Hello @Luigi8503, thanks for reaching out to our Digital Care Team on our Forums page. We appreciate you being a customer with us and I can imagine how inconvenient it has been, experiencing the decrease in speeds. I know how important it is to receive the speeds you're paying for, so I am happy to hear you have a tech coming out. The tech will know what to check upon arriving and it's also helpful to provide them with information about the issues you have been noticing, the signal levels you have gathered, and any pertinent information you have gathered that could be beneficial to getting this issue resolved.
I would be more than happy to take a look on my end and leave any needed notes for the tech visit. As well as, follow up after the visit to see how everything went.
Can you please send me a Private Message including your first and last name as it appears on the account? To send me a Private Message, please click my name “ComcastAmira” and click “Send a message".
Thank you. I PMd you.
I am getting a lot of these errors in my modem logs:
02/17/2021 12:24 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 22; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 12:23 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 20; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 12:21 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 24; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 12:20 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 16; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 12:03 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 22; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
Here is my downstream updated signal. Right now, my modem shows a green light on the downstream instead of blue which indicates a gigabit connection:
Channel ID | Lock Status | Modulation | Frequency | Power | SNR/MER | Corrected | Uncorrectables |
20 | Locked | QAM256 | 507000000 Hz | 9.3 dBmV | 42.1 dB | 0 | 0 |
17 | Locked | QAM256 | 483000000 Hz | 8.4 dBmV | 42.0 dB | 0 | 0 |
18 | Locked | QAM256 | 489000000 Hz | 8.2 dBmV | 41.8 dB | 0 | 0 |
19 | Locked | QAM256 | 495000000 Hz | 8.6 dBmV | 42.1 dB | 0 | 0 |
21 | Locked | QAM256 | 513000000 Hz | 9.5 dBmV | 42.1 dB | 0 | 0 |
22 | Locked | QAM256 | 519000000 Hz | 9.9 dBmV | 42.1 dB | 0 | 0 |
23 | Locked | QAM256 | 525000000 Hz | 9.9 dBmV | 42.2 dB | 0 | 0 |
24 | Locked | QAM256 | 531000000 Hz | 9.9 dBmV | 42.2 dB | 0 | 0 |
25 | Locked | QAM256 | 537000000 Hz | 10.0 dBmV | 42.2 dB | 0 | 0 |
26 | Locked | QAM256 | 543000000 Hz | 9.3 dBmV | 41.9 dB | 0 | 0 |
27 | Locked | QAM256 | 549000000 Hz | 9.3 dBmV | 41.6 dB | 0 | 0 |
28 | Locked | QAM256 | 555000000 Hz | 9.1 dBmV | 41.6 dB | 0 | 0 |
29 | Locked | QAM256 | 561000000 Hz | 8.9 dBmV | 41.3 dB | 0 | 0 |
30 | Locked | QAM256 | 567000000 Hz | 9.2 dBmV | 41.5 dB | 0 | 0 |
31 | Locked | QAM256 | 573000000 Hz | 9.4 dBmV | 41.5 dB | 0 | 0 |
32 | Locked | QAM256 | 579000000 Hz | 9.7 dBmV | 41.7 dB | 0 | 0 |
33 | Locked | QAM256 | 585000000 Hz | 9.7 dBmV | 41.5 dB | 0 | 0 |
34 | Locked | QAM256 | 591000000 Hz | 9.5 dBmV | 41.5 dB | 0 | 0 |
35 | Locked | QAM256 | 597000000 Hz | 9.2 dBmV | 41.5 dB | 0 | 0 |
36 | Locked | QAM256 | 603000000 Hz | 9.1 dBmV | 41.4 dB | 0 | 0 |
37 | Locked | QAM256 | 609000000 Hz | 8.9 dBmV | 41.4 dB | 0 | 0 |
38 | Locked | QAM256 | 615000000 Hz | 8.7 dBmV | 41.4 dB | 0 | 0 |
39 | Locked | QAM256 | 621000000 Hz | 8.4 dBmV | 41.3 dB | 1 | 0 |
40 | Locked | QAM256 | 627000000 Hz | 8.0 dBmV | 41.3 dB | 2 | 0 |
41 | Locked | QAM256 | 633000000 Hz | 7.9 dBmV | 41.3 dB | 0 | 0 |
42 | Locked | QAM256 | 639000000 Hz | 7.7 dBmV | 41.3 dB | 0 | 0 |
43 | Locked | QAM256 | 645000000 Hz | 7.6 dBmV | 41.2 dB | 0 | 0 |
44 | Locked | QAM256 | 651000000 Hz | 7.2 dBmV | 41.0 dB | 0 | 0 |
45 | Locked | QAM256 | 681000000 Hz | 6.4 dBmV | 41.0 dB | 1043 | 1622 |
46 | Locked | QAM256 | 687000000 Hz | 6.7 dBmV | 40.9 dB | 0 | 0 |
47 | Locked | QAM256 | 693000000 Hz | 6.7 dBmV | 41.0 dB | 0 | 0 |
48 | Locked | Other | 850000000 Hz | 5.3 dBmV | 37.8 dB | 1144161480 | 0 |
Here is my updated upstream signal:
Channel | Channel ID | Lock Status | US Channel Type | Frequency | Width | Power |
1 | 1 | Locked | SC-QAM Upstream | 16400000 Hz | 6400000 Hz | 42.0 dBmV |
2 | 2 | Locked | SC-QAM Upstream | 22800000 Hz | 6400000 Hz | 41.0 dBmV |
3 | 3 | Locked | SC-QAM Upstream | 29200000 Hz | 6400000 Hz | 41.0 dBmV |
4 | 4 | Locked | SC-QAM Upstream | 35600000 Hz | 6400000 Hz | 40.0 dBmV |
5 | 5 | Locked | SC-QAM Upstream | 40400000 Hz | 1600000 Hz | 37.0 dBmV |
Here are my event logs after rebooting the modem:
02/17/2021 15:43 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 4; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 22; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 84020300 | 5 | "MDD message timeout;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 74010100 | 6 | "CM-STATUS message sent. Event Type Code: 22; Chan ID: 48; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 84000500 | 3 | "SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 67061600 | 6 | "DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 68001102 | 3 | "Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 15:42 | 73040200 | 3 | "TLV-11 - Illegal Set operation failed;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:00 | 2436694066 | 6 | "Honoring MDD; IP provisioning mode = IPv6" |
01/01/1970 00:00 | 82000200 | 3 | "No Ranging Response received - T3 time-out;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:00 | 84000100 | 3 | "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 00:26 | 68001102 | 3 | "Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 00:26 | 73040200 | 3 | "TLV-11 - Illegal Set operation failed;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:00 | 82000200 | 3 | "No Ranging Response received - T3 time-out;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:00 | 84000100 | 3 | "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 00:25 | 2436694044 | 3 | "Resetting the cable modem due to docsDevResetNow" |
02/17/2021 00:17 | 84000500 | 3 | "SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 00:16 | 68001102 | 3 | "Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
02/17/2021 00:16 | 73040200 | 3 | "TLV-11 - Illegal Set operation failed;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:02 | 82000200 | 3 | "No Ranging Response received - T3 time-out;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:01:5c:62:1c:94;CM-QOS=1.1;CM-VER=3.1;" |
01/01/1970 00:01 | 84000100 | 3 | "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=b0:da:f9:2b:44:b9;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;" |
Can anyone from Xfinity chime in and see if my above signal and error log look fine? Thanks.
Hello, @Luigi8503! I wanted to let you know I sent you a Private Message back about your service.
You're welcome! We look forward to chatting with you.