"Dynamic Range Window violation"

Router - Google Nest Wifi

Cable Modem - Arris SB8200

Brought my house 7 years ago, and enjoyed perfect internet up until 10ish days ago. Since then I have been getting constant timeouts and random complete disconnections from comcast Service.

On multiple machines wired and wireless continous pings to google.com, comcast gateway, work-vpn and my google wifi gateway; once a timeout happens it would occur on everything at the exact sametime except the ping to my wifi gateway; I believe this tells me everything is good upto the cablemodem, far as interference goes.

Overnight my conitunious pings (with time stamps) come back perfect up until about 8:30am and then constant drops until 11pm, even on weekends. I had 3 different comcast technicions come to my house to check everything but nothing was ever resolved. According to the Techs everything was great, whilst I am still getting timeouts every 10-15 seconds across the board on multiple computers.

My Google Wifi is brand new, and I also purchased an Arris SB33 to validate if my cable modem wasnt the problem. Problem persits on any hardware configuration, even when plugging a laptop directly into the cable modem.. Confirmed it has nothing to do wiht my internal network.

The Xfinity Network Engineer has been checking my node for interference and he says everything is good, and he doesnt see any noise.. and there isnt anything else for him to do. There is no esculation path..

Googling my issue I stumbled onto people with the same Cablem Modems experiencing the same problem, and see the same events displaying in my cablemodems event log. They never show their resolution to the issue other than Comcast or Cox stepping in to resolve.

I have read a hard reset helps with the Dynamic Range Window Vilation, but even after hardreset it comes back.. After a hard reset on my cablemodem and these events came back.. Someone who is more familar with this, are my numbers looking ok? or is there anything else I can do to help my connection?

Please help, this is impacting my kids connections into school, my connection into work, and my gaming connections aftewards.. as mentioned my connection was perfect up unto 2 weeks ago, now an utter nightmare up unto 11pm at night.

Thanks

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Responses

Accepted Solution

Mausama

Frequent Visitor

•

10 Messages

4 years ago

Closing the Loop on this.. that PAD power reducer seemed to smooth out my connection. Thanks for pointing me in the right direction.

EG

Expert

•

111.4K Messages

4 years ago

Can't see your pics. Since you are a new poster, they need to be approved by a Forum Admin. That could take some time. In the interim, you could try hosting them at one of those free third-party pic hosting sites like Imgur or Photobucket and post the link to them here.

Or copy all of the text of the status page and paste it into the body of your next post here.

Mausama

Frequent Visitor

•

10 Messages

4 years ago

Procedure	Status	Comment
Acquire Downstream Channel	675000000 Hz	Locked
Connectivity State	OK	Operational
Boot State	OK	Operational
Configuration File	OK
Security	Enabled	BPI+
DOCSIS Network Access Enabled	Allowed

Downstream Bonded Channels

Channel ID	Lock Status	Modulation	Frequency	Power	SNR/MER	Corrected	Uncorrectables
41	Locked	QAM256	675000000 Hz	10.8 dBmV	40.5 dB	66	0
13	Locked	QAM256	495000000 Hz	9.8 dBmV	41.3 dB	4	0
14	Locked	QAM256	507000000 Hz	9.4 dBmV	41.1 dB	8	0
15	Locked	QAM256	513000000 Hz	9.5 dBmV	41.3 dB	2	0
16	Locked	QAM256	519000000 Hz	9.6 dBmV	41.3 dB	2	0
17	Locked	QAM256	525000000 Hz	9.8 dBmV	41.2 dB	6	0
18	Locked	QAM256	531000000 Hz	10.2 dBmV	41.5 dB	13	0
19	Locked	QAM256	543000000 Hz	10.6 dBmV	41.5 dB	6	0
20	Locked	QAM256	549000000 Hz	10.9 dBmV	41.6 dB	8	0
21	Locked	QAM256	555000000 Hz	10.8 dBmV	41.5 dB	10	0
22	Locked	QAM256	561000000 Hz	10.7 dBmV	41.5 dB	22	0
23	Locked	QAM256	567000000 Hz	10.7 dBmV	41.5 dB	30	0
24	Locked	QAM256	573000000 Hz	10.7 dBmV	41.4 dB	34	0
25	Locked	QAM256	579000000 Hz	11.0 dBmV	41.5 dB	23	0
26	Locked	QAM256	585000000 Hz	11.1 dBmV	41.7 dB	28	0
27	Locked	QAM256	591000000 Hz	11.2 dBmV	41.7 dB	23	0
28	Locked	QAM256	597000000 Hz	11.1 dBmV	41.5 dB	34	0
29	Locked	QAM256	603000000 Hz	11.1 dBmV	41.4 dB	46	0
30	Locked	QAM256	609000000 Hz	11.3 dBmV	41.6 dB	41	0
31	Locked	QAM256	615000000 Hz	11.5 dBmV	41.5 dB	38	0
32	Locked	QAM256	621000000 Hz	11.7 dBmV	41.7 dB	22	0
33	Locked	QAM256	627000000 Hz	11.5 dBmV	41.4 dB	44	0
34	Locked	QAM256	633000000 Hz	11.5 dBmV	41.6 dB	39	0
35	Locked	QAM256	639000000 Hz	11.5 dBmV	41.7 dB	36	0
36	Locked	QAM256	645000000 Hz	11.4 dBmV	41.6 dB	60	0
37	Locked	QAM256	651000000 Hz	11.2 dBmV	41.4 dB	51	0
38	Locked	QAM256	657000000 Hz	11.1 dBmV	41.5 dB	64	0
39	Locked	QAM256	663000000 Hz	11.1 dBmV	41.4 dB	62	0
40	Locked	QAM256	669000000 Hz	11.0 dBmV	41.4 dB	47	0
42	Locked	QAM256	681000000 Hz	10.8 dBmV	41.4 dB	64	0
43	Locked	QAM256	687000000 Hz	11.0 dBmV	41.5 dB	44	0
44	Locked	QAM256	693000000 Hz	11.2 dBmV	41.6 dB	26	0
159	Locked	Other	722000000 Hz	12.9 dBmV	40.8 dB	441093627	0

