Visitor

 • 

2 Messages

11/09/2026 11:00 PM

Periodically getting disconnected/packet loss/high latency.

Recently after my neighborhood got upgraded and we received our new modem, I am getting randomly dropped or get packet loss. Just had a technician over (did a great job troubleshooting and doing everything he possibly could, highly recommend him) and he was able to identify a bad cable run to the box, I am on a temporary line, but still see a lot of uncorrectable codewords in the admin web GUI.

Downstream
Channel Bonding Value
Channel ID
28
24
25
26
27
193
194
Lock Status
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Frequency
819 MHz
789 MHz
801 MHz
807 MHz
813 MHz
900000000
1050000000
SNR
39.1 dB
38.4 dB
39.5 dB
39.2 dB
39.3 dB
39.2 dB
33.8 dB
Power Level
-7.7 dBmV
-9.1 dBmV
-7.6 dBmV
-8.0 dBmV
-7.7 dBmV
-6.3 dBmV
-19.6 dBmV
Modulation
256 QAM
256 QAM
256 QAM
256 QAM
256 QAM
OFDM
OFDM

Upstream
Channel Bonding Value
Channel ID
1
2
3
4
41
50
51
52
Lock Status
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Locked
Frequency
16 MHz
22 MHz
29 MHz
35 MHz
36 MHz
105 MHz
200 MHz
297 MHz
Symbol Rate
5120
5120
5120
5120
0
0
0
0
Power Level
44.5 dBmV
44.5 dBmV
44.5 dBmV
44.5 dBmV
38.5 dBmV
26.0 dBmV
29.7 dBmV
31.7 dBmV
Modulation
QAM
QAM
QAM
QAM
OFDMA
OFDMA
OFDMA
OFDMA
Channel Type
ATDMA
ATDMA
ATDMA
ATDMA
TDMA
TDMA
TDMA
TDMA

CM Error Codewords
Channel ID
28
24
25
26
27
193
194
Unerrored Codewords
11741548
116096692
116101711
116104557
116102060
136032090
11741548
Correctable Codewords
4825232
0
0
0
0
122049213
4825232
Uncorrectable Codewords
4606920
0
0
0
0
0
4606920
Oldest First
Selected Oldest First

Official Employee

 • 

4.1K Messages

19 minutes ago

 

Greetings, A.M! Thanks so much for taking a moment out of your busy day to send us a message. You've reached the right place. For future reference, please keep in mind that sending unsolicited private messages to an Official Employee of the Xfinity Help & Support Forums, is a violation of Forum Guidelines. If needed, we may invite you to send us a Direct Message. With that being said, we can definitely take care of this for you from here. It just helps other members of the community with similar issues to find the answers they need. Thank you for clarifying. I understand you mentioned the technician found an issue with the cable running to the box and placed a temporary line. Did they set the expectation that a new cable would need to be buried as the next step, with the temporary line keeping you connected until that work could be completed?

- XfinityThomasA

 

Visitor

 • 

2 Messages

@XfinityThomasA​ 

Regarding your reminder about unsolicited direct messages, I reached out to Xfinity Support because, when reviewing numerous other topics on these forums, I consistently saw Official Employees instructing customers to send direct messages for further assistance. Based on that, I believed I was following the established process for getting support, rather than violating forum guidelines.

To answer your question, yes, I am fully aware that a new cable will need to be buried and that the temporary line is exactly that—temporary. My concern isn't about understanding the next steps for replacing the cable. It's about the fact that I am still experiencing intermittent connectivity issues, packet loss, and a significant number of uncorrectable codewords, even after the temporary line was installed.

At this point, I've already had three technicians visit my home, and I'm still not receiving the consistent, reliable internet service that I pay for every month. While we're discussing terms of service and forum violations, I would argue that repeatedly experiencing service interruptions despite multiple technician visits raises some legitimate concerns about Xfinity fulfilling its obligations as a service provider.

I took the time to provide detailed modem diagnostics in my original post because I was hoping to receive some meaningful technical insight into the remaining signal issues, particularly the concerning downstream OFDM readings and uncorrectable codewords.

I appreciate your response, but I would really like to see the focus remain on identifying and resolving the underlying connectivity problem rather than on forum messaging etiquette.

Thank you again for taking the time to respond. I look forward to your follow-up and, hopefully, some meaningful progress toward a resolution.

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