U

Visitor

 • 

5 Messages

Tuesday, May 31st, 2022 10:07 PM

Closed

Lose Internet at the same time every day.

Every day, especially on warm days, our Internet connection drops completely at approximately 3:00 pm. This lasts an hour with occasional "ups" during that hour.

Every.

Day.

Same.

Time.

Can someone help with this please?

Expert

 • 

110K Messages

3 years ago

What do the modem's signal stats look like ? Try getting them here; http://192.168.100.1  or here http://10.0.0.1 

Please copy all of the text in its entirety of the *Downstream Power Levels*, the *SNR's* (Signal to Noise Ratios), and the *Upstream Power Level* numbers and paste them into your next post.

Visitor

 • 

5 Messages

3 years ago

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 519000000 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
17 Locked QAM256 519000000 Hz 15.7 dBmV 40.3 dB 32893 47584
1 Locked QAM256 417000000 Hz 16.1 dBmV 40.4 dB 54499 50965
2 Locked QAM256 423000000 Hz 16.3 dBmV 40.4 dB 51073 50950
3 Locked QAM256 429000000 Hz 16.4 dBmV 40.3 dB 49425 49716
4 Locked QAM256 435000000 Hz 16.2 dBmV 40.3 dB 47186 48777
5 Locked QAM256 441000000 Hz 16.1 dBmV 40.2 dB 47878 48548
6 Locked QAM256 453000000 Hz 16.1 dBmV 40.3 dB 41611 48244
7 Locked QAM256 459000000 Hz 16.1 dBmV 40.2 dB 40126 47977
8 Locked QAM256 465000000 Hz 16.6 dBmV 40.3 dB 37744 47730
9 Locked QAM256 471000000 Hz 16.5 dBmV 40.4 dB 38158 46886
10 Locked QAM256 477000000 Hz 16.3 dBmV 40.2 dB 36965 46234
11 Locked QAM256 483000000 Hz 16.1 dBmV 40.3 dB 36517 47705
12 Locked QAM256 489000000 Hz 16.1 dBmV 40.4 dB 34425 47622
13 Locked QAM256 495000000 Hz 16.2 dBmV 40.3 dB 33425 46243
14 Locked QAM256 501000000 Hz 16.2 dBmV 40.3 dB 33069 45270
15 Locked QAM256 507000000 Hz 16.1 dBmV 40.4 dB 32091 45043
16 Locked QAM256 513000000 Hz 16.2 dBmV 40.4 dB 29417 43605
18 Locked QAM256 525000000 Hz 15.5 dBmV 40.1 dB 27915 42490
19 Locked QAM256 531000000 Hz 15.3 dBmV 40.1 dB 28032 42694
20 Locked QAM256 537000000 Hz 15.4 dBmV 40.1 dB 26970 41771
21 Locked QAM256 543000000 Hz 15.5 dBmV 40.3 dB 26496 43507
22 Locked QAM256 549000000 Hz 15.8 dBmV 40.3 dB 25964 43134
23 Locked QAM256 561000000 Hz 15.8 dBmV 40.1 dB 24552 41974
24 Locked QAM256 567000000 Hz 15.5 dBmV 40.2 dB 24268 40984
25 Locked QAM256 573000000 Hz 15.5 dBmV 40.2 dB 24972 43562
26 Locked QAM256 579000000 Hz 15.6 dBmV 40.3 dB 23576 43081
27 Locked QAM256 585000000 Hz 15.8 dBmV 40.3 dB 23273 41930
28 Locked QAM256 591000000 Hz 15.5 dBmV 40.4 dB 259824 297366
29 Locked Other 693000000 Hz 15.4 dBmV 37.8 dB 204557137 2401540
30 Not Locked QAM256 0 Hz 0.0 dBmV 40.4 dB 79679 142730
31 Locked QAM256 597000000 Hz 15.8 dBmV 40.2 dB 21609 40543
32 Locked QAM256 603000000 Hz 15.4 dBmV 40.1 dB 21737 40572


Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 1 Locked SC-QAM Upstream 36500000 Hz 6400000 Hz 44.0 dBmV
2 2 Locked SC-QAM Upstream 30100000 Hz 6400000 Hz 43.0 dBmV
3 3 Locked SC-QAM Upstream 23700000 Hz 6400000 Hz 42.0 dBmV
4 4 Locked SC-QAM Upstream 17300000 Hz 6400000 Hz 40.0 dBmV




Expert

 • 

110K Messages

3 years ago

This may or may not be the root cause of the problem (YMMV) but it should be addressed regardless.

The downstream power is pretty high. It may be over-driving the front-end receiver circuit of the modem. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels.


Is there a drop amplifier on the coax cable line leading to the modem ? If so, try removing / bypassing it and see. If not, you can try installing a -6 dB (forward path only) attenuator pad such as this one to knock that power level down and see;

https://www.amazon.com/FPA6-54-Forward-Attenuator-DOCSIS-Internet/dp/B08KTRC3XZ 

It won't have any effect on the upstream power level which is in spec BTW.

