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shredward
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Slow speed, lag spikes and dropouts

Every so often I get lag and packet loss on my connection. It's really noticeable in some games where I'll get a huge lag spike (ping goes from 30ms up to 1000s of ms).

I checked the router log and I have '84020200 Lost MDD Timeout' and '84000700 RCS Partial Service' errors.

2017-04-17 15:18:46.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:18:46.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:18:48.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:18:48.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:18:56.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:18:56.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:10.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:10.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:22.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:23.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:24.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:25.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:37.00 84020200 Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
2017-04-17 15:19:39.00 84000700 RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

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Re: Slow speed, lag spikes and dropouts

Sorry to hear about the connection fault experienced shredward,

 

I've located your account and I'm not able to detect any obvious cause for this via the equipment levels or network segment at the moment.

 

What type of connection is causing you trouble, wireless/Ethernet?

 

Speak to you soon,

 

Nat_J


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shredward
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Re: Slow speed, lag spikes and dropouts

On the router status page I had bad SNR levels, but I fixed it myself by rearranging some of the equipment. Specifically, when the cable splitter was resting on the floor it affected the SNR levels and re-positioning it made all the downstream snr levels go back to ~40dB

So, broadband all good now.

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tommey
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Re: Slow speed, lag spikes and dropouts

Why on earth would the cable splitter be resting on the floor surely it should be attached to the wall?

But to be honest it resting on the floor should not effect SNR levels unless there is a bad / loose connection make sure everything it thumb tight and connectors are firmly attached.


This is the poor quality of my Superhub 3 connection Smiley Sad
My Broadband Ping - Vivid 200 Gamer

Fault reported 09/2014 - Fault ticket raised 01/01/15 - Changed to 05/15 -  Changed to 12/08/15 - Changed to 14/10/15 - Changed to 04/11/15 - Changed to 15/04/16 - Changed to 06/07/16 - Changed to 31/09/16 - Changed to 30/11/16 - Changed to 15/02/17 - Changed to 12/07/17 - Changed to 20/09/17 - Changed to 14/06/17 - Changed to 10/01/18 < 3 YEARS SINCE FIRST TICKET

However thanks to BT Fibre Broadband I can actually game without lag Smiley Very Happy
My Broadband Ping - BT FIBRE 80/20

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Re: Slow speed, lag spikes and dropouts

Hello shredward

 

Well done for finding it, at the moment downstream levels/SNR looking good

 

    7.5 dBmV        7.9 dBmV        7.8 dBmV        7.8 dBmV        7.9 dBmV        7.8 dBmV        8 dBmV        8.1 dBmV        8 dBmV        8 dBmV        8 dBmV        8.3 dBmV        8.5 dBmV        8.5 dBmV        8.5 dBmV        9 dBmV        9 dBmV        9 dBmV        9 dBmV        9.3 dBmV
        40.3 dB        40.9 dB        40.3 dB        40.3 dB        40.9 dB        40.3 dB        40.9 dB        40.9 dB        40.9 dB        40.9 dB        40.3 dB        40.3 dB        40.9 dB        40.9 dB        40.3 dB        40.3 dB

 

It does sound a bit of a liability though lol, if you would like an engineer visit to sort it please just ask.

 

Thank you

Nicola

Virgin Media Forum Team
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