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Tuesday, March 19th, 2024 12:28 AM

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Internet Drops Multiple Times Throughout Day

For over a year now, I have been getting these errors in the log and a growing number of uncorrectables that seem to be causing my connection to drop. How can I fix this issue?

Router: Netgear C6300 Firmware: V3.01.14

Time Priority Description
Mar 18 2024 14:40:52 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 18 2024 14:39:53 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out
Mar 18 2024 14:35:35 Critical (3) No Ranging Response received - T3 time-out
Mar 18 2024 14:32:58 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out
Mar 18 2024 14:32:56 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 18 2024 14:31:46 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out
Mar 18 2024 05:13:55 Critical (3) No Ranging Response received - T3 time-out
Mar 18 2024 04:33:28 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 17 2024 14:47:04 Critical (3) No Ranging Response received - T3 time-out
Mar 17 2024 14:42:56 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 17 2024 14:42:56 Critical (3) Ranging Request Retries exhausted
Mar 17 2024 14:42:32 Critical (3) No Ranging Response received - T3 time-out
Mar 17 2024 14:42:28 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 17 2024 14:42:27 Critical (3) Ranging Request Retries exhausted
Mar 17 2024 14:36:27 Critical (3) No Ranging Response received - T3 time-out
Mar 17 2024 14:36:07 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 17 2024 14:36:07 Critical (3) Ranging Request Retries exhausted
Mar 17 2024 14:35:40 Critical (3) No Ranging Response received - T3 time-out
Mar 17 2024 14:35:39 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 17 2024 14:35:39 Critical (3) Ranging Request Retries exhausted
Mar 17 2024 14:33:48 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 16:01:42 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 16 2024 16:00:49 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out
Mar 16 2024 15:56:33 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 15:56:31 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 15:56:31 Critical (3) Ranging Request Retries exhausted
Mar 16 2024 14:12:08 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 14:05:56 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 16 2024 13:27:41 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 13:27:40 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 13:27:40 Critical (3) Ranging Request Retries exhausted
Mar 16 2024 13:27:12 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 13:27:11 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 13:27:11 Critical (3) Ranging Request Retries exhausted
Mar 16 2024 13:26:28 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 12:26:07 Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1
Mar 16 2024 12:25:41 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 12:25:08 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out
Mar 16 2024 12:16:19 Critical (3) No Ranging Response received - T3 time-out
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Mar 16 2024 12:16:06 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted
Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 495000000 Hz Locked
Connectivity State Ok Operational
Boot State Ok Operational
Security Enabled BPI+
IP Provisioning Mode Honor MDD honorMdd(4)

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables UnCorrectables
1 Locked QAM 256 4 405000000 Hz 6.3 dBmV 37.6 dB 266 235
2 Locked QAM 256 5 411000000 Hz 6.5 dBmV 37.3 dB 373 229
3 Locked QAM 256 6 417000000 Hz 6.5 dBmV 37.3 dB 328 218
4 Locked QAM 256 7 423000000 Hz 6.6 dBmV 37.3 dB 379 232
5 Locked QAM 256 8 429000000 Hz 6.5 dBmV 36.6 dB 169 1327
6 Locked QAM 256 9 435000000 Hz 6.3 dBmV 36.6 dB 333 165
7 Locked QAM 256 10 441000000 Hz 6.4 dBmV 36.6 dB 341 1074
8 Locked QAM 256 11 447000000 Hz 6.1 dBmV 37.3 dB 360 61
9 Locked QAM 256 12 453000000 Hz 6.3 dBmV 36.6 dB 344 131
10 Locked QAM 256 13 459000000 Hz 6.0 dBmV 36.6 dB 380 137
11 Locked QAM 256 14 465000000 Hz 5.6 dBmV 36.3 dB 401 48
12 Locked QAM 256 15 471000000 Hz 5.6 dBmV 36.6 dB 384 92
13 Locked QAM 256 16 477000000 Hz 5.6 dBmV 36.6 dB 355 30
14 Locked QAM 256 17 483000000 Hz 5.6 dBmV 36.3 dB 324 26
15 Locked QAM 256 18 489000000 Hz 5.5 dBmV 36.3 dB 327 27
16 Locked QAM 256 19 495000000 Hz 5.5 dBmV 36.3 dB 304 22

Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 1 2560 Ksym/sec 10400000 Hz 33.0 dBmV
2 Locked ATDMA 2 5120 Ksym/sec 16400000 Hz 32.5 dBmV
3 Locked ATDMA 3 5120 Ksym/sec 22800000 Hz 32.3 dBmV
4 Locked ATDMA 5 5120 Ksym/sec 35600000 Hz 32.0 dBmV

Current System Time: Mon Mar 18 16:27:24 2024

Official Employee

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1.8K Messages

1 year ago

Hey @user_th13tu,

 

Thank you for visiting our official Xfinity Community Forums support page. We would be more than happy to assist in troubleshooting your intermittent Internet connectivity issues. Have you had the chance to visit our Tips for troubleshooting your Xfinity Internet connection knowledge base to run over a few things to see if everything was within spec and troubleshooting steps? 

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