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Advin
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1st Reply
Conversation Starter

6 Messages

Friday, September 1st, 2023 6:04 PM

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Constant internet loss around the same time of day

Just after a recent maintenance on the poles in my neighborhood I have consistently over the last week had connectivity issues around 13:00 to 15:00 EST. After digging through the forums when it's restored, or on my phone in the meanwhile. I have checked the power level in the router for downstream and upstream. Downstream is showing 2.9dBmV while my Upstream is at a Whopping 57 dBmV. There are no splitters or anything in-between the wall and the router. Can this be caused by the work that was done outside? Or has this been an ever existing issue and just now cropped up? Have been in this house for 3 months with no issues untill after the work. 

Cable Modem

HW Version:1.0
Vendor:Cisco
BOOT Version:3.4.22.4
Core Version:3.12.14
Model:DPC3941T
Product Type:XB3
Flash Part:128 MB
Download Version:2.3.10.13_5.5.0.5
Serial Number:284576677

Question

 • 

Updated 

2 years ago

 • Edited

231

5

0

Accepted Solution

Advin

6 Messages

2 years ago

Today it has been down all afternoon...
Event log is hundred of these:

[Docsis][1038]: No Ranging Response received - T3 time-out 1970/1/1 01:05:22 Warning
[Docsis][1051]: No Ranging Response received - T3 time-out 1970/1/1 00:05:23 Warning
[Docsis][1051]: Unicast Ranging Received Abort Response - initializing MAC 1970/1/1 00:05:23 Critical
[Docsis][1051]: No Ranging Response received - T3 time-out 1970/1/1 00:05:15 Warning
[Docsis][1051]: B-INIT-RNG Failure - Retries exceeded 1970/1/1 00:05:13 Warning
[Docsis][1044]: No Ranging Response received - T3 time-out 1970/1/1 00:05:13 Warning
[Docsis][1051]: No Ranging Response received - T3 time-out 1970/1/1 00:05:12 Warning
[Docsis][1044]: B-INIT-RNG Failure - Retries exceeded 1970/1/1 00:05:11 Warning
[Docsis][1036]: B-INIT-RNG Failure - Retries exceeded 1970/1/1 00:05:09 Warning
[Docsis][1044]: No Ranging Response received - T3 time-out 1970/1/1 00:05:08 Warning

1

0

ccRuben

Retired Employee

 • 

729 Messages

@Advin . Intermittent connection issues can be frustrating for sure. Please allow me to take a closer look into this for you here. 

Could you send me a direct message with the full name and complete address for your service? 

To send a direct message [private message]:

   Click the "Direct Message" icon or  https://forums.xfinity.com/direct-messaging

   Click the "New message" (pencil and paper) icon

   The "To:" line prompts you to "Type the name of a person". Instead, type "Xfinity Support" there.

   - As you are typing a drop-down list appears. Select "Xfinity Support" from that list.

   - An "Xfinity Support" graphic replaces the "To:" line.

   Type your message in the text area near the bottom of the window

   Press Enter to send it

2 years ago

Advin

6 Messages

2 years ago

Downstream
Channel Bonding Value
Index
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Lock Status
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Frequency
555 MHz
561 MHz
567 MHz
573 MHz
579 MHz
585 MHz
591 MHz
597 MHz
603 MHz
609 MHz
615 MHz
621 MHz
627 MHz
633 MHz
639 MHz
645 MHz
651 MHz
657 MHz
663 MHz
669 MHz
675 MHz
681 MHz
687 MHz
693 MHz
SNR
40.366 dB
40.366 dB
40.366 dB
40.946 dB
40.946 dB
40.366 dB
40.946 dB
40.366 dB
40.366 dB
40.946 dB
40.366 dB
40.366 dB
40.366 dB
38.983 dB
38.605 dB
38.983 dB
40.366 dB
40.946 dB
40.366 dB
40.366 dB
40.366 dB
38.983 dB
40.946 dB
40.366 dB
Power Level
7.700 dBmV
7.600 dBmV
7.700 dBmV
7.700 dBmV
7.900 dBmV
7.800 dBmV
8.100 dBmV
7.900 dBmV
8.100 dBmV
7.900 dBmV
7.900 dBmV
7.900 dBmV
7.800 dBmV
7.800 dBmV
7.700 dBmV
7.800 dBmV
7.600 dBmV
8.000 dBmV
7.900 dBmV
8.100 dBmV
7.900 dBmV
8.100 dBmV
8.000 dBmV
8.100 dBmV
Modulation
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM

0

0

Advin

6 Messages

2 years ago

Upstream
Channel Bonding Value
Index
1
2
3
4
5
Lock Status
Locked
Locked
Locked
Locked
Locked
Frequency
35 MHz
40 MHz
29 MHz
22 MHz
16 MHz
Symbol Rate
5120 KSym/sec
2560 KSym/sec
5120 KSym/sec
5120 KSym/sec
5120 KSym/sec
Power Level
48.500 dBmV
48.500 dBmV
48.500 dBmV
47.000 dBmV
46.500 dBmV
Modulation
64 QAM
64 QAM
64 QAM
64 QAM
64 QAM
Channel Type
ATDMA
ATDMA
ATDMA
ATDMA
ATDMA

0

0

Advin

6 Messages

2 years ago

CM Error Codewords
Unerrored Codewords
19638346
0
15216044
0
0
0
0
15192340
0
0
0
0
0
0
0
15037331
15126069
0
0
0
0
0
14960288
0
Correctable Codewords
87
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Uncorrectable Codewords
1338
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

0

0

Advin

6 Messages

2 years ago

It connected again after having it powered off for 5-10 minutes. (don't know if that's what actually fixed it)
Just kidding, down again. Using my phone as a hotspot to paste the Router logs.

Upstream
Channel Bonding Value
Index
1
Lock Status
Not Locked
Frequency
22 MHz
Symbol Rate
5120 KSym/sec
Power Level
57.000 dBmV
Modulation
64 QAM
Channel Type
ATDMA

[Docsis][1038]: No Ranging Response received - T3 time-out 1970/1/1 01:05:22 Warning
[Docsis][1044]: No Ranging Response received - T3 time-out 1970/1/1 00:05:13 Warning
[Docsis][1044]: B-INIT-RNG Failure - Retries exceeded 1970/1/1 00:05:11 Warning
[Docsis][1036]: B-INIT-RNG Failure - Retries exceeded 1970/1/1 00:05:09 Warning

[Docsis][1031]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out 2023/9/1 13:41:31 Warning
[Docsis][1031]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out 2023/9/1 13:41:30 Warning
[Docsis][1031]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out 2023/9/1 13:41:30 Warning
[Docsis][1031]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out 2023/9/1 13:41:30 Warning
[Docsis][1031]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out 2023/9/1 13:41:18 Warning
[Docsis][1031]: No Ranging Response received - T3 time-out 2023/9/1 13:39:00 Warning
''
[Docsis][1031]: No Ranging Response received - T3 time-out 2023/9/1 13:38:48 Warning
[Docsis][1031]: Unicast Maintenance Ranging attempted - No response - Retries exhausted 2023/9/1 13:38:48 Critical
[Docsis][1031]: Ranging Request Retries exhausted 2023/9/1 13:38:48 Critical
[Docsis][1031]: No Ranging Response received - T3 time-out 2023/9/1 13:38:47 Warning
''
[Docsis][1031]: No Ranging Response received - T3 time-out 2023/9/1 13:38:28 Warning
[Dhcpc][8295]: erouter0 T1 Expired, Enter Renew State 2023/9/1 11:26:43 Notice
[Dhcpc][8295]: erouter0 T1 Expired, Enter Renew State 2023/9/1 10:26:43 Notice
[Dhcpc][8295]: erouter0 T1 Expired, Enter Renew State 2023/9/1 09:26:43 Notice
[Dhcpc][8295]: erouter0 got new IP xxxxx 2023/9/1 08:51:17 Notice
[Dhcpc][24583]: erouter0 T1 Expired, Enter Renew State 2023/9/1 08:18:44 Notice

(edited)

0

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