Internet is next-level slow

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Resident Expert
Resident Expert
Posts: 6,604

Re: Internet is next-level slow

Lol.  20 channels down 3 up?  Can you post your signal levels just to see how they finally turned out.  Do you still have a CGN3ACSMR, as seen by the sticker at the back of the modem?  I see in a previous post that there was a modem swap.  If you do have that particular modem model, can you log into the modem, and on the STATUS page that comes up automatically, check the firmware version.  The latest, just released last week is 4.5.8.16.   That should be pushed to the modem within 48 hours of it going active on the network.



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Rogers Employee
Rogers Employee
Posts: 992

Re: Internet is next-level slow

Glad to hear it's fixed! 😄
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I Plan to Stick Around
Posts: 16

Re: Internet is next-level slow

So got home from work - tested and...

 

129.39Mbps down

11.16Mbps Up

 

However....still interesting numbers. Tech still coming to ensure signals are good - what do you make of this?

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Signal noise ratio (dB)Channel ID
1645000000256QAM-12.00032.96333
2591000000256QAM-10.70033.83425
3597000000256QAM-11.20033.48726
4603000000256QAM-11.70033.06327
5609000000256QAM-12.20033.06328
6615000000256QAM-12.40032.58529
7621000000256QAM-12.40032.67630
8633000000256QAM-11.70032.96331
9639000000256QAM-11.80032.67632
10651000000256QAM-12.30032.58534
11657000000256QAM-12.70032.58535
12663000000256QAM-13.00032.32136
13669000000256QAM-13.30032.23737
14675000000256QAM-13.40031.61638
15681000000256QAM-13.40031.91539
16687000000256QAM-13.30031.91540
17693000000256QAM-13.00031.99441
18699000000256QAM-13.00032.23742
19705000000256QAM-12.90032.32143
20711000000256QAM-12.90032.23744
Upstream Overview
Port IDFrequency (MHz)BandWidthModulation TypeSignal Strength (dBmV)Channel ID
1385960003200000ATDMA34.5001
2237000006400000ATDMA33.0003
3305960006400000ATDMA34.5002
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I Plan to Stick Around
Posts: 16

Re: Internet is next-level slow

CGN31A
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Resident Expert
Resident Expert
Posts: 6,604

Re: Internet is next-level slow

Wow, those levels are still bad.  You finally have 20 channels down, 3 up, and what looks like reasonable speeds, depending on the plan that you are on, but the signal levels and signal to noise ratios are still bad.  It will be interesting to see what the tech indicates.  Ideally the modem signal levels would be in a +2 to -2 dBmV range, after any splitters or amplifier.  Losses through a splitter or amplifier are normally -3 dB for the internet signal levels.  The signal to noise levels would normally be in a 36 to 40 dB range.  Yours are all below that.  Thats going to be problematic combination.  Low signal levels with higher than normal signal errors prior to the follow on signal decoding.  Upstream should normally be in a 36 to 40 dBmV range.  Yours are below that level, which should indicate that there is very little loss between the modem and the node, but the poor downstream levels blow that theory away. 

 

Run a few ping tests to sites such as www.google.ca and others to see if there are any packet losses at this point.  If you're a gamer, try running a game or two and watch for any game errors or problems connecting and staying connected. 

 

All you can do is wait to see what the tech indicates.  My personal feeling is that he or she shouldn't be satisfied with the status quo.  Yes, the signal levels are within spec, +15 to -15 dBmV on the downstream side and 36 to 51 dBmV on the upstream, but you have some downstream channels that are almost at -15 dBmV.  Given that the levels drift up and down, its not a great idea to leave them at or very near the extreme levels to start with.  At some point they will drift out of tolerance.  I'm not sure what the absolute cut off point is for the signal to noise ratios are as the tech staff usually measure in bit error rates, not in power levels and signal to noise ratios.  The measurements are all related but not exactly the same in terms of how they show the data points.  Also watch for any pixelating on your tv.  If you see that, its an indication that the cable box is having a difficult time decoding the low signal levels and signal errors. 

 

If nothing is done to improve the signal levels and signal to noise ratios, please let one of the mods know and let them take it from there.

 

Can you let us know what plan you are on, in terms of the download / upload rates?  Just curious at this point.



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I Plan to Stick Around
Posts: 16

Re: Internet is next-level slow

Hey there - the 100u plan

 

I'll keep everyone posted when the tech comes out - I think he is still scheduled too.  Let me pin google.com via mac and get results.

 

PING www.google.com (66.185.95.39): 56 data bytes
64 bytes from 66.185.95.39: icmp_seq=0 ttl=58 time=22.885 ms
64 bytes from 66.185.95.39: icmp_seq=1 ttl=58 time=22.425 ms
64 bytes from 66.185.95.39: icmp_seq=2 ttl=58 time=29.460 ms
64 bytes from 66.185.95.39: icmp_seq=3 ttl=58 time=29.341 ms
64 bytes from 66.185.95.39: icmp_seq=4 ttl=58 time=41.118 ms

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I Plan to Stick Around
Posts: 16

Re: Internet is next-level slow

They replaced the splitter and here are the numbers - they mentioned the connecting/incoming is off the charts so they need someone to come to the area - this affects everyone.  Download is still high....but the numbers need improvement:

 

Port IDFrequency (MHz)ModulationSignal strength (dBmV)Signal noise ratio (dB)Channel ID
1645000000256QAM-4.80035.78033
2591000000256QAM-3.40036.38725
3597000000256QAM-4.00036.38726
4603000000256QAM-4.40036.38727
5609000000256QAM-4.90035.78028
6615000000256QAM-5.20035.59529
7621000000256QAM-5.30035.78030
8633000000256QAM-4.60035.78031
9639000000256QAM-4.70035.78032
10651000000256QAM-5.10035.59534
11657000000256QAM-5.50035.08435
12663000000256QAM-5.60035.08436
13669000000256QAM-6.00035.08437
14675000000256QAM-6.10034.92638
15681000000256QAM-6.20034.92639
16687000000256QAM-6.10034.92640
17693000000256QAM-5.80034.92641
18699000000256QAM-5.70034.92642
19705000000256QAM-5.60035.08443
20711000000256QAM-5.50034.92644
Upstream Overview
Port IDFrequency (MHz)BandWidthModulation TypeSignal Strength (dBmV)Channel ID
1385960003200000ATDMA31.0001
2237000006400000ATDMA31.0003
3305960006400000ATDMA31.0002
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Resident Expert
Resident Expert
Posts: 6,604

Re: Internet is next-level slow

Well, they are improved.  I wonder what brought the downstream levels up slightly? Hopefully not an amplifier, as it can cause packet losses.  That would be worth knowing, so that you know what to expect in terms of internet performance.  Those levels should work without too many issues.  At least you know at this point that more work is required.  Did you manage to get a ticket number from the tech so that you can call in and see what progress is being made, or when additional work is scheduled?



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I Plan to Stick Around
Posts: 16

Re: Internet is next-level slow

Yep - he was cool. Provided me with some info and ticket number. He seemed to understand how to read the data from my Router screen better than the last rep who was here.

 

Was here maybe 10 minutes.

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Resident Expert
Resident Expert
Posts: 6,604

Re: Internet is next-level slow

Sounds good.  At this point its a matter of waiting for a maintenance crew I would guess to come in and do the necessary work.  But, do call in to see when that is scheduled.