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emilc
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internet connection droping

Hi,

I would like to know if anyone would be able to help me with this, as my internet is dropping every day, at random intervals for the past 6 months, and it's starting to be very frustrating.

I had 2 engineers , they replaced everything, wires, router, did something to the virgin box on the street, and yet the internet is still dropping.

The router seems to be restartging by itself, and this are the values that I can get from the network status:

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
139000000
Locked
Ranged Upstream Channel (Hz)
39400136
Locked
Provisioning State
Online

 

Downstream bonded channelsChannel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
11390000002.737256 qam1
21470000002.737256 qam2
3155000000337256 qam3
41630000003.237256 qam4
51710000003.537256 qam5
61790000003.537256 qam6
71870000003.437256 qam7
81950000002.237256 qam8
92030000001.937256 qam9
102110000002.537256 qam10
112190000002.937256 qam11
12227000000337256 qam12
13235000000337256 qam13
14243000000337256 qam14
15251000000337256 qam15
16259000000337256 qam16
17267000000337256 qam17
182750000002.737256 qam18
192830000003.537256 qam19
202910000003.937256 qam20
212990000003.737256 qam21
223070000003.537256 qam22
233150000003.737256 qam23
24323000000437256 qam24


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emilc
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Re: internet connection droping

Downstream bonded channels

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

1Locked37.6350949306
2Locked37.6158461231
3Locked37.612312247
4Locked37.611908626
5Locked37.610958165
6Locked37.69453164
7Locked37.610452164
8Locked37.612944596
9Locked37.612150333
10Locked37.310251162
11Locked37.39853173
12Locked37.310203139
13Locked37.69785132
14Locked37.68517116
15Locked37.6784591
16Locked37.3704483
17Locked37.36777125
18Locked37.6695772
19Locked37.3600287
20Locked37.6556872
21Locked37.35687127
22Locked37.6550270
23Locked37.6525159
24Locked37.3481967

 

Upstream bonded channelsChannel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1394001365.025512032 qam6
2258000005512064 qam8
3325999715.025512016 qam7
4461998265.05512064 qam5


Upstream bonded channelsChannel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1ATDMA0000
2ATDMA0000
3ATDMA0000
4ATDMA0000
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emilc
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Re: internet connection droping

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
cmreg-vmdg505-bbt060-b.cm



Primary Downstream Service Flow

SFID309348
Max Traffic Rate230000061
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID309347
Max Traffic Rate22000061
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort
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emilc
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Re: internet connection droping

Network Log

Time Priority Description

20/09/2020 09:51:50noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:35:22criticalReceived Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:31:9criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:31:8Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:31:8criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:31:8Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:52criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:44criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:44criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:5criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:4criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:30:4criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:29:20criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 09:29:17criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:07:58criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:07:15criticalReceived Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:03:17criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:03:17criticalUnicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:03:17criticalRanging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/09/2020 06:02:21criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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Emily_G
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Re: internet connection droping

Thanks for the post Emilc and welcome to our community.

 

We can see some T3 errors showing so we've booked an engineer appointment with the forum information. 

 

You can see the details for the appointment as well as reschedule if needed on your online account.

 

Thanks, Emily.

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