Visitor

 • 

1 Message

Friday, May 29th, 2026 2:56 AM

High Uncorrectable Codewords and frequent internet drops

Previous tech supprt suggested I needed to update my customer owned modem to a new Xfinity provided option to fix frequent drop internet outs. But even after the install there is still multiple drop outs on wifi and wired devices through the day.  

There is no other devices or splinters in-between the input to the house and the modem. 

Downstream Channel Bonding Value

Channel ID
20
13
14
15
16
17
18
19
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
193
194
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
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Frequency
519 MHz
477 MHz
483 MHz
489 MHz
495 MHz
501 MHz
507 MHz
513 MHz
525 MHz
531 MHz
537 MHz
543 MHz
549 MHz
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
690000000
957000000
SNR
46.0 dB
46.2 dB
46.0 dB
46.3 dB
46.2 dB
46.0 dB
46.0 dB
46.0 dB
46.0 dB
46.0 dB
45.9 dB
46.0 dB
46.1 dB
46.1 dB
46.2 dB
46.2 dB
46.2 dB
46.3 dB
46.3 dB
46.3 dB
46.3 dB
46.4 dB
46.3 dB
46.3 dB
46.3 dB
46.1 dB
46.0 dB
45.7 dB
45.9 dB
46.1 dB
46.1 dB
45.6 dB
45.9 dB
45.4 dB
Power Level
7.3 dBmV
7.4 dBmV
7.4 dBmV
7.4 dBmV
7.4 dBmV
7.3 dBmV
7.3 dBmV
7.3 dBmV
7.4 dBmV
7.4 dBmV
7.5 dBmV
7.7 dBmV
7.8 dBmV
8.0 dBmV
8.1 dBmV
8.1 dBmV
8.2 dBmV
8.3 dBmV
8.3 dBmV
8.4 dBmV
8.5 dBmV
8.5 dBmV
8.5 dBmV
8.5 dBmV
8.5 dBmV
8.5 dBmV
8.2 dBmV
7.9 dBmV
8.1 dBmV
8.3 dBmV
8.5 dBmV
8.6 dBmV
8.9 dBmV
10.0 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
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
OFDM
OFDM

Upstream 

Channel ID
1
2
3
4
41
Lock Status
Locked
Locked
Locked
Locked
Locked
Frequency
16 MHz
22 MHz
29 MHz
35 MHz
36 MHz
Symbol Rate
5120
5120
5120
5120
0
Power Level
45.8 dBmV
46.3 dBmV
46.8 dBmV
46.8 dBmV
41.7 dBmV
Modulation
QAM
QAM
QAM
QAM
OFDMA
Channel Type
ATDMA
ATDMA
ATDMA
ATDMA
TDMA

Upstream  Channel Bonding Value

Channel ID
20
13
14
15
16
17
18
19
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
193
194
Unerrored Codewords
1309799394
2930783863
2930774320
2930794555
2930804572
2930804443
2930819822
2930833126
2930845603
2930852714
2930862461
2930867632
2930871713
2930889568
2930893674
2930966525
2930916747
2930920713
2930923319
2930936271
2930951674
2930959923
2930965461
2931040390
2930986315
2930993623
2931003682
2930921153
2930836656
2930896603
2931007041
2931112479
1159311668
1309799394
Correctable Codewords
41509591
0
0
0
0
0
0
0
0
0
0
0
0
0
10
14
12
0
0
0
10
13
9
0
0
0
512
39559
67084
40570
9363
579
1419783381
41509591
Uncorrectable Codewords
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
0
108
47078
124755
83045
13198
1433
0
0

There are more and various others on other channels but this gives an idea of the issues. 

Oldest First
Selected Oldest First

Visitor

 • 

4 Messages

2 days ago

This was the same lame response they gave me.

They don't want to acknowledge the fact that thier network is congested and needs to be upgraded.

(edited)

Official Employee

 • 

2.2K Messages

3 hours ago

 

user_vgsc8w Hello, I am sorry you are having service issues. I understand how frustrating it is, and I am happy to help you troubleshoot your service. First I will ask a few questions to better understand the root of the problem. We value you as a loyal customer and would like to resolve this issue, so you can enjoy our great service.  To avoid repeating any steps you may have already taken (apart from replacing equipment), can you please describe what you have done to resolve your service issue? 

 

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