FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

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I've Been Here Awhile
Posts: 3

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

Recently I went from 250 Mbps plan (CGN3 modem) to the new Gigabit Ignite plan with the new Hitron CGNM-3552 modem which I registered for the trial firmware (v.xxx.22)

 

I bridged the modem and use Linksys WRT1900AC as my router gateway. But my speeds as measured on http://speedcheck.rogers.com/en.html are mediocre, around 40 Mbps and my upload is actually a tad faster, often the graph of upload speed (while its being measured in the second speed stage) shows up above download graph.

 

I used to get 250+ Mbps speed on the old 250 Mbps plan. I actually have notes where I measured 327 Mbps download speeds which I recall was more or less the norm, mostly I remember it stayed above those 250 Mbps.

Now I am not sure what to do about it.

I'm an Advisor
Posts: 928

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial


@vanDivX wrote:

Recently I went from 250 Mbps plan (CGN3 modem) to the new Gigabit Ignite plan with the new Hitron CGNM-3552 modem which I registered for the trial firmware (v.xxx.22)

 

I bridged the modem and use Linksys WRT1900AC as my router gateway. But my speeds as measured on http://speedcheck.rogers.com/en.html are mediocre, around 40 Mbps and my upload is actually a tad faster, often the graph of upload speed (while its being measured in the second speed stage) shows up above download graph.

 

I used to get 250+ Mbps speed on the old 250 Mbps plan. I actually have notes where I measured 327 Mbps download speeds which I recall was more or less the norm, mostly I remember it stayed above those 250 Mbps.

Now I am not sure what to do about it.


Did you use the WRT1900AC with the CGN3 and the old 250 plan, or did you get it after you got the gigabit plan?

I Plan to Stick Around
Posts: 274

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

I am seeing some t3 time outs in my modem log file. And about the same time my Internet stops responding briefly. Also getting t4 time outs every once in a while. And that causes the modem to reboot. Any ideas? I have the beta firmware and have did a hard reset on it as well.

Mythen

I'm a Reliable Contributor
Posts: 338

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

This morning (around 5:30 AM) in East Scarborough (Toronto) I had no wired/wireless Internet on my CGNM-3552-ROG modem running the 4.5.8.22 firmware.  My signal levels were good and there were NO information in the logs to indicate any timeouts.  I called support and they asked me to reboot the router and that fixed everything.  I was thinking of doing that but in the past, I never had any of these type of issues.

 

Here are my modem logs for reference and I did see some T3:

 

Edited - The log contains your modem's MAC address -RogersMoin

 

 

Here are my signal levels:

 

Downstream Overview

Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 621000000 256QAM 0.500 6 36.387
2 591000000 256QAM 2.900 1 36.387
3 597000000 256QAM 3.400 2 37.356
4 603000000 256QAM 2.900 3 37.356
5 609000000 256QAM 2.500 4 37.356
6 615000000 256QAM 1.400 5 36.387
7 633000000 256QAM 0.000 7 35.780
8 639000000 256QAM 0.100 8 35.595
9 645000000 256QAM 0.500 9 35.595
10 651000000 256QAM -0.800 10 35.595
11 657000000 256QAM -1.300 11 35.780
12 663000000 256QAM -0.400 12 35.595
13 669000000 256QAM -0.200 13 35.595
14 675000000 256QAM 0.400 14 35.780
15 681000000 256QAM 1.700 15 36.610
16 687000000 256QAM 1.800 16 36.387
17 693000000 256QAM 1.600 17 36.387
18 699000000 256QAM 1.500 18 36.610
19 705000000 256QAM 1.000 19 36.387
20 711000000 256QAM 0.500 20 36.610
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID BandWidth
1 30596000 ATDMA - 64QAM 41.000 2 6400000
2 23700000 ATDMA - 64QAM 41.000 3 6400000
3 38596000 ATDMA - 64QAM 43.500 1 3200000
Resident Expert
Resident Expert
Posts: 6,143

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

@Mythen, can you log into the modem, navigate to the STATUS .... DOCSIS WAN page, copy the downstream and upstream tables and paste those into a post.  The copy and paste process will paste in the text contents of the tables, so you don't have to use a screen capture to post the data.  Those are the cable signal levels and signal to noise ratios which at this point might indicate that there is a signal problem on the go.  