Upstream Bonded Channels

Channel	Channel ID	Lock Status	US Channel Type	Frequency	Width	Power
1	1	Locked	SC-QAM Upstream	17300000 Hz	6400000 Hz	42.0 dBmV
2	2	Locked	SC-QAM Upstream	23700000 Hz	6400000 Hz	42.0 dBmV
3	3	Locked	SC-QAM Upstream	30100000 Hz	6400000 Hz	42.0 dBmV
4	4	Locked	SC-QAM Upstream	36500000 Hz	6400000 Hz	41.0 dBmV
5	5	Locked	SC-QAM Upstream	41200000 Hz	1600000 Hz	40.0 dBmV

Current System Time: Sat Jan 30 16:15:59 2021

01/30/2021 14:53	2436694061	5	"Dynamic Range Window violation"
01/30/2021 14:53	82001100	5	"RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	2436694061	5	"Dynamic Range Window violation"
01/30/2021 14:53	82001100	5	"RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	2436694061	5	"Dynamic Range Window violation"
01/30/2021 14:53	82001100	5	"RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	73050400	5	"REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	67061600	6	"DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1.;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:02	2436694066	6	"Honoring MDD; IP provisioning mode = IPv6"
01/01/1970 00:01	84000100	3	"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	84020200	5	"Lost MDD Timeout;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	84020200	5	"Lost MDD Timeout;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

Mausama

Frequent Visitor

•

10 Messages

4 years ago

More logs:

Date Time Event ID Event Level Description

01/30/2021 19:47	2436694061	5	"Dynamic Range Window violation"
01/30/2021 19:47	82001100	5	"RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	73050400	5	"REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	67061600	6	"DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1.;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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	84000100	3	"SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:46	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 19:34	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:34	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:33	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:33	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:32	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 19:16	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:16	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00	82000200	3	"No Ranging Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:15	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 18:31	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 18:31	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 18:30	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 14:53	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 14:53	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"

EG

Expert

•

111.4K Messages

4 years ago

The downstream power is on the high side and it may be intermittently fluctuating even higher out of spec . That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels.

Is there an amplifier or a powered splitter on the coax line leading to the modem ? If so, try bypassing it and see.

Mausama

Frequent Visitor

•

10 Messages

4 years ago

I also have T3 Timeouts, and here are pings to www.comcast.net -t

01/31/2021 14:35	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/31/2021 14:29	74010100	6	"CM-STATUS message sent. Event Type Code: 24; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/31/2021 14:29	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:02	68000403	4	"ToD request sent - No Response received;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:02	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	74010100	6	"CM-STATUS message sent. Event Type Code: 16; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	2436694061	5	"Dynamic Range Window violation"
01/01/1970 00:01	82001200	5	"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	2436694061	5	"Dynamic Range Window violation"
01/01/1970 00:01	82001200	5	"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	2436694061	5	"Dynamic Range Window violation"
01/01/1970 00:01	82001200	5	"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	2436694061	5	"Dynamic Range Window violation"
01/01/1970 00:01	82001200	5	"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	73050400	5	"REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	2436694061	5	"Dynamic Range Window violation"
01/01/1970 00:01	82001200	5	"RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	67061600	6	"DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1.;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	73000200	3	"REG RSP not received;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	68000401	5	"ToD request sent - No Response received;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:01	68000401	5	"ToD request sent - No Response received;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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	82000500	3	"Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/31/2021 12:49	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/31/2021 12:49	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:47	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:46	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 19:34	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:34	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:33	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:33	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:32	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 19:16	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:16	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/01/1970 00:00	82000200	3	"No Ranging Response received - T3 time-out;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;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=8c:61:a3:c5:29:ed;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 19:15	2436694044	3	"Resetting the cable modem due to docsDevResetNow"
01/30/2021 18:31	68001102	3	"Config File Rejected due to Invalid or Unexpected TLV 11 encoding;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"
01/30/2021 18:31	73040200	3	"TLV-11 - Illegal Set operation failed;CM-MAC=8c:61:a3:c5:29:ed;CMTS-MAC=2c:0b:e9:15:2b:1f;CM-QOS=1.1;CM-VER=3.1;"

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Mausama

Frequent Visitor

•

10 Messages

4 years ago

There is no amps, but 1 splitter splitting to the cable TV.. I bypassed the splitter and the cable from outside is directly plugged into the cable modem. It looks like the downstream power increased... How can we adjust or dampen this power output?

