Visitor
•
2 Messages
Upstream packet loss and disconnects daily
Been having constant disconnects and upstream packet loss for 4 months now (no wifi, hard wired directly to modem). Contacted support 3-4 weeks ago and they said there was an issue and my area and scheduled a tech to come out. The tech never showed up. Internet is still horrible. Need Comcast to resolve this issue.
Downstream signals:

Upstream signals:

07:09:28
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:11:13
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:11:14
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
07:11:14
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
07:11:14
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
07:11:16
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
07:11:28
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
07:11:28
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:11:28
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:11:42
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:20:26
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:20:28
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
07:20:28
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
07:20:28
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
07:20:30
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
07:20:40
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
07:20:40
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:20:41
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:20:55
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:27:12
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:27:13
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
07:27:13
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
07:27:13
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
07:27:15
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
07:27:27
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
07:27:27
Wed Mar 29 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
07:27:27
Wed Mar 29 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
07:27:42
Wed Mar 29 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
00:35:34
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
00:35:34
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
00:35:34
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
00:35:34
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
00:35:36
Thu Mar 30 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
00:35:48
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
00:35:48
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
00:35:48
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
00:36:03
Thu Mar 30 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
01:18:24
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
01:18:25
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
01:18:25
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
01:18:25
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
01:18:27
Thu Mar 30 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
01:18:38
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
01:18:38
Thu Mar 30 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
01:18:38
Thu Mar 30 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
01:18:53
Thu Mar 30 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:Fixed Initial, 5-42MHz.
Time Not Established
Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
Time Not Established
Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-21.1, 5-85MHz.
Time Not Established
Notice (6) Honoring MDD; IP provisioning mode = IPv6
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
Time Not Established
Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
22:38:08
Thu Apr 6 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
22:38:10
Thu Apr 6 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.2, 258MHz.
22:38:10
Thu Apr 6 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-21.3, 1002MHz.
22:38:10
Thu Apr 6 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change_Ignored:TLV-21.1, 85MHz.
22:38:12
Thu Apr 6 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
22:38:16
Thu Apr 6 2023 Notice (6) Honoring MDD; IP provisioning mode = IPv6
22:38:24
Thu Apr 6 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.2, 108MHz.
22:38:24
Thu Apr 6 2023 Critical (3) CMSTATUS:DS_Diplexer_Mode_Change_Ignored:TLV-84.3, 1002MHz.
22:38:24
Thu Apr 6 2023 Critical (3) CMSTATUS:US_Diplexer_Mode_Change:TLV-84.1, 5-42MHz.
22:38:31
Thu Apr 6 2023 Notice (6) DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
22:38:39
Thu Apr 6 2023 Critical (3) UCD invalid or channel unusable;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.1;
XfinityChelseaB
Official Employee
•
1.9K Messages
2 years ago
Hello @user_92a477! Thanks so much for taking a moment out of your day to leave a post on our community forum. We have received your direct message and will help you there.
0
EG
Expert
•
112.2K Messages
2 years ago
@user_92a477 @XfinityChelseaB
Please circle back here and post any possible solutions for the issue here in the open forums so that all readers here may benefit from the exchange / info. This is in keeping with the spirit for which these public help forums were originally intended. Thank you.
0
user_92a477
Visitor
•
2 Messages
2 years ago
Upgraded to xFi Gateway (XB8) + xFi Complete. Same issue ended up happening and I did some more digging. Found this in the firewall logs and it aligns exactly with when my internet hung for 5-10 seconds.
(edited)
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