CODA-4582 - Open Issues for Investigation

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Telek
I Plan to Stick Around
Posts: 154

Re: CODA-4582 - Open Issues for Investigation


@gduesbur1 wrote:

Packet Loss and excessive Ping times

CODA-4582 Modem in Bridge Mode. -  Commercial Router and computers hardwired
 


I know it sucks, but can you try in gateway mode without your router in the picture?  Also try with a different computer, just to ensure that it's nothing with your setup.

IbeforeE
I've Been Around
Posts: 1

Re: CODA-4582 - Open Issues for Investigation

I've recently switched to the gigabit plan with the CODA-4582, and I'm having serious issues with my download speed.

 

Starting with firmware .13, I did a speed test, and the results were excellent.  Signed up for the beta firmware to receive .24, and there was a definite speed loss on the test, but I chalked that up to network traffic.

 

From there I switched to bridge mode and my router, only to find a slightly higher ping than I was expecting, but then also lag swings that made games completely unplayable.  (Since then, I've disconnected the external router entirely, to take it out of the troubleshooting equation.)

 

Having done a number of factory resets and power cycles, this is the graph of all the speed tests I've done, mostly using a single machine over ethernet directly to the modem.

 

 

I'm open to any ideas, here.

 

This is the DOCSIS WAN info (I have an IPv6 address, but not 3.1 enabled, as far as I can tell)

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 591000000 256QAM 3.600 31 37.356
2 363000000 256QAM 0.200 10 37.636
3 369000000 256QAM 0.300 11 37.636
4 375000000 256QAM 0.700 12 37.636
5 381000000 256QAM 0.700 13 38.605
6 387000000 256QAM 0.700 14 37.636
7 393000000 256QAM 0.800 15 38.605
8 399000000 256QAM 1.200 16 38.605
9 405000000 256QAM 1.300 17 38.605
10 411000000 256QAM 1.100 18 38.605
11 417000000 256QAM 1.400 19 37.636
12 423000000 256QAM 1.700 20 38.605
13 429000000 256QAM 2.000 21 38.605
14 435000000 256QAM 1.800 22 38.605
15 441000000 256QAM 1.500 23 37.636
16 447000000 256QAM 1.700 24 38.605
17 555000000 256QAM 2.900 25 37.636
18 561000000 256QAM 3.200 26 37.636
19 567000000 256QAM 3.300 27 37.636
20 573000000 256QAM 3.300 28 37.356
21 579000000 256QAM 3.500 29 37.356
22 585000000 256QAM 3.400 30 37.636
23 357000000 256QAM 0.400 9 38.605
24 597000000 256QAM 3.700 32 37.636
25 603000000 256QAM 4.300 33 38.605
26 609000000 256QAM 4.700 34 38.605
27 615000000 256QAM 4.900 35 38.605
28 621000000 256QAM 4.900 36 37.636
29 633000000 256QAM 5.500 37 38.605
30 639000000 256QAM 5.800 38 38.605
31 645000000 256QAM 5.600 39 38.605
32 651000000 256QAM 5.600 40 38.605
OFDM Downstream Overview
Receiver FFT type Subcarr 0 Frequency(MHz) PLC locked NCP locked MDC1 locked PLC power(dBmv)
0 NA NA NO NO NO NA
1 NA NA NO NO NO NA
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 30596000 ATDMA - 64QAM 39.750 1 6400000
2 38596000 ATDMA - 64QAM 43.500 3 3200000
3 23700000 ATDMA - 64QAM 38.250 2 6400000
OFDM/OFDMA Overview
Channel Index State lin Digital Att Digital Att BW (sc's*fft) Report Power Report Power1_6 FFT Size
0 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K
1 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K
dallasdinatake
I Plan to Stick Around
Posts: 52

Re: CODA-4582 - Open Issues for Investigation

Anyone see any issue with the Xbox one speed test ?
MegnaGaming
I Plan to Stick Around
Posts: 32

Re: CODA-4582 - Open Issues for Investigation

@gduesbur1 wrote:

Packet Loss and excessive Ping times

@gduesbur1,

 

Might I suggest editing your post ASAP to remove those links as you're leaving your IP address exposed for all the internet to see. 

