Intermittent disconnects - CODA-4582U

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I Plan to Stick Around
Posts: 9

Re: Intermittent disconnects - CODA-4582U

Had a tech visit just now, went just as I expected “maintenance issue didn’t give any eta” for this visit just added another attenuator to lower the signal level coming in making that 4 in total but not doing anything at node to correct high signal levels which is affecting whole building ... the usual first visit also told me since the issue is intermittent will take a long time to fix, well fix it or it won’t be long for me to switch.
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I Plan to Stick Around
Posts: 13

Re: Intermittent disconnects - CODA-4582U

@Datalink Here are the results of the ping test to the second hop, with the computer plugged directly into the CODA. The test took about two hours to complete.


Ping statistics for 174.115.234.1:
Packets: Sent = 3600, Received = 3178, Lost = 422 (11% loss),
Approximate round trip times in milli-seconds:
Minimum = 4ms, Maximum = 3981ms, Average = 277ms

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I Plan to Stick Around
Posts: 13

Re: Intermittent disconnects - CODA-4582U

Slightly off-topic, but would "upgrading " to Rogers Ignite Internet Gigabit" do anything to alleviate my ongoing issues? This at least would replace/upgrade the modem to the Arris XB6 , if that makes any difference at all..?

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Resident Expert
Resident Expert
Posts: 6,771

Re: Intermittent disconnects - CODA-4582U

@MD83 I haven't forgotten about you.  I just don't know if I can offer any productive advice at this point.  Your case looks very much like that of @JSS_BRAMPTON 

 

https://communityforums.rogers.com/t5/Internet/Question-about-Signal-Levels/m-p/458649#M59936

 

Maybe the solution is to request a tech visit to check for noise issues?  Don't know.  The modems themselves are equipped to check and monitor for noise and as far as I know there is a noise record kept to each modem, if not minute by minute, maybe every five minutes.  Don't know why Rogers can't use that record to initiate further action to resolve upstream noise issues.  



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I Plan to Stick Around
Posts: 13

Re: Intermittent disconnects - CODA-4582U

@Datalink is there anything I could further do (in relation to @JSS_BRAMPTON's case) that might work, ahead of the tech coming over? I started skimming through that thread, but don't know which parts, if any, would apply to my particular situation. Thanks again.

 

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I've Been Around
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Re: Intermittent disconnects - CODA-4582U

wait what?? I have been struggling with intermittent disconnects daily. I have Ignite Gigabit internet AND a CODA-4582U. There is another modem ??
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I Plan to Stick Around
Posts: 13

Re: Intermittent disconnects - CODA-4582U

@User6825 yes, there is another modem. Whether it's an "upgrade" or not is a question for a resident expert. From what I understand, it's a newer modem from a larger company that may have less of a grasp on how to properly use the internal chipset within the modem. Again, I'm no expert.

 

I just got off the phone complaining with Rogers, and they upgraded me to the 1Gbps service for less than what I'm currently paying for 500 down. I definitely don't think this will resolve any of my issues, but I might as well save a few bucks and get a newer modem. The senior service tech is still scheduled to come out at the end of the month to hopefully at least get a handle on what is wrong with my service. Will report back we'll report back at a later date.

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I've Been Here Awhile
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Re: Intermittent disconnects - CODA-4582U

I am having the same issue where during the day the internet disconnects, I was upgraded to gigabit internet but didn't help. The issue only happens during the day and I can see the modem lights go off except the top power one on the CODA modem. After few minutes internet comes back, however disconnects keeps happening randomly after some time.

 

I tried contacting chat support several times where they go through the same standard process of unplugging the modem, connect it directly to the wall outlet instead of a power bar (not sure if this makes any difference). The issue keeps coming back. I asked for the new advanced modem but they will not upgrade my modem.

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Resident Expert
Posts: 6,771

Re: Intermittent disconnects - CODA-4582U

@aaaaaaaaaab can you log into the modem and:

 

1.  Confirm what Software (firmware) version is currently loaded as indicated on the STATUS page.  That page will be displayed automatically when you log into the modem.  The version will be 2.0.1036T6 or 7.1.1.30

 

2.  Navigate to the STATUS .... DOCSIS WAN tab, and select or highlight the signal level table, from the start of the Downstream Overview line down to the bottom right hand side of the OFDM/OFDMA section at the bottom.  Right click .... Copy.  Then, in a new post, right click .... Paste.  That should paste in the entire table and the result should look like the modem's table.  Ignore the data that resides above the Downstream Overview line as its specific to the modem and shouldn't be posted in an open forum. 

 

3.  Are you connecting to the modem via ethernet or wifi or both? 



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I've Been Here Awhile
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Re: Intermittent disconnects - CODA-4582U

@Datalink thanks for your reply, please see the info below. I am using my modem in a bridge mode with google mesh wifi.

 

1. Software Version 2.0.10.36T6

 

2. 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000256QAM0.500738.983
2849000000256QAM-0.500238.983
3855000000256QAM-1.200338.605
4861000000256QAM-1.800438.983
5579000000256QAM0.300538.983
6585000000256QAM1.100640.366
7279000000256QAM-1.700138.605
8597000000256QAM-0.400838.983
9603000000256QAM0.100938.983
10609000000256QAM0.9001040.366
11615000000256QAM0.4001140.366
12621000000256QAM0.0001238.983
13633000000256QAM1.1001340.366
14639000000256QAM0.8001440.366
15645000000256QAM0.5001540.366
16651000000256QAM0.6001640.366
17657000000256QAM0.5001740.366
18663000000256QAM0.2001840.366
19669000000256QAM-0.1001940.946
20675000000256QAM-0.1002040.366
21681000000256QAM-0.1002140.366
22687000000256QAM-0.2002240.366
23693000000256QAM-0.7002338.983
24699000000256QAM-0.6002440.946
25705000000256QAM-0.1002538.983
26711000000256QAM-0.7002638.983
27717000000256QAM-1.2002738.983
28723000000256QAM-0.9002838.983
29825000000256QAM-0.8002938.983
30831000000256QAM-1.2003038.983
31837000000256QAM-1.2003138.983
32843000000256QAM-0.9003238.983
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES-1.500000
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
136996000ATDMA - 64QAM39.00086400000
222100000ATDMA - 64QAM39.50053200000
330596000ATDMA - 64QAM38.25076400000
425300000ATDMA - 64QAM40.25063200000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.50000.00000.0000-inf-1.00004K
1DISABLED0.50000.00000.0000-inf-1.00004K