Visitor

 • 

2 Messages

09/12/2026 10:42 PM

Connection dropping for a few seconds at a time throughout the day

Hello! Me and my roommate have both been experiencing connection drops that last for a few seconds at a time, sometimes happening multiple times over the course of a couple minutes. It's been most noticeable when playing games, or watching live streams. 

I have tried replacing the XB8 gateway, new coax cable, and new coax wall plate, none of which has had any impact on the connection drops. 

Looking at the admin panel, I believe our downstream power levels are a little high, but I wasn't able to find anything official from xfinity regarding operating ranges. Also have noticed that correctable and uncorrectable codewords seem to consistently climb, though I'm unsure if that's expected?

Included the downstream, upstream, and codeword error tables, modem was restarted about 6 hours ago to reset the codewords Any help would be appreciated!

Channel ID
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
5
37
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
Frequency
489 MHz
495 MHz
501 MHz
513 MHz
519 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
669 MHz
0
690000000
SNR
42.7 dB
42.5 dB
42.4 dB
42.5 dB
42.3 dB
42.2 dB
42.1 dB
42.2 dB
42.2 dB
42.2 dB
42.2 dB
42.2 dB
42.3 dB
42.2 dB
42.0 dB
42.0 dB
41.9 dB
42.0 dB
41.8 dB
41.8 dB
41.9 dB
42.0 dB
42.0 dB
42.1 dB
42.1 dB
42.0 dB
42.2 dB
42.2 dB
42.0 dB
42.4 dB
42.3 dB
42.3 dB
Power Level
8.6 dBmV
8.5 dBmV
8.3 dBmV
8.1 dBmV
8.1 dBmV
8.0 dBmV
7.9 dBmV
7.7 dBmV
7.7 dBmV
7.6 dBmV
7.8 dBmV
8.1 dBmV
8.1 dBmV
8.0 dBmV
7.6 dBmV
7.4 dBmV
7.6 dBmV
7.6 dBmV
7.4 dBmV
7.4 dBmV
7.4 dBmV
7.5 dBmV
7.6 dBmV
7.7 dBmV
7.8 dBmV
7.8 dBmV
7.9 dBmV
8.0 dBmV
8.1 dBmV
8.2 dBmV
0.0 dBmV
8.5 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
OFDM
OFDM

Upstream
Channel Bonding Value
Channel ID
1
2
3
4
5
Lock Status
Locked
Locked
Locked
Locked
Locked
Frequency
35 MHz
29 MHz
22 MHz
16 MHz
40 MHz
Symbol Rate
5120
5120
5120
5120
2560
Power Level
36.3 dBmV
36.5 dBmV
36.5 dBmV
37.0 dBmV
36.5 dBmV
Modulation
QAM
QAM
QAM
QAM
QAM
Channel Type
ATDMA
ATDMA
ATDMA
ATDMA
ATDMA

CM Error Codewords
Channel ID
5
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
Unerrored Codewords
791003609
1509929913
1509922255
1509943359
1509948894
1509954594
1509960769
1509966161
1509972278
1509977989
1509982901
1509988492
1509995778
1510001401
1510006516
1510008693
1510009806
1510007078
1510000448
1509987722
1433376237
1436264031
1362251412
1035000979
1026224131
806763825
1490813507
1509827323
1509931526
1510000858
1510044531
791003609
Correctable Codewords
451459830
201
341
478
948
1221
1401
2182
2796
2930
3369
3801
4204
4717
5225
7781
11112
16902
25549
35099
41772
57989
72257
56170
75733
26430
141596
109645
75172
52501
36788
451459830
Uncorrectable Codewords
885320
0
0
5
25
90
194
302
563
1031
1801
2478
2863
2915
3548
5440
7253
9973
15727
25348
34328
56269
85793
75891
106679
51863
210080
152988
95199
55522
33474
885320
Oldest First
Selected Oldest First

Official Employee

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3.8K Messages

8 hours ago

user_llsal5. Thanks for providing those signal readings and for all the troubleshooting you've already done. I know intermittent connection drops can be especially frustrating when gaming or watching live streams. Looking over the modem statistics, the downstream and upstream signal levels appear to be within acceptable operating ranges, and I don't see anything that would immediately point to a signal-level issue. The correctable and uncorrectable codeword counts can increase over time and aren't necessarily a problem on their own, but the fact that you're experiencing brief drops is certainly worth investigating further. Since you've already replaced the gateway, coax cable, and wall plate without any improvement, I'd like to take a closer look at the connection history from our side. Are the drops affecting both Wi-Fi and Ethernet-connected devices, or only devices connected over Wi-Fi? Also, approximately how often are the interruptions occurring, and are you noticing any modem restarts or status lights changing when they happen? 

 

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