a vital component of providing a good user experience ... :( That was an honest, lingering thought. Mark.

Re: Apple Catalina Appears to Introduce Massive Jitter

> Most folk from various fora suggested Location Services were to > blame. I turned all of mine off, no joy. you only *think* you turned off location services. as they are a vital component of providing a good user experience ... :(

Re: Apple Catalina Appears to Introduce Massive Jitter

This does seem to be solved with the checksum disable below, or at least pings down to sub 10ms on Mac book air with Catalina beta 10.15.6, why aim performs far better I don’t know. I tried to introduce load after cksum disable and it did not see ping spikes as before How do we now explain to A

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 19:12, colin johnston wrote: Hey Mark, Good shout with debug, same issue seen on MacBook Air with Catalina 10.15.6 beta, pings upto 150ms seen iMac with Sierra zero jitter and usually sub 1m pings Now need to find out why, I never noticed as wife using the MacBook Air :( I cant

Re: Apple Catalina Appears to Introduce Massive Jitter

Hey Mark, Good shout with debug, same issue seen on MacBook Air with Catalina 10.15.6 beta, pings upto 150ms seen iMac with Sierra zero jitter and usually sub 1m pings Now need to find out why, I never noticed as wife using the MacBook Air :( I cant yet update to big sur since need lots of sad spa

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 18:05, Blake Hudson wrote: On the latest Catalina 10.15.7 from a MacBook Air (early 2014) via WiFi to Google Wifi Mesh router (only a single unit network): Over 2.4Ghz through 3 interior walls: --- 192.168.86.1 ping statistics --- 100 packets transmitted, 100 packets received, 0

Re: DE-CIX - Wednesday 11:00am - 1:30pm Eastern

Hi Ed, Thank you for that clarification. On 10/29/20 12:05 PM, Ed dAgostino wrote: All, For clarification, DE-CIX New York operates over a dozen switches as part of our local switch fabric.   ONE of our switches malfunctioned for about a two hour period  prior to rebooting and that caused pr

Re: Apple Catalina Appears to Introduce Massive Jitter

On the latest Catalina 10.15.7 from a MacBook Air (early 2014) via WiFi to Google Wifi Mesh router (only a single unit network): Over 2.4Ghz through 3 interior walls: --- 192.168.86.1 ping statistics --- 100 packets transmitted, 100 packets received, 0.0% packet loss round-trip min/avg/max/stdde

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 16:08, J. Hellenthal wrote: I believe I have seen the same thing with a Mid 2015 11,4 running catalina. Not diagnosing further because I could not find a reason for it fast enough and not sure if it really had an impact at the moment…. but could you try the following sudo sysc

DE-CIX - Wednesday 11:00am - 1:30pm Eastern

Does anyone here know any more about what crashed in the DE-CIX NYC exchange yesterday between approximately 11am and 1:30pm? Between those times I'm told the Nokia switching fabric locked up and ultimately rebooted.

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Re: Apple Catalina Appears to Introduce Massive Jitter

* nanog@nanog.org (J. Hellenthal via NANOG) [Thu 29 Oct 2020, 15:10 CET]: [disabling checksum offload] Wireshark used to in Catalina rack up cksum errors a lot while these were all at their defaults. This is completely expected behaviour for outgoing packets. -- Niels.

Re: Apple Catalina Appears to Introduce Massive Jitter

Should also state here that net.inet.icmp.icmplim=0 and the command I have been testing from is: (ping -c 5000 -i 0.1 router) --- router ping statistics --- 5000 packets transmitted, 5000 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 1.118/4.060/172.031/6.841 ms > On Oct 29

Re: Apple Catalina Appears to Introduce Massive Jitter

I believe I have seen the same thing with a Mid 2015 11,4 running catalina. Not diagnosing further because I could not find a reason for it fast enough and not sure if it really had an impact at the moment…. but could you try the following sudo sysctl net.link.generic.system.hwcksum_tx=0 sudo

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 15:04, Cory Sell wrote: Might be worth disabling each AP to see if there's one out there having an issue playing nice with the MacBook. Also try different combinations of two APs working together. It's possible the MacBook is flip flopping because the power levels are fighting e

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 14:40, Jared Mauch wrote: I know there was a recent fix Apple did for devices talking to UBNT APs for their handsets, perhaps there's a similar fix needed on your side? I have all UBNT at home for wireless and periodically have some random issues which I can't exp

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 14:37, Mike Hammett wrote: Have you ruled out local wireless issues, such as a literal side-by-side test? Yes - all other wi-fi devices don't exhibit this issue, including my wireless-connected PC. Only this MacBook running Catalina. The problem exists at all wi-fi AP's around

Re: Apple Catalina Appears to Introduce Massive Jitter

On Thu, Oct 29, 2020 at 02:31:59PM +0200, Mark Tinka wrote: > > > On 10/29/20 14:27, Matt Hoppes wrote: > > > Is it actually jitter or is it potentially the wireless network card > > going into sleep mode? I have seen that type of behavior on Apple > > products when the cards go into low power m

Re: Apple Catalina Appears to Introduce Massive Jitter

Have you ruled out local wireless issues, such as a literal side-by-side test? Does the problem still exist when wired? - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mark Tinka" To: "Matt Hoppes"

Re: Apple Catalina Appears to Introduce Massive Jitter

On 10/29/20 14:27, Matt Hoppes wrote: Is it actually jitter or is it potentially the wireless network card going into sleep mode? I have seen that type of behavior on Apple products when the cards go into low power mode although I can’t say I have noticed that on my laptop. Not, not sleep

Re: Apple Catalina Appears to Introduce Massive Jitter

Ah yes, an example of what I am seeing: Marks-MacBook-Pro.local (172.16.0.239) 2020-10-29T14:28:27+0200 Keys:  Help   Display mode   Restart statistics   Order of fields   quit Packets   Pings  Host Loss%   Snt   Last   Avg  Best  Wrst StDev  1. 172.16.0.254 0.8%   126    3.9  34.7  

Re: Apple Catalina Appears to Introduce Massive Jitter

Is it actually jitter or is it potentially the wireless network card going into sleep mode? I have seen that type of behavior on Apple products when the cards go into low power mode although I can’t say I have noticed that on my laptop. > On Oct 29, 2020, at 8:11 AM, Mark Tinka wrote: > >  Hi

Apple Catalina Appears to Introduce Massive Jitter

Hi all. I've been on High Sierra for several years now due to a limitation with an app that couldn't deal with Apple's latest rounds of system permissions since Mojave. Eventually, I gave up on waiting for them to fix it and upgraded my older Butterfly keyboard laptop to Catalina 4 weeks ago.

Re: Asus wifi AP re-writing DNS packets

On Thu 29 Oct 2020 02:10:25 GMT, Anurag Bhatia wrote: > I tried deleting the rule and it drops the traffic completely. So DNS > resolution stops working and I am unsure why. It's not like default drop or > anything. I can edit the rule and whatever active port 53 related rule is > there works. But