Visitor

 • 

5 Messages

3 years ago

Thanks! I'll give that a try.

Expert

 • 

110K Messages

3 years ago

Uh, try which ? An amp or the attenuator ? Please post back here with how things go.

(edited)

Visitor

 • 

5 Messages

3 years ago

I live in a rental townhouse, so had to do some exploring in the attic. There's an amp on the line but unplugging it killed the signal. I need to find a coupler or splitter to take it out entirely. I will update later. 

Visitor

 • 

5 Messages

3 years ago

I took the amp off (it was a 15dB amp) and installed a splitter.

New signal stats are below. Power appears too low(?) but everything is working fine. No drop today or yesterday but the days have been a little cooler. 90ºF and up is when we definitely see Internet drops.

Connection

The status listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.

Startup Procedure

Procedure

Status

Comment

Acquire Downstream Channel

495000000 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

13

Locked

QAM256

495000000 Hz

-1.7 dBmV

40.0 dB

15110

75812

1

Locked

QAM256

417000000 Hz

-1.4 dBmV

40.0 dB

1822

2357

2

Locked

QAM256

423000000 Hz

-1.2 dBmV

40.1 dB

2857

5232

3

Locked

QAM256

429000000 Hz

-1.4 dBmV

40.0 dB

1646

2761

4

Locked

QAM256

435000000 Hz

-2.0 dBmV

39.8 dB

2617

4357

5

Locked

QAM256

441000000 Hz

-1.7 dBmV

39.9 dB

5235

18375

6

Locked

QAM256

453000000 Hz

-1.6 dBmV

40.0 dB

3044

6067

7

Locked

QAM256

459000000 Hz

-1.6 dBmV

40.0 dB

3132

6886

8

Locked

QAM256

465000000 Hz

-1.1 dBmV

40.1 dB

7302

28470

9

Locked

QAM256

471000000 Hz

-1.1 dBmV

40.0 dB

6623

24861

10

Locked

QAM256

477000000 Hz

-1.5 dBmV

39.9 dB

5736

20158

11

Locked

QAM256

483000000 Hz

-1.6 dBmV

40.0 dB

5680

19856

12

Locked

QAM256

489000000 Hz

-1.5 dBmV

39.9 dB

4268

10211

14

Locked

QAM256

501000000 Hz

-1.6 dBmV

40.0 dB

3888

6104

15

Locked

QAM256

507000000 Hz

-1.7 dBmV

39.9 dB

8836

35321

16

Locked

QAM256

513000000 Hz

-1.6 dBmV

40.0 dB

6267

20952

17

Locked

QAM256

519000000 Hz

-2.1 dBmV

39.9 dB

6730

20825

18

Locked

QAM256

525000000 Hz

-2.0 dBmV

39.8 dB

7689

25371

19

Locked

QAM256

531000000 Hz

-2.0 dBmV

39.8 dB

6409

21495

20

Locked

QAM256

537000000 Hz

-2.2 dBmV

39.8 dB

5492

15450

21

Locked

QAM256

543000000 Hz

-2.0 dBmV

39.8 dB

6426

23138

22

Locked

QAM256

549000000 Hz

-1.8 dBmV

39.8 dB

11761

29391

23

Locked

QAM256

561000000 Hz

-1.9 dBmV

39.6 dB

6514

22397

24

Locked

QAM256

567000000 Hz

-2.1 dBmV

39.9 dB

15069

18205

25

Locked

QAM256

573000000 Hz

-2.3 dBmV

39.8 dB

6355

21579

26

Locked

QAM256

579000000 Hz

-2.5 dBmV

39.7 dB

5785

20016

27

Locked

QAM256

585000000 Hz

-1.9 dBmV

39.9 dB

14769

24587

28

Locked

QAM256

591000000 Hz

-1.9 dBmV

39.9 dB

15964

15899

29

Locked

Other

693000000 Hz

-4.0 dBmV

36.5 dB

2745410854

3093146

30

Not Locked

QAM256

0 Hz

0.0 dBmV

39.9 dB

15719

13625

31

Locked

QAM256

597000000 Hz

-1.7 dBmV

39.7 dB

5970

20318

32

Locked

QAM256

603000000 Hz

-2.5 dBmV

39.6 dB

15260

13993

Upstream Bonded Channels

Channel

Channel ID

Lock Status

US Channel Type

Frequency

Width

Power

1

1

Locked

SC-QAM Upstream

36500000 Hz

6400000 Hz

44.0 dBmV

2

2

Locked

SC-QAM Upstream

30100000 Hz

6400000 Hz

43.0 dBmV

3

3

Locked

SC-QAM Upstream

23700000 Hz

6400000 Hz

42.0 dBmV

4

4

Locked

SC-QAM Upstream

17300000 Hz

6400000 Hz

40.0 dBmV

Current System Time: Sat Jun 4 15:22:07 2022

Expert

 • 

110K Messages

3 years ago

Nope, they are all ok / in spec now as long as they are remaining stable. Hope things hold up for you ! Good luck !

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