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matt84uk
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No 3.1 channel since maintenance

I was advised by email a week or so back there would be some maintenance in my area (WV12). There was a brief outage but since it came back I have 24 3.0 channels and no 3.1. I did have one before the work was done. I’ve restarted the hub a number of times but the others haven’t come back. 
Nothing has changed within the house, and I believe it’s within spec?

Speed is slower than it was too. Getting more like 400-450 wired connection and I’m on gig1

Cable Modem StatusItem Status CommentsChannel Overview Downstream Upstream

Cable Modem Status
Online
DOCSIS 3.1
Primary downstream channel
Locked
SC-QAM
DOCSIS 3.0 channels
24
4
DOCSIS 3.1 channels
0
0

 

3.0 Downstream channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

11390000003.29999937.355988QAM2561
21470000003.59999837.355988QAM2562
31550000003.50000038.605377QAM2563
41630000003.40000238.605377QAM2564
51710000003.29999938.983261QAM2565
61790000003.29999938.983261QAM2566
71870000003.29999938.605377QAM2567
81950000003.29999938.605377QAM2568
92030000003.59999838.983261QAM2569
102110000003.90000238.605377QAM25610
112190000004.09999838.983261QAM25611
122270000004.19999738.983261QAM25612
132350000004.00000038.983261QAM25613
142430000003.79999938.983261QAM25614
152510000003.50000038.605377QAM25615
162590000003.59999838.983261QAM25616
172670000004.00000038.983261QAM25617
182750000004.90000238.983261QAM25618
192830000005.30000338.983261QAM25619
202910000005.69999738.605377QAM25620
212990000005.69999738.983261QAM25621
223070000005.40000238.983261QAM25622
233150000005.09999838.605377QAM25623
243230000005.00000038.983261QAM25624



3.0 Downstream channels

Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors

1Locked37.35598800
2Locked37.35598800
3Locked38.60537700
4Locked38.60537700
5Locked38.98326100
6Locked38.98326100
7Locked38.60537700
8Locked38.60537700
9Locked38.98326100
10Locked38.60537700
11Locked38.98326100
12Locked38.98326100
13Locked38.98326100
14Locked38.98326100
15Locked38.60537700
16Locked38.98326100
17Locked38.98326100
18Locked38.98326100
19Locked38.98326100
20Locked38.60537700
21Locked38.98326100
22Locked38.98326100
23Locked38.60537700
24Locked38.98326100
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Paul_DN
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Message 2 of 10
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Re: No 3.1 channel since maintenance

Hi matt84uk,

Thank you for reaching out to us in our community and welcome, sorry to hear you have been facing some connections issues since there was some work carried out in the area, I have been able to locate you on our system with the details we have for you and cannot see any issues at all, please can you try a a pin reset on the Hub to rule out a software issue, push a pin/ paper clip in the reset hole at the back of the Router, push and hold in for a timed 1 Minute, do not reboot during or after, allow 15 Minutes to settle? 

Please let us know if this helps improve things.

Regards

Paul.

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matt84uk
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Message 3 of 10
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Re: No 3.1 channel since maintenance

Thanks for getting back to be so quickly. 
I’ve tried the above and get exactly the same. 24 channels of 3.0 and 0 of 3.1 - currently in router mode, but after a while I’ll switch back to modem mode.

Seems to be exactly the same as what I had in March 2021, needed someone to do something at the cab. 

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matt84uk
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Re: No 3.1 channel since maintenance

I’ve noticed the upload has been considerably lower too. 5-11 rather than the usual 38-52 I got previously. 
Also seeing some drops on here:

https://www.thinkbroadband.com/broadband/monitoring/quality/share/cbf8d4d1572fc00b09607d28b1a063e862fe1e1a

 The bigger red block is when I reset the hub

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Travis_M
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Re: No 3.1 channel since maintenance

Hi @matt84uk

 

Thanks for posting on our community forum!

 

How has your connection been over the weekend, have you had any noticeable improvement at all?

 

Regards

Travis_M
Forum Team



New around here? To find out more about the Community check out our Getting Started guide


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matt84uk
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Message 6 of 10
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Re: No 3.1 channel since maintenance

There has been a slight improvement in upload speed, but it fluctuates far more than before the maintenance and I still have 24 3.0 down channels and no 3.1 which surely isn’t right for gig1? before maintenance I can’t recall the number of 3.0 channels, but I most certainly had the one 3.1.
When I had that issue before something needed checking at the cab and was then fed back to be resolved.

Thanks for following up

Matt

 

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Tom_W1
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Message 7 of 10
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Re: No 3.1 channel since maintenance

Hi Matt thanks a lot for your reply - sorry to hear things still haven't been fully resolved for you.

I've tried to run some diagnostics for you today, but it appears there is an area issue impacting services at the moment (apologies for this), but it is potentially skewing the figures I see in front of me at the moment.

Once the issue is resolved (due to be 18:00 today), can you please reboot your Hub again and try the test via ethernet?

Many thanks

Tom_W
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matt84uk
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Message 8 of 10
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Re: No 3.1 channel since maintenance

Thanks for the update,

I did have a brief outage last night (5mins). I checked the service status page which suggested everything was fine, but the service status phone line said there was an area issue with no ETA. 

I’ll reboot it after 6 as you suggest and report back.
 
Would this area issue be related to my loss of my 3.1 channel on the downstream since the recent maintenance? 

Thanks

 

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matt84uk
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Message 9 of 10
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Re: No 3.1 channel since maintenance

I’ve restarted the hub, still only see 3.0 channels (24) and no 3.1
Ethernet speed average over a few tests was 700/42

Thanks

 

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Alex_RM
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Message 10 of 10
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Re: No 3.1 channel since maintenance

Hi matt84uk,

 

Can you confirm if this is service affecting?

 

Looking at things our side everything looks to be within the specifications we would expect.

 

Alex_Rm

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