CM820A connection out of spec?

My xfinity default route stops for a few seconds one to three times per day.

Because of this I've switched my VoIP phones over to my AT&T gateway.

What can I do to get help from xfinity?

2020/09/17_12:25:45 98.234.X.X default DOWN
2020/09/17_12:27:37 98.234.X.X default UP
2020/09/17_12:48:32 98.234.X.X default DOWN
2020/09/17_12:51:24 98.234.X.X default UP
2020/09/17_12:56:27 98.234.X.X default DOWN
2020/09/17_13:00:15 98.234.X.X default UP

Hardware Information

System:

ARRIS DOCSIS 3.0 Touchstone WideBand Cable Modem
HW_REV: 1
VENDOR: Arris Interactive, L.L.C.
BOOTR: 1.2.1.61
SW_REV: 9.1.103M2AS.CT
MODEL: CM820A

RF Parameters

Downstream

DCID

Freq

Power

SNR

Modulation

Octets

Correcteds

Uncorrectables

Downstream 1

645.00 MHz

3.96 dBmV

35.25 dB

256QAM

787933622

7612416

23113

Downstream 2

651.00 MHz

3.83 dBmV

35.25 dB

256QAM

482576984

7707569

26228

Downstream 3

681.00 MHz

3.75 dBmV

35.42 dB

256QAM

482840678

5224202

26795

Downstream 4

687.00 MHz

3.86 dBmV

35.25 dB

256QAM

481265945

4464620

28387

Downstream 5

693.00 MHz

3.93 dBmV

35.60 dB

256QAM

427179005

4124960

34795

Downstream 6

699.00 MHz

3.92 dBmV

35.60 dB

256QAM

454834574

3933105

31908

Downstream 7

705.00 MHz

3.88 dBmV

35.42 dB

256QAM

454571484

3864918

21568

Downstream 8 Upstream

	UCID	Freq	Power	Channel Type	Symbol Rate	Modulation
Upstream 1	8	30.30 MHz	45.75 dBmV	DOCSIS2.0 (ATDMA)	5120 kSym/s	64QAM
Upstream 2	9	36.70 MHz	45.50 dBmV	DOCSIS2.0 (ATDMA)	5120 kSym/s	64QAM
Upstream 3	10	41.20 MHz	42.00 dBmV	DOCSIS2.0 (ATDMA)	1280 kSym/s	64QAM
Upstream 4	7	23.70 MHz	47.00 dBmV	DOCSIS2.0 (ATDMA)	5120 kSym/s	64QAM

717.00 MHz

3.70 dBmV

35.25 dB

256QAM

455484287

3522625

29884

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Responses

eatabuganddie

New Poster

•

2 Messages

5 years ago

This all happened again last night and here is the event log:

DOCSIS(CM) Events

Date Time	Event ID	Event Level	Description
9/20/2020 0:48	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:48	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:48	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:53	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:55	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:55	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:55	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 0:59	82000400	3	Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:02	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:48	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:48	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:49	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:49	82000300	3	Ranging Request Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:49	82000600	3	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;
9/20/2020 1:49	82000200	3	No Ranging Response received - T3 time-out;CM-MAC=00:1d:d4:bd:bd:13;CMTS-MAC=00:01:5c:62:fc:63;CM-QOS=1.1;CM-VER=3.0;

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eatabuganddie

CM820A connection out of spec?

eatabuganddie

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