CODA-4582 - Open Issues for Investigation

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I'm a Reliable Contributor
Posts: 577

Re: CODA-4582 - Open Issues for Investigation

I ran a speedtest as of 10:06PM today. Speedtest showed the same inconsistent upload speeds I've been seeing. If I'm correct, the fluctuations (or spikes) on the upload graph of the CODA-4582 is bufferbloat. During the speedtest run on the CODA-4582, it does not maintain the upload speed at a steady rate. For instance, for the first 3-4 seconds of the upload test the speed would maintain 9.5Mbps, but then randomly shoot up (or spike) to 11Mbps (when it does this, it could mean that the modem is suffering from bufferbloat?). However, on the CGNM-3552, it would maintain the the upload speed at a steady rate, and not show any signs of bufferbloat upload wise (you can tell b/c the upload graph on the CGM-3552 is nice and steady). 

 

You can even start to question if the 1ms jitter is accurately reported. It certainly doesn't look like 1ms jitter is an accurate value given the fluctuations of upload speed seen in the graph of the CODA-4582.

 

4582_speedtest(1006PM).png

I've Been Here Awhile
Posts: 3

Re: CODA-4582 - Open Issues for Investigation

I signed up for the firmware trial to see if that helps with my situation.  Once I get confirmation that the new firmware is installed, I'll post updates here.

I'm a Reliable Contributor
Posts: 603

Re: CODA-4582 - Open Issues for Investigation

@RogersDave

 

Just got D3.1

 

It's late at night I had the time to test it for 10 mins in CSGO, usually my ping fluctuate a lot, and during the test I made it stayed 61ms for the whole match, didn't move at all( first time ever since on Rogers) So I will do more testing tomorrow but by the look of it D3.1 is much more stable.

I Plan to Stick Around
Posts: 32

Re: CODA-4582 - Open Issues for Investigation

Interesting...

 

So first time streaming on the 2.0.10.26T2 software and the dropped frames I experienced were minimal. I have been seeing a fair amount of packet loss starting at the modem (Hop 2) and major issues with dropped frames during the broadcast but tonight was different. Almost no packet loss at the modem but a decent amount of packet loss occuring at the router. 

 

You can see in the image below that this packet loss doesn't propegate through the various hops (and so wasn't impacting anything) but I thought it was an interesting point to note. Will keep you guys (and @RogersDave) updated  if anything is different tomorrow.

 

https://i.gyazo.com/4a8667914311b21c3b29402e8be18170.png

I've Been Around
Posts: 1

Re: CODA-4582 - Open Issues for Investigation

Not sure if this is the right forum for this... but sounds like there have been some issues with the equipment some of which possibly fixed in the current firmware.  

 

I've been having packet loss/strange issues since my Sept 2016 install date... which may make my issues unreleated...  Generally my internet service would appear ok, but there would be random packet loss causing failed vpn connections to work, or difficulties starting the next show on netflix, or getting a website to load. SpeedTest.net would usually appear to be acceptable... 

 

Techs have been out several times to 'play around' with various things... I've been told all kinds of dumbed down stuff like the signals too weak, too strong, there are two signals one weak one strong, signals out of wack/etc. We had the 3552 initially... and just last week a tech 'upgraded' my modem to the CODA-4582 claiming they're excellent/no problems and previous one was very problematic. (Double black dot, firmware 2.0.10.24)

 

Anyway, it did seem to work more reliably for a while, but after roughly 7 days wifi was showing 'no internet access' on my iphone, and wired speed were dismal...showing 3-8mbps on speedtest, but practically unusable outside of that.   I tried to go into the webadmin, but that hung after a couple of clicks and became totally unresponsive. I had to power cycle the CODA, which restored full 300+mbps downstream.. and wifi.

Upstream appeard to be fine/full speed while I was experiencing the problems with downstream/wifi.

 

I'm interested to know if a newer firmware is on the horizon/or if it's known there are still issues with these units/etc.  Also willing to help if logs/etc would be beneficial. 

 

Thanks for being open about what's going on.

 

Stuart

 

 

 

 

I Plan to Stick Around
Posts: 12

Re: CODA-4582 - Open Issues for Investigation

Hey Guys,

 

I have a weird issue that only happens on my Rogers router (on all machines at home connected to the router).  I have the CODA-4582 router with firmware version 2.0.10.24. 

When I try to use the Instagram app on any of my Windows 10 PCs, I notice that the images do not load and only text loads.  Even if I leave the app open for hours nothing will come up.  As soon as I connect my machine to another Wifi source (I have a Mi-fi, and other networks where I've taken my laptop to) everything loads up correctly and instantly.  The minute I connect back to my Rogers router, it goes back to the same behaviour.

 

I have tried the following and nothing has worked for me:

  • Put a single machine on the DMZ and test on that machine
  • Turn off the firewall on the router completely for both IPv4 and IPv6
  • Restart the router
  • Factory restore the router and set it up again

 

Any help would be greatly appreciated.

 

Thanks a lot!

I'm a Reliable Contributor
Posts: 603

Re: CODA-4582 - Open Issues for Investigation

Hello Community, 

 

I have very good news to share, since I received the D3.1 update, I have been trying to reproduce the UDP issue with CSGO ( usually it was super easy it was doing it on any server at any time).

 

Now guess what? I can't reproduce it, 0% packet loss at all time Ping is stable my 3 tests

 

NY: 61 ms stable 0,02ms var (Time 1:30 AM Atlantic time)

Chicago: 47ms stable 0,001-0,002 ms (Time 11:00 AM Atlantic Time)

Chicago: 47ms stable 0,001-0,002 ms (Time 11:30 AM Atlantic Time)

 

Tests were done in CSGO, because it was in that game that it was the worst, my ping usually fluctuate between 50-75 in a matter of 2-3 minutes and keep going all way until I am done.

 

So now seeing a ping so stable is a FIRST on Rogers for me.

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I Plan to Stick Around
Posts: 26

Re: CODA-4582 - Open Issues for Investigation


@JohnBeaudin wrote:

Hello Community, 

 

I have very good news to share, since I received the D3.1 update, I have been trying to reproduce the UDP issue with CSGO ( usually it was super easy it was doing it on any server at any time).

 

Now guess what? I can't reproduce it, 0% packet loss at all time Ping is stable my 3 tests

 

NY: 61 ms stable 0,02ms var (Time 1:30 AM Atlantic time)

Chicago: 47ms stable 0,001-0,002 ms (Time 11:00 AM Atlantic Time)

Chicago: 47ms stable 0,001-0,002 ms (Time 11:30 AM Atlantic Time)

 

Tests were done in CSGO, because it was in that game that it was the worst, my ping usually fluctuate between 50-75 in a matter of 2-3 minutes and keep going all way until I am done.

 

So now seeing a ping so stable is a FIRST on Rogers for me.


  Thats good news.

  I was on 3.1 and was horrible, hopefully some changes being done background. would be nice to jump on the 4582 again, wi-fi bit better than the 3552.

I'm a Reliable Contributor
Posts: 603

Re: CODA-4582 - Open Issues for Investigation

@tonytoronto

 

I've done further testing, played for hours, and the UDP is still noticeable but not nearly as much as on D3.0

 

I know that the curent beta firmware .26T2 on D3.1 is stable enough.

 

The UDP issue should be sorted out soon, so you might want to wait until it's fixed and then make the switch, if you want to play safe.

I Plan to Stick Around
Posts: 314

Re: CODA-4582 - Open Issues for Investigation

Try this HTML5 speed test: https://sourceforge.net/speedtest/

 

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