 

Are you very familiar with PingPlotter? There are a lot of great articles that provide some detailed explainations of results you're seeing. Unfortunately when I attempted to download the data file it only gives about 1 minute of the original data so unfortunately I can't troubleshoot too much. 

Just going off the images attached,there appears to be major latency at hop 9. I would suggest trying to ping Google or Rogers. Secondly you seem to have major packet loss happening at your router/modem (50%) but upon closer inspection it seems you may be pinging REALLY frequently. Do you have your interval set to 0.5 or 1 second by chance? I suggest keeping it on 2.5 seconds.

 

If you want more help with PingPlotter, send me a DM and I can take another look!

Alex4161
I'm a Reliable Contributor
Posts: 405

Re: CODA-4582 - Open Issues for Investigation

@IbeforeE

 

I would suggest the following:

 

- factory reset the modem

- turn off the 2.4 Ghz band

- Connect a CAT 6 or CAT 7 cable in port 2 into your PC and run some speed tests from these sites:

 

speedtest-tor1.digitalocean.com/

http://speedcheck.rogers.com/en.html

 

You should be getting good speeds and if not, it could be congestion on your node.  Contact Rogers Support and they can troubleshoot things for you.

 

Kbursey
I've Been Here Awhile
Posts: 4

Re: CODA-4582 - Open Issues for Investigation

i have, have yet to get proper speeds on pc get 900+ on xbox i get around 100
gp-se
I'm an Advisor
Posts: 1,143

Re: CODA-4582 - Open Issues for Investigation


@Kbursey wrote:
i have, have yet to get proper speeds on pc get 900+ on xbox i get around 100

@Kbursey Slow speeds on xbox is being looked into by @RogersDave. I believe he is working with Microsoft on the issue.

 

lethalsniper
I'm an Enthusiast
Posts: 1,011

Re: CODA-4582 - Open Issues for Investigation

Yea and I think thats what's causing games to play bad online when it comes to the Xbox due to the slow speeds. Hope @RogersDave does get this fixed with Microsoft , when can we expect a fix for the udp ?
Gdkitty
Resident Expert
Resident Expert
Posts: 14,321

Re: CODA-4582 - Open Issues for Investigation

Havent been fully watching this thread, since I didnt have this modem, till this weekend.

My original CGN3.. well started to go wonky.  Where it was still conntected from rogers side (uplink/downlink, etc still there, rogers could see it) but no LAN side.. no connectivity at all from wired/wireless/static/dynamic.  Cant get to the modem interface.   Swapped it out and was given a new CGN3, and same thing, something wonky with the current firmware?

So was swapped out for the CODA.  

Generally that one was working fine for about 1/2 the day.   Then thats when stuff started getting wierd.

Not in bridge mode.
Randomly, a good chunck of the devices.. would not be connected.. well they would connect to the wifi.. but not getting an IP address properly..
Any of my devices which were IPv4 only.  Were connecting fine.

Anything which had a STATIC IPv4 addres, was fine.
The issue seemed to be with devices which were on dynamic.. and getting both IPv4 and IPv6 addresses?
My iphone/ipad were ones which were effected.  They are not able to turn on/off IPv6..  it appeared it got a v6 address.. but wouldnt keep properly the v4 address.

 

And from what i could find.. very little control over the v6 DHCP in the modem itself?

Since then.. swapped over to bridge mode.  Using an Asus RT-N66U.
Currently, have v6 OFF with it.. just v4 only.. and appears to be working fine.



Alex4161
I'm a Reliable Contributor
Posts: 405

Re: CODA-4582 - Open Issues for Investigation

@Gdkitty

 

That would explain why my iPad Air 2, Pixel was offline.  It was the IP6 Address. 

 

Is there a way we can turn this thing off?