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Patricia1066
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Hub 3.0 dropping out - Router mode

I have had an engineer visit and had the coax cable replaced from the box on the interior wall to the Hub 3.0 yesterday. The engineer suggested that we replace any old ethernet cables, and I have replaced one long cable that had got twisted. There are no attenuators as the phone line has a separate entrance to the house. No TV package. 

This morning the Network logs were full of critical errors, but I got online with Hub 3.0 in router mode. I did the 200 ping test, and during the test there was a general failure that resolved by the Hub reconnecting and only 5% loss. I want to run the Hub 3 in modem mode, but it seems to "work" and reconnect better in router mode. Or is my observation irrelevant?

Cable Modem Status

Item

Status

Comments

Acquired Downstream Channel (Hz)

266750000

Locked

Ranged Upstream Channel (Hz)

35800019

Locked

Provisioning State

Online

 

 

Network access

Allowed

Maximum Number of CPEs

1

Baseline Privacy

Enabled

DOCSIS Mode

Docsis30

Config file

54k;fg87dsfd;kfoA,.i

 

Channel

Frequency (Hz)

Power (dBmV)

SNR (dB)

Modulation

Channel ID

1

266750000

-2.2

38

256 qam

17

2

194750000

-1

38

256 qam

8

3

202750000

-1.2

38

256 qam

9

4

210750000

-1.5

38

256 qam

10

5

218750000

-1.5

38

256 qam

11

6

226750000

-1.7

38

256 qam

12

7

234750000

-1.9

38

256 qam

13

8

242750000

-2

38

256 qam

14

9

250750000

-2

38

256 qam

15

10

258750000

-2

40

256 qam

16

11

274750000

-2.7

38

256 qam

18

12

282750000

-2.7

38

256 qam

19

13

290750000

-2.7

38

256 qam

20

14

298750000

-2.7

38

256 qam

21

15

306750000

-2.9

38

256 qam

22

16

314750000

-3

38

256 qam

23

17

322750000

-3.5

38

256 qam

24

18

402750000

-3.9

38

256 qam

25

19

410750000

-3.7

38

256 qam

26

20

418750000

-3.7

40

256 qam

27

21

426750000

-3.5

38

256 qam

28

22

434750000

-3.5

38

256 qam

29

23

442750000

-3.7

38

256 qam

30

24

450750000

-3.5

38

256 qam

31

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Patricia1066
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Re: Hub 3.0 dropping out - Router mode

Further info

Downstream bonded channels

Channel

Locked Status

RxMER (dB)

Pre RS Errors

Post RS Errors

1

Locked

38.9

6179

179

2

Locked

38.9

4384

0

3

Locked

38.9

4528

4

4

Locked

38.9

4695

6

5

Locked

38.9

5097

13

6

Locked

38.9

5461

16

7

Locked

38.9

5688

50

8

Locked

38.9

5819

129

9

Locked

38.9

6117

117

10

Locked

40.3

6144

169

11

Locked

38.9

6114

284

12

Locked

38.9

6189

257

13

Locked

38.9

6114

386

14

Locked

38.9

6107

419

15

Locked

38.9

6065

505

16

Locked

38.9

6004

587

17

Locked

38.6

5965

616

18

Locked

38.9

5927

678

19

Locked

38.9

5945

713

20

Locked

40.3

6097

551

21

Locked

38.9

6018

624

22

Locked

38.9

6029

638

 

Channel

Frequency (Hz)

Power (dBmV)

Symbol Rate (ksps)

Modulation

Channel ID

1

35800019

4.475

5120

64 qam

2

2

53700026

4.325

5120

64 qam

4

3

27400017

4.475

5120

64 qam

3

4

45800019

4.475

5120

64 qam

1

 

Channel

Channel Type

T1 Timeouts

T2 Timeouts

T3 Timeouts

T4 Timeouts

1

ATDMA

0

0

0

0

2

ATDMA

0

0

0

0

3

ATDMA

0

0

0

0

4

ATDMA

0

0

0

0

 

SFID

6697

Max Traffic Rate

57500000

Max Traffic Burst

10000

Min Traffic Rate

0

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Patricia1066
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Message 3 of 5
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Re: Hub 3.0 dropping out - Router mode

Another update

Network access

Allowed

Maximum Number of CPEs

1

Baseline Privacy

Enabled

DOCSIS Mode

Docsis30

Config file

54k;fg87dsfd;kfoA,.i

 

Primary Downstream Service Flow

SFID

6697

Max Traffic Rate

57500000

Max Traffic Burst

10000

Min Traffic Rate

0

 

Primary Upstream Service Flow

SFID

2601

Max Traffic Rate

5250045

Max Traffic Burst

16320

Min Traffic Rate

0

Max Concatenated Burst

16320

Scheduling Type

BestEffort

Refresh data

Network Log

Time

Priority

Description

 

 

 

10/09/2019 07:49:55

Warning!

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

10/09/2019 07:49:56

Warning!

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

10/09/2019 07:51:3

Warning!

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

10/09/2019 07:51:4

Warning!

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

10/09/2019 07:51:11

Warning!

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

10/09/2019 07:51:12

Warning!

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

10/09/2019 07:51:31

Warning!

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

10/09/2019 07:51:32

Warning!

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

01/01/1970 00:01:38

critical

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

10/09/2019 09:39:38

Warning!

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

10/09/2019 09:39:43

Warning!

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

10/09/2019 09:39:43

Warning!

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

10/09/2019 09:39:43

Warning!

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

10/09/2019 09:39:44

Warning!

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

10/09/2019 09:39:46

critical

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

10/09/2019 09:39:46

Warning!

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

10/09/2019 09:39:47

critical

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

10/09/2019 09:39:49

Warning!

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

10/09/2019 09:40:25

critical

Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

11/09/2019 05:49:28

critical

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

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Roger_Gooner
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Helpful Answer

Re: Hub 3.0 dropping out - Router mode

Your hub is losing network lock but failing to properly establish it again. Check that all cable connections are tight and call 08005610061 to find out if there is a fault. If you find no problem then call VM to get a technician sent round.

--
Hub 3.0, TP-Link Archer C8, TP-Link TL-SG1008D 8-port gigabit switch, V6
My Broadband Ping - Roger's VM Broadband Connection
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Patricia1066
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Re: Hub 3.0 dropping out - Router mode

The third engineer in a week called today. He took out a noise meter and saw high levels of noise on the line and isolated it to the cabinet . He saw an obvious fault as the wiring in the box is very old and the connection was rusty.

The connector is now replaced and if I get further drop outs they will replace the cable.  

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