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Topic # 222744 26-Aug-2017 23:44
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Hi all,

Wondering if you great people can help me with an issue I have with our spark adsl connection?

I'll start the story last month where we have a strange line fault that when somebody rang us up, they got one ring, some really weird sound, and then the line was hung up...
This was traced to moisture in a connection somewhere and I thought that this cure our dsl at the same time, but it seems not...

Now while we don't seem to get disconnections, we seem to have times where there is no internet (either via wifi or Ethernet) I can't ping anything via ip such as 4.2.2.2 or 8.8.8.8 or access any service via tcp, up or icmp
These times seem to co-inside with the peek hours..
Now spark have investigated the line, we have done multiple isolation tests, I have bought another router on the advice of spark and they say there is no fault on there system and the DSLAM is ok..
but still we are having major times where nobody can access the internet... repowering the router makes no difference or even changing it over for the other one makes no difference
Performing a traceroute shows that it is getting to the router but no further...

Now I have no idea if living in a rural location (Kaipara flats) makes any difference to this

Now I confess, I'm getting really annoyed at spark and having to pay for a service that doesn't work.. so can anybody shine any light onto this or offer any advice please?

Regards Rob

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  Reply # 1853161 27-Aug-2017 08:03
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Where's @peterreader when you need him


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  Reply # 1853168 27-Aug-2017 08:28
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RunningMan:

 

Where's @peterreader when you need him

 

 

hes been AWOL lately when it comes to these sorts of threads


gzt

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  Reply # 1853173 27-Aug-2017 08:41
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Replaced the existing adsl filter at the time you got the new modem?



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  Reply # 1853182 27-Aug-2017 09:27
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Yup,
inline filters and house wiring have been replaced by spark.

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  Reply # 1853188 27-Aug-2017 09:57
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What is the house wiring like - what have Chorus done to it?

 

Is there a master filter, or are you using plug in filters?

 

Can you post the modem xDSL line stats - attenuation, noise margin and sync rate?


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  Reply # 1853231 27-Aug-2017 12:08
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Remove the line filters and get a master filter installed

 

Linux





Ex JohnR VodafoneNZ 17 years 4 days

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  Reply # 1853238 27-Aug-2017 12:41
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This sounds like a typical issue i have noticed lately.

 

 

 

Suspect it relates to ddDLM adjusting lines down, and some modem chipsets not handling error rates too well.

 

DM me your line number, I'll look over the checks that have been done on your line.

 

 

 

Few theories this could relate to are definitely on the list, but obviously i do require more details.

 

Past this, without things like line stats, everyone here can simply shoot options to consider out there.

 

 





#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.




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  Reply # 1853360 27-Aug-2017 19:07
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Ok here's the adsl values from my router...


Line standard adsl2+
Channel type interleaved
Downstream line rate 6947
Upstream line rate 1069
Downstream Snr 6.3
Upstream Snr 6.4
Downstream line attenuation 48.5
Upstream attenuation 22
Downstream output power 0
Upstream output power 10.6
Downstream crc 120
Upstream crc 12
Downstream fec 9072252
Upstream fec 2480318


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  Reply # 1853362 27-Aug-2017 19:10
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what is the uptime for those stats?


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  Reply # 1853369 27-Aug-2017 19:28
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Two things stand out to me from those stats:

 

1) 48dB downstream attenuation - that is really high - there's either a significant cable fault, or (more likely if rural), you're just on a very long line. This will limit how quick the connection will perform.

 

2) Very high number of FEC errors, but as @jase2985 points out, it would be helpful to know the timeframe.

 

The combination does suggest a physical line issue - whether this is inside our outside your property remains to be seen.

 

Have you sent a PM to @hio77 - he really can help you out with this!




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  Reply # 1853370 27-Aug-2017 19:29
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System uptime 1 day 22 hours 47 minutes, 47 seconds

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  Reply # 1853372 27-Aug-2017 19:30
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have you tried the connection with out the plug in filters?




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  Reply # 1853374 27-Aug-2017 19:34
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They are hard wired..

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  Reply # 1853401 27-Aug-2017 19:51
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does your modem only work in one phone point? if not try other ones and see if its better


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  Reply # 1853402 27-Aug-2017 19:53
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you are also getting 3230 FEC errors per minute or 54 per second. thats horrible.


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