41	Locked	QAM256	675000000 Hz	12.8 dBmV	41.1 dB	600	2323
13	Locked	QAM256	495000000 Hz	11.4 dBmV	41.1 dB	206	715
14	Locked	QAM256	507000000 Hz	11.1 dBmV	41.1 dB	208	658
15	Locked	QAM256	513000000 Hz	11.4 dBmV	41.3 dB	197	650
16	Locked	QAM256	519000000 Hz	11.2 dBmV	41.3 dB	171	644
17	Locked	QAM256	525000000 Hz	11.2 dBmV	41.0 dB	194	617
18	Locked	QAM256	531000000 Hz	11.6 dBmV	41.2 dB	224	631
19	Locked	QAM256	543000000 Hz	12.1 dBmV	41.3 dB	174	691
20	Locked	QAM256	549000000 Hz	12.4 dBmV	41.5 dB	187	676
21	Locked	QAM256	555000000 Hz	12.6 dBmV	41.6 dB	210	688
22	Locked	QAM256	561000000 Hz	12.7 dBmV	41.5 dB	214	698
23	Locked	QAM256	567000000 Hz	12.8 dBmV	41.5 dB	239	654
24	Locked	QAM256	573000000 Hz	12.9 dBmV	41.6 dB	212	765
25	Locked	QAM256	579000000 Hz	13.2 dBmV	41.4 dB	191	734
26	Locked	QAM256	585000000 Hz	13.5 dBmV	41.7 dB	221	718
27	Locked	QAM256	591000000 Hz	13.6 dBmV	41.8 dB	199	609
28	Locked	QAM256	597000000 Hz	13.4 dBmV	41.8 dB	213	598
29	Locked	QAM256	603000000 Hz	13.3 dBmV	41.4 dB	180	568
30	Locked	QAM256	609000000 Hz	13.5 dBmV	41.6 dB	201	538
31	Locked	QAM256	615000000 Hz	13.7 dBmV	41.6 dB	159	523
32	Locked	QAM256	621000000 Hz	13.8 dBmV	41.8 dB	191	490
33	Locked	QAM256	627000000 Hz	13.6 dBmV	41.6 dB	195	469
34	Locked	QAM256	633000000 Hz	13.7 dBmV	41.5 dB	185	454
35	Locked	QAM256	639000000 Hz	13.6 dBmV	41.6 dB	204	459
36	Locked	QAM256	645000000 Hz	13.5 dBmV	41.6 dB	185	481
37	Locked	QAM256	651000000 Hz	13.2 dBmV	41.6 dB	193	468
38	Locked	QAM256	657000000 Hz	13.2 dBmV	41.5 dB	206	463
39	Locked	QAM256	663000000 Hz	13.2 dBmV	41.5 dB	161	515
40	Locked	QAM256	669000000 Hz	13.1 dBmV	41.6 dB	181	515
42	Locked	QAM256	681000000 Hz	13.1 dBmV	41.3 dB	184	559
43	Locked	QAM256	687000000 Hz	13.4 dBmV	41.6 dB	219	540
44	Locked	QAM256	693000000 Hz	13.6 dBmV	41.5 dB	247	540
159	Locked	Other	722000000 Hz	15.8 dBmV	41.0 dB	8133400	1846

Upstream Bonded Channels

Channel	Channel ID	Lock Status	US Channel Type	Frequency	Width	Power
1	1	Locked	SC-QAM Upstream	17300000 Hz	6400000 Hz	40.0 dBmV
2	2	Locked	SC-QAM Upstream	23700000 Hz	6400000 Hz	46.0 dBmV
3	3	Locked	SC-QAM Upstream	30100000 Hz	6400000 Hz	42.0 dBmV
4	4	Locked	SC-QAM Upstream	36500000 Hz	6400000 Hz	40.0 dBmV
5	5	Locked	SC-QAM Upstream	41200000 Hz	1600000 Hz	38.0 dBmV

Mausama

Frequent Visitor

•

10 Messages

4 years ago

Someone Mentioned using a Pad are those sold locally at any store?

EG

Expert

•

111.4K Messages

4 years ago

Hope things hold up for you. Good luck !! Closing this thread.

Your Home Network

Mausama

"Dynamic Range Window violation"

Mausama

EG

Mausama

Mausama

EG

Mausama

Mausama

Mausama

EG

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