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MarcinR
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Lost MDD Timeout errors , Slow Speeds

Hi there,

Having some speed issues (around 10Mbit instead of 100). Logged into my router and noticed many of Lost MDD Timeout errors in Log file.

Router stats:

Downstream   DS-1 DS-2 DS-3 DS-4 DS-5 DS-6 DS-7 DS-8

Frequency (Hz)218750000226750000234750000242750000250750000258750000266750000274750000
Lock Status(QAM Lock/FEC Sync/MPEG Lock)LockedLockedLockedLockedLockedLockedLockedLocked
Channel ID7891011121314
Modulation256QAM256QAM256QAM256QAM256QAM256QAM256QAM256QAM
Symbol Rate (Msym/sec)6.9520006.9520006.9520006.9520006.9520006.9520006.9520006.952000
Interleave DepthI=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
I=12
J=17
Power Level (dBmV)4.674.374.134.264.464.404.063.72
RxMER (dB)32.0731.5437.6437.9438.2638.2638.2638.26
Pre RS Errors
54657761108550982325521996120113011577
Post RS Errors
192219525317299273296324309299

 

Upstream   US-1 US-2 US-3 US-4

Channel Type2.02.0N/AN/A
Channel ID4547N/AN/A
Frequency (Hz)4620000032600000N/AN/A
Ranging StatusSuccessSuccessN/AN/A
Modulation64QAM64QAMN/AN/A
Symbol Rate (Sym/sec)51200005120000N/AN/A
Mini-Slot Size44N/AN/A
Power Level (dBmV)44.0044.75N/AN/A
T1 Timeouts0000
T2 Timeouts0000
T3 Timeouts483700
T4 Timeouts0000

 

Network Log

First TimeLast TimePriorityError NumberDescription
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out
16/01/2017 10:45:44 GMT16/01/2017 10:45:44 GMTCritical (3)82000200No Ranging Response received - T3 time-out

 

Date Time Error Number Error Description

16/01/201710:53:41 GMT84020200 
16/01/201710:53:41 GMT84020200 
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout
16/01/201710:53:41 GMT84020200Lost MDD Timeout

 

Please let me know what you think.

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Forum Team
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Re: Lost MDD Timeout errors , Slow Speeds

Morning MarcinR,

 

Thanks for posting and welcome to the community.

 

Sorry to read that you are having issues with your broadband connection.

 

In regards to the time-outs within the router, these are showing as the same time-stamp. If you can reset these and monitor to see if they appear again please, then re-post the network log, that would be great. On the downstream, 2 channels were showing as low Modem SNR (signal to noise ratio), however this is now showing as within range, which is good.

 

With the slow speeds, there is a high peak time traffic fault in your area which is causing slow speeds. The reference number is F004934267 and has a review date of 12th April. Do you only notice these speeds at peak hours or can it be at any time? Are you testing through a wired or wireless connection?

 

Let me know how you get on

Sam


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