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Damocles
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Connection dropouts between Hub 3.0 and internet.

What it says in the title.

 

Started roughly 10 days ago and was really bad for about 24 hours, cutting out roughly every 20 minutes, then intermittently for another 2 days. Had about 3 days with no issues and then occasional dropouts up until this morning where it happened 3 times in the space of an hour. Each time my connection drops and a moment later all the lights on my Hub 3.0 router would flash green for up to 5 minutes before the connection comes back.

I don't use any 3rd party broadband equipment and the connections on the SOHO end of the network aren't the problem and when the connection's working I have the correct speed for my package (219mb Down, 21.4mb Up), it's the routers connection to the internet that's the issue.

Checked the router log and had the following list of errors:

15/06/2020 10:26:13Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:26:13criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:23:52criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:22:38Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:21:36criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:21:36criticalUnicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:21:33criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:20:39criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:20:39criticalUnicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:19:10criticalDHCP FAILED - Discover sent, no offer received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:19:9criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:19:8criticalUnicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:17:24criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:17:24criticalUnicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:17:4criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:17:4criticalUnicast Ranging Received Abort Response - initializing MAC;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:15:14Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 10:15:5criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

 

I need this sorted out. I require my internet to study from home and access remote VM's in a practice lab environment which then resets when my connection drops out and I lose my connection to it, erasing any work I have done on it. My course is also time sensitive so the more time that drags on where I can't do my work, due to connection drops, jepordises my chances at completing it.

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Damocles
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Re: Connection dropouts between Hub 3.0 and internet.

Happened again around 13:15, didn't get completely cut off this time but still almost lost me over an hours work.

15/06/2020 13:20:15Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 13:20:14Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 13:18:27Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 13:18:27criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 13:18:24Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 12:38:8criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/06/2020 12:37:49Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

 

Downstream bonded channels

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

1379000000-3.738256 qam29
2219000000-1.240256 qam11
3227000000-140256 qam12
4235000000-2.540256 qam13
5243000000-2.240256 qam14
6251000000-2.740256 qam15
7259000000-3.440256 qam16
8267000000-4.240256 qam17
9275000000-3.540256 qam18
10283000000-2.740256 qam19
11291000000-2.240256 qam20
12299000000-2.440256 qam21
13307000000-3.940256 qam22
14315000000-4.240256 qam23
15323000000-4.440256 qam24
16347000000-4.440256 qam25
17355000000-4.738256 qam26
18363000000-3.540256 qam27
19371000000-3.540256 qam28
20387000000-5.538256 qam30
21395000000-538256 qam31
22403000000-5.738256 qam32
23411000000-4.938256 qam33
24419000000-5.538256 qam34



Downstream bonded channels

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

1Locked38.6119730371138
2Locked40.916351163529
3Locked40.917189254638
4Locked40.915341795902
5Locked40.3157585109614
6Locked40.3171316115808
7Locked40.3188284113939
8Locked40.9229092120410
9Locked40.3264818113581
10Locked40.3277845100594
11Locked40.931360793803
12Locked40.3371918111928
13Locked40.9453702116780
14Locked40.3525695104412
15Locked40.9569067103948
16Locked40.978444092391
17Locked38.990977488701
18Locked40.991782568339
19Locked40.3102170662924
20Locked38.9131543891735
21Locked38.9159728689507
22Locked38.9173962687984
23Locked38.6180962184481
24Locked38.9209019094889

 

Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

1602999814.8512064 qam9
2536999694.8512064 qam10



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0000
2ATDMA0000
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Martin_N
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Re: Connection dropouts between Hub 3.0 and internet.

Hi Damocles,

 

Thank you for your post and welcome to the community. 

 

I'm very sorry to hear about this. 

 

Has there been any change since your post? I have checked on our side and I am unable to see anything that could be affecting the service.

 

^Martin

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Damocles
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Re: Connection dropouts between Hub 3.0 and internet.

The issue eased off a little after I posted and then stopped but, as has been the case previously, I can go a few days without incident and then it happens again at 30 - 60 minute intervals over the course of 24 - 36 hours. Then the connection drops will happen intermittently for a day or two and then dissapear again.

Each time it happens my hub will go from a single white power light to all 3 lights flashing green briefly in the same manner as when you do a reboot and takes roughly 5 minutes for my connection to come back.

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Martin_N
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Re: Connection dropouts between Hub 3.0 and internet.

Thank you for coming back to me. 

 

Are these drop outs affecting both a Wired & Wireless connection? Can you confirm if you have ever had a replacement hub?

 

^Martin

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