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AliJ1985
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Intermittently dropping connection for short periods

Hello all,

I hope you can help. My internet connection drops intermittently, only for 20sec or so, but I'm working from home and it happens during video calls. It happens on several devices and when I'm hardwired to the hub. I've done all the usual checked connections, reset, reposition the hub etc. 

I have accessed hub details and log. Here's the output. Sorry, its' crudely pasted in. I see there are plenty of things being logged. Hopefully, someone with better knowledge of these things can help decipher if there is a problem and advise what to do next. Your help is really appreciated! Thanks, AliJ1985

22/02/2021 04:53:1

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

21/02/2021 04:24:58

Error

DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

19/02/2021 17:22:44

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

19/02/2021 10:20:14

notice

LAN login Success;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

19/02/2021 10:15:42

Warning!

LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

18/02/2021 11:31:40

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

17/02/2021 21:19:33

Warning!

LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

17/02/2021 13:57:10

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

16/02/2021 11:37:4

Error

DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

13/02/2021 08:20:54

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

12/02/2021 23:37:4

Error

DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

10/02/2021 14:16:7

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

09/02/2021 23:35:36

Error

DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

06/02/2021 14:13:15

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

05/02/2021 10:38:31

Error

DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

05/02/2021 00:43:57

critical

No Ranging Response received - T3 time-out;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

04/02/2021 08:49:4

Warning!

Lost MDD Timeout;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

04/02/2021 08:49:0

critical

SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

04/02/2021 08:48:59

Warning!

RCS Partial Service;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

04/02/2021 08:48:59

critical

SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=***;CMTS-MAC=***;CM-QOS=1.1;CM-VER=3.0;

 

Upstream bonded channels

Channel

Frequency (Hz)

Power (dBmV)

Symbol Rate (ksps)

Modulation

Channel ID

1

39400000

39.3

5120

64 qam

6

2

32600000

39.3

5120

64 qam

7

3

46200000

39.5

5120

64 qam

5

4

25800000

39

5120

64 qam

8




Upstream bonded channels

Channel

Channel Type

T1 Timeouts

T2 Timeouts

T3 Timeouts

T4 Timeouts

1

ATDMA

0

0

1

0

2

ATDMA

0

0

0

0

3

ATDMA

0

0

0

0

4

ATDMA

0

0

11

0

 

Channel

Frequency (Hz)

Power (dBmV)

SNR (dB)

Modulation

Channel ID

1

138750000

9.1

38

256 qam

1

2

146750000

9

38

256 qam

2

3

154750000

9.1

38

256 qam

3

4

162750000

9.3

38

256 qam

4

5

170750000

9.3

38

256 qam

5

6

178750000

9.1

38

256 qam

6

7

186750000

9.1

38

256 qam

7

8

194750000

9

38

256 qam

8

9

202750000

9

38

256 qam

9

10

210750000

9

38

256 qam

10

11

218750000

8.9

38

256 qam

11

12

226750000

8.5

38

256 qam

12

13

234750000

8.3

38

256 qam

13

14

242750000

8.1

38

256 qam

14

15

250750000

7.8

38

256 qam

15

16

258750000

7.3

38

256 qam

16

17

266750000

7.4

38

256 qam

17

18

274750000

7.6

38

256 qam

18

19

282750000

8

38

256 qam

19

20

290750000

8.3

38

256 qam

20

21

298750000

8.3

38

256 qam

21

22

306750000

8

38

256 qam

22

23

314750000

8.5

38

256 qam

23

24

322750000

9

38

256 qam

24




Downstream bonded channels

Channel

Locked Status

RxMER (dB)

Pre RS Errors

Post RS Errors

1

Locked

38.9

27

0

2

Locked

38.9

72

0

3

Locked

38.9

41

0

4

Locked

38.6

44

0

5

Locked

38.9

36

0

6

Locked

38.9

49

0

7

Locked

38.9

31

0

8

Locked

38.9

50

0

9

Locked

38.9

59

0

10

Locked

38.6

25

0

11

Locked

38.6

33

0

12

Locked

38.9

27

0

13

Locked

38.6

29

0

14

Locked

38.9

40

0

15

Locked

38.6

39

0

16

Locked

38.9

51

0

17

Locked

38.9

36

0

18

Locked

38.9

41

0

19

Locked

38.6

21

0

20

Locked

38.9

21

0

21

Locked

38.6

48

0

22

Locked

38.9

67

0

23

Locked

38.9

89

0

24

Locked

38.6

32

0

 

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