losing internet connection over the past month or so.

Over the past month, our connection has been frequently lost requiring a modem reboot. Yesterday, I moved the modem to connect directly to the coax entering the house, so I know it is not an issue with connections within the house or inteference on the long coax line.

Motorola modem:

Device Information

Cable Specification Version	DOCSIS 3.0
Hardware Version	V1.0
Software Version	7420-5.7.1.28

Here are today's errors:

Tue Aug 25 02:07:31 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:29:41 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:29:41 2020	Critical (3)	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:29:41 2020	Critical (3)	16 consecutive T3 timeouts while trying to range on upstream channel 2;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:30:47 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:36:08 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:36:08 2020	Critical (3)	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:36:08 2020	Critical (3)	16 consecutive T3 timeouts while trying to range on upstream channel 0;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:40:17 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 09:44:37 2020	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Time Not Established	Critical (3)	No Ranging Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.0;CM-VER=3.0;
Tue Aug 25 12:05:22 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:05:22 2020	Critical (3)	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:05:22 2020	Critical (3)	16 consecutive T3 timeouts while trying to range on upstream channel 0;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:05:59 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:05:59 2020	Critical (3)	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:05:59 2020	Critical (3)	16 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:10:12 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Time Not Established	Notice (6)	Honoring MDD; IP provisioning mode = IPv6
Tue Aug 25 12:15:05 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:19:25 2020	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:19:36 2020	Critical (3)	No Ranging Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.0;CM-VER=3.0;
Tue Aug 25 12:19:39 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.0;CM-VER=3.0;
Tue Aug 25 12:19:48 2020	Notice (6)	Honoring MDD; IP provisioning mode = IPv6
Tue Aug 25 12:20:44 2020	Critical (3)	Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:21:17 2020	Critical (3)	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;
Tue Aug 25 12:21:28 2020	Notice (6)	Honoring MDD; IP provisioning mode = IPv6
Tue Aug 25 12:21:52 2020	Critical (3)	REG RSP not received;CM-MAC=00:40:36:5d:2c:65;CMTS-MAC=00:01:5c:6f:22:57;CM-QOS=1.1;CM-VER=3.0;

Downstream Bonded Channels

Channel	Lock Status	Modulation	Channel ID	Freq. (MHz)	Pwr (dBmV)	SNR (dB)	Corrected	Uncorrected
1	Locked	QAM256	1	417.0	4.7	41.8	87	34
2	Locked	QAM256	2	423.0	4.7	41.8	85	0
3	Locked	QAM256	3	429.0	4.8	41.9	56	0
4	Locked	QAM256	4	435.0	4.7	41.8	70	0
5	Locked	QAM256	5	471.0	4.8	41.3	52	0
6	Locked	QAM256	6	477.0	4.9	41.7	53	0
7	Locked	QAM256	7	483.0	4.8	41.7	47	0
8	Locked	QAM256	8	489.0	4.9	41.8	50	0
9	Locked	QAM256	9	495.0	4.9	41.8	43	0
10	Locked	QAM256	10	501.0	4.8	41.8	44	0
11	Locked	QAM256	11	507.0	4.8	37.7	41	0
12	Locked	QAM256	12	513.0	4.8	41.7	42	0
13	Locked	QAM256	13	519.0	4.8	41.7	39	0
14	Locked	QAM256	14	525.0	4.9	41.8	37	0
15	Locked	QAM256	15	531.0	4.7	41.5	39	0
16	Locked	QAM256	16	537.0	4.5	41.4	43	0
Total							828	34

Upstream Bonded Channels

Channel	Lock Status	Channel Type	Channel ID	Symb. Rate (Ksym/sec)	Freq. (MHz)	Pwr (dBmV)
1	Locked	ATDMA	4	5120	17.3	41.5
2	Locked	ATDMA	1	5120	36.5	40.0
3	Locked	ATDMA	2	5120	30.1	39.0
4	Locked	ATDMA	3	5120	23.7	39.3

I appreciate any good advice or assistance.

Thank you!

dougman57

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dougman57

losing internet connection over the past month or so.

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