I Plan to Stick Around
Posts: 274

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1615000000256QAM-4.7001835.084
2561000000256QAM-4.200935.780
3567000000256QAM-4.0001035.780
4573000000256QAM-4.5001135.780
5579000000256QAM-4.4001235.595
6585000000256QAM-5.1001335.084
7591000000256QAM-5.1001435.084
8597000000256QAM-5.0001535.084
9603000000256QAM-4.6001635.780
10609000000256QAM-4.7001735.084
11555000000256QAM-4.0004036.387
12621000000256QAM-4.6001935.084
13633000000256QAM-4.3002035.084
14639000000256QAM-4.1002135.084
15645000000256QAM-4.6002235.084
16651000000256QAM-4.3002335.084
17657000000256QAM-4.6002434.926
18663000000256QAM-4.4002535.084
19669000000256QAM-4.5002635.084
20675000000256QAM-4.4002734.484
21681000000256QAM-4.9002834.484
22687000000256QAM-5.0002934.346
23693000000256QAM-4.4003034.926
24699000000256QAM-4.2003134.926
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandWidth
138596121ATDMA - 64QAM48.75033200000
230596000ATDMA - 64QAM44.25016400000
323700000ATDMA - 64QAM44.00026400000
I'm a Reliable Contributor
Posts: 338

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

Mythen,

 

Your signal levels look a little low and your upstream (return) signal on port 1 is quite weak. I believe the ideal signal levels are 0 dB on the Downstream and 40 dB on the Upstream

 

Can you please tell us how the modem is connected to the Rogers service (i.e. directly into the wall or into some splitters).  If it is a splitter, have a look to see how much insertion loss is on that port.  Typically it would be -3.5 dB on a 2 way and 7 dB on a 3 way.  Some splitters that are 3 way have one connection (leg) that is -3.5 dB.  If you are using splitters, it is better to choose the one with the lowest loss.  Ideally, the modem should be directly connected to the line (no splitters).

 

Thanks

 

Resident Expert
Resident Expert
Posts: 6,143

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

@Mythen your downstream signal levels are low, but still within spec.  Your internet modem shouldn't have any issues with those levels.  After the point where the cable enters your house, there shouldn't be anymore than a 3.5 dB drop if there is a splitter in place to provide service to the internet modem and other modems such as Cable TV and Home Phone modems.  You could check to ensure that the cable that is used for the internet modem is connected to a -3.5db port on the splitter.  

 

The signal to noise ratios are at the bottom of the normal range which is 36 to 40 dB.  That really signifies that there is slightly more error in the signal quadrature position at the time that the incoming signal is measured for amplitude and phase angle position.  From there the data for each channel is converted into a digital symbol set and kicked along for further processing.  So, end of story, there are cable signal errors taking place.  Not much, but enough to put the indicated signal to noise values below the usual range. 

 

The upstream signal levels are above their normal range which is 36 to 40 dBmV, but that is due to the modem increasing the output levels as commanded by the CMTS.  

 

Overall there probably is some degradation in the external cable and/or connectors.  Not enough to drag the downstream levels below spec or push the upstream signal levels to their maximum power levels, but there is some issue there.  

 

Call tech support and ask the CSR to run a signal check on the modem and ask him or her to look at the noise, and noise history as well just to see what turns up.  Indicate that you have had a drop out previously.  If you do experience another drop out, if you can, leave the modem alone, don't reset it.  Call tech support and ask the CSR to check the modem.  The question at that point is whether or not the CSR can query the modem, and the follow-on question is, is this just a single cable event, or does it affect your neighbors as well?  Hopefully the CSR can determine something from that session and assign the right level of technician to resolve the issue. 

 



I've Been Around
Posts: 1

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

I was recently upgarded to the version in my screenshot, but I'm still noticing a loss of both my 2.4 & 5G networks, it does come back after about 2 mins of waiting, this is really a pain, any advice?

 

 

Capture.JPG

Regards

Highlighted
I Plan to Stick Around
Posts: 274

Re: FEEDBACK - Rogers Rocket Wi-Fi Modem Firmware Trial

20160918_180518.jpg

 

I took a picture of what I have. It seemed easlier.  I hope this was ok.  This splitter was installed by the tech when I got rogers last april.  The modem is one and the modem for the home phone is the other.  

 

Mythen