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Author Topic: Today's shock resync  (Read 2602 times)

renluop

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Re: Today's shock resync
« Reply #15 on: June 04, 2017, 04:34:07 PM »

I've had a go at it, hopefully correctly and successfully! Eric advised me to slim down what data I collect, which I will do, and @d2d4j I'll let the network be as you say.

I'm not sure of the pings' reasons, but have attached them. What is the reason for them?

In passing DSL connection was lost just now and came back with slightly lower speed and new IP address in same series 209.93.*.*. hope that was just a lease renewal and nothing else.
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renluop

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Re: Today's shock resync
« Reply #16 on: June 04, 2017, 04:42:13 PM »

and now this! *7345']
Quote
04 Jun 2017 16:28:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB

04 Jun 2017 16:28:49   IP address is now 209.93.105.215
04 Jun 2017 16:36:51   DSL connection dropped
04 Jun 2017 16:36:51   No DSL connection
04 Jun 2017 16:38:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 16:38:48   IP address is now 209.93.105.238
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d2d4j

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Re: Today's shock resync
« Reply #17 on: June 04, 2017, 04:44:41 PM »

Hi renluop

Many thanks

The dsl connection is maintained by your router - you pc should not be able to directly affect the dsl so it will have been a renewal, as you revived a different external ip.

The pings are not really needed, but confirm the time to router and BBC. If wifi, these would be higher

I hope that helps

Many thanks

John
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renluop

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Re: Today's shock resync
« Reply #18 on: June 04, 2017, 06:53:02 PM »

But this seems an inordinate number of address changes; more often than I change my pants.
Quote
04 Jun 2017 16:05:51   Recording started

04 Jun 2017 16:05:56   IP address is now 209.93.***.**7

04 Jun 2017 16:28:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB

04 Jun 2017 16:28:49   IP address is now 209.93.***.**5
04 Jun 2017 16:36:51   DSL connection dropped
04 Jun 2017 16:36:51   No DSL connection
04 Jun 2017 16:38:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 16:38:48   IP address is now 209.93.***.*3*
04 Jun 2017 16:56:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 16:56:51   IP address is now 46.208.**.**6
04 Jun 2017 17:28:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 17:29:02   Unable to determine IP address
04 Jun 2017 17:30:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 17:32:45   No DSL connection
04 Jun 2017 17:34:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 17:38:45   DSL connection dropped
04 Jun 2017 17:38:45   No DSL connection
04 Jun 2017 17:40:45   No DSL connection
04 Jun 2017 17:42:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 17:44:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 17:56:45   DSL connection dropped
04 Jun 2017 17:56:45   No DSL connection
04 Jun 2017 17:58:45   No DSL connection
04 Jun 2017 18:00:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 18:02:45   No DSL connection
04 Jun 2017 18:04:45   No DSL connection
04 Jun 2017 18:06:45   Unable to collect stats 3 or more times in succession
04 Jun 2017 18:06:45   No DSL connection
04 Jun 2017 18:08:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 18:08:48   IP address is now 147.***.***.155
04 Jun 2017 18:10:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 18:10:48   IP address is now 147.***.***.215
04 Jun 2017 18:12:46   No DSL connection
04 Jun 2017 18:14:45   No DSL connection
04 Jun 2017 18:16:45   Unable to collect stats 3 or more times in succession
04 Jun 2017 18:16:45   No DSL connection
04 Jun 2017 18:18:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 18:22:45   DSL connection dropped
04 Jun 2017 18:22:45   No DSL connection
04 Jun 2017 18:24:45   No DSL connection
04 Jun 2017 18:26:46   DSL connection restored. SNRMup =  dB, SNRMdown =  dB
04 Jun 2017 18:26:48   IP address is now 147.147.***.1**
and this SNR graph with its rapid rise, fall, sync and u/stream interleave from 4 to 1. can all that be normal behaviour? Be thre gremlins somewhere?

And yet another drop and change of IP!!!!
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ejs

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Re: Today's shock resync
« Reply #19 on: June 04, 2017, 07:01:39 PM »

Is the SNRM still tweaked?
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renluop

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Re: Today's shock resync
« Reply #20 on: June 04, 2017, 07:15:47 PM »

Yes @ 4 dB.Not so long ago it gave no trouble @ 3 dB, and that was for months on end!

is there a chance I am using wrong router ports for router to vomputer, and router to HomePlug? billion  says
LAN 1-4
Quote
Connect a UTP Ethernet cable (Cat-5 or Cat-5e) to one of the four LAN ports when
connecting to a PC or an office/home network of 10Mbps /100Mbps /1000Mbps.
Note: 3-port 10/100Mbps switch (port#2-4), and 1-port Gigabit switch(port #1)
« Last Edit: June 04, 2017, 07:26:15 PM by renluop »
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renluop

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Re: Today's shock resync
« Reply #21 on: June 04, 2017, 07:31:57 PM »

Just had an invalid floating point warning. Seems @d2d4j idea was short lived in effectiveness. :rain:
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ejs

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Re: Today's shock resync
« Reply #22 on: June 04, 2017, 07:46:19 PM »

Yes @ 4 dB.Not so long ago it gave no trouble @ 3 dB, and that was for months on end!

If you're going to go down the standard line and broadband fault troubleshooting and reporting steps, I suggest leaving the SNRM alone.
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renluop

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Re: Today's shock resync
« Reply #23 on: June 04, 2017, 08:03:56 PM »

Back to 6 you mean? Ideas what could be causing so many drops, if not too low a target margin? no sign of noise too.
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d2d4j

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Re: Today's shock resync
« Reply #24 on: June 04, 2017, 08:27:57 PM »

Hi renluop

Please confirm your pc network cable is connected directly to the router (not the power line adapter)

Dslstats and/or your pc are not causing your dropouts/resyncs

If your pc is connected by power line adaptors, you need to fully remove these and have a direct network connection from pc to router, as the power line adaptors could be causing the floating point issue (if connected of course). If it is a direct network connection, it would suggest something within your windows or hardware on pc

Many thanks

John
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ejs

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Re: Today's shock resync
« Reply #25 on: June 04, 2017, 08:31:05 PM »

Back to 6 you mean?

Yes, I meant remove any tweaking applied.
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renluop

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Re: Today's shock resync
« Reply #26 on: June 04, 2017, 09:12:46 PM »

Hi renluop

Please confirm your pc network cable is connected directly to the router (not the power line adapter)

Dslstats and/or your pc are not causing your dropouts/resyncs

If your pc is connected by power line adaptors, you need to fully remove these and have a direct network connection from pc to router, as the power line adaptors could be causing the floating point issue (if connected of course). If it is a direct network connection, it would suggest something within your windows or hardware on pc

Many thanks

John

the computer and router have a standard Ethernet cable between them. Another Ethernet cable runs from the router to the powerline adaptor in a nearby wall socket. This through the electric circuit supports IPlayer etc on my Humax Freesat HDR.
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renluop

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Re: Today's shock resync
« Reply #27 on: June 05, 2017, 07:26:34 AM »

A quick check with AM radio revealed pulsation near answerphone base unit. It was at ~ 1 sec intervals, not loud, more like gentle hand clapping, like metronome.

Of any significance?
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tickmike

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Re: Today's shock resync
« Reply #28 on: June 05, 2017, 11:35:52 AM »

Just had an invalid floating point warning.
Can someone tell me what this is and from where.
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d2d4j

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Re: Today's shock resync
« Reply #29 on: June 05, 2017, 12:48:38 PM »

Hi tickmike

It's a mathematical calculation error, usually for rounding or decimal etc

It appears onscreen and not logged in the program which has/had the issue

Dslstats itself does not I believe do any calculations as it's reporting the numbers given to it from the modem (sorry if I'm wrong) but it probably does calculations for the graphs, which is where the floating point error may be happening.

The floating point error is generic term and does not give indication as the where or what caused it. However, it is a mathematical error, ergo has to be caused by calculations

This could be the graphic card, graphing calculations or similar

That said though, if there were a specific bug in dslstats graphing, I would expect it to show on all installation of dslstats where as, if it only appears to happen on 1 or 2 users installations, it is more likely unique to their computer

It could even be that the program needs starting using administrative rights, so it can correctly function due to Windows permissions been different for users/administrators and it's ability to read/write

The above is just a brief outline and others may post more in depth, but a google will bring lots of pages up

The reason for advising a hardwired network is to ensure no interruption to data stream

Many thanks

John
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