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gvh1234
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Could I get a quick diagnosis based on these logs? Lost MDD Timeout

Hi there

I've woken up to no connection from my Hub3 here in Southampton.
I've rebooted, then done a Reset button. Still no good.

I've had this Hub and M200 for over a year and have woken up about 5 times to no connection. A reboot has always solved it but this time I'm dead in the water.
Hopefully I've pasted everything an expert would need.
Many Many thanks for any help

Gareth

Lost MDD Timeout

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
330750000
Locked
Ranged Upstream Channel (Hz)
39400000
Locked
Provisioning State
Online

 

 

Downstream bonded channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

13307500002.235256 qam25
22187500004.133256 qam11
3226750000433256 qam0
42347500003.934256 qam13
52427500003.533256 qam14
62507500003.232256 qam15
7258750000334256 qam16
8266750000332256 qam17
92747500002.932256 qam18
10282750000333256 qam19
11290750000332256 qam20
122987500002.732256 qam21
13306750000233256 qam22
143147500001.732256 qam23
15322750000233256 qam24
163707500002.434256 qam26
173787500002.433256 qam27
183867500002.532256 qam28
193947500002.932256 qam29
204027500002.933256 qam30
214107500002.932256 qam31
224187500002.432256 qam0
234267500002.233256 qam33
24434750000234256 qam34



Downstream bonded channels

Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors

1Locked35838417502321424
2Locked33.379853384223695
3Locked33.455485884468583
4Locked34.4761765088693359
5Locked3396078384071075
6Locked32.946338984569609
7Locked34.37113787613793705
8Locked32.6196633083067433
9Locked32.520497984824489
10Locked33.96899153114489211
11Locked32.527098984765597
12Locked32.619348384844133
13Locked33.86504965418592516
14Locked32.623027384808773
15Locked33.87186460411066947
16Locked34.3245338933144109
17Locked33.86982910614713612
18Locked32.623570684789421
19Locked32.617819284863876
20Locked33.86498813919124272
21Locked32.626428884768392
22Locked32.515629484888440
23Locked33.85524546021891870
24Locked34.3749783848397521

 

Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

13940000041512064 qam4
25370000042512064 qam2
34620000041.5512064 qam3
43260000041.3512064 qam5



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0010
2ATDMA0000
3ATDMA0020
4ATDMA0000



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gvh1234
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

Primary Downstream Service Flow

SFID43218
Max Traffic Rate230000061
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID43217
Max Traffic Rate22000061
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst42600
Scheduling TypeBestEffort
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mpmc
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Message 3 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

I'm no expert but holy RS errors batman. RS errors are a normal thing to see but i'm pretty sure they shouldn't be that high, yikes!


VM 350 RFoG Hub3 modem mode with Raspberry Pi 4 2G running Openwrt.

My Broadband Ping - VM
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Z92
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Message 4 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

Can you post the network log as well as it seems that something is seriously wrong with your connection if that's just been rebooted.

Check all connections inside and out are tight also.

 

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jpeg1
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Message 5 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

That's all coax connections including those to TV box/es.

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gvh1234
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

The only reason I haven't replied is that a few hours ago my account page said there was a known fault in the area.
Now I await news.

Meanwhile the router is in limbo with a green light on and it's web site says it's Updating, not sure I believe it though. So I can't even get you the logging!

Thanks for the replies

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-tony-
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Message 7 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

as said above the rs errors are off the scale but to make sure they are not historical reboot the hub or zero them [possible on some hubs] and see if the rise again - post the new levels in a few hours

____________________

Tony.
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jem101
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Message 8 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

Forget about the errors, they are just symptomatic of the real problem which is the S/N ratio is too low across the downstream channels for a reliable connection. And the reason for that is a bad cable joint, damaged cable, failing amp in the cabinet or a more general area fault which seems to be in play now. Unfortunately other than check the cabling, there's very little you can do until the fault is cleared - then if you still have issues, VM can take it from there.

gvh1234
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

Network Log

Time Priority Description

23/08/2021 11:55:9noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:55:6Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:55:6noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:54:34Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:54:31noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:53:29Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:53:26Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:51:49Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:51:47Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:51:27Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:51:22Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:49:1Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:49:1noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:48:53Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:48:51Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:45:31Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:45:27Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:45:3Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:45:0Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
23/08/2021 11:44:10Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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gvh1234
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Message 10 of 37
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Re: Could I get a quick diagnosis based on these logs? Lost MDD Timeout

...aaand we're back

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