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Bobdn

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#148531 22-Jun-2014 13:30

I'm on Telecom VDSL and I used to get rock solid, consistent, download speeds of 29mbs but I see it has now dropped down to 25mbs.  I'm still perfectly happy with the service - pings are the same and excellent, uploads speeds have remained the same (9.5) and I have a great internet experience but I'm just curious:  what would cause download speeds to drop after months of being at the same speed?  Could it be case of more people joining VDSL in my street? 


I live in Porirua.  Am one street away from UFB which is coming to my street shortly (can't wait, so excited, as in its the last thing I think about before going to sleep) and will get it just as soon as it does.  OMG those new Chorus wholesale plans have just come in at the right time. 






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PeterReader
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  #1072035 22-Jun-2014 13:30
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Hello... Our robot found some keywords in your post, so here is an automated reply with some important things to note regarding broadband speeds.

 



 

If you are posting regarding DSL speeds please check that

 



 

- you have reset your modem and router

 


 

- your PC (or other PCs in your LAN) is not downloading large files when you are testing

 

- you are not being throttled by your ISP due to going over the monthly cap

 


 

- your tests are always done on an ethernet connection to the router - do not use wireless for testing

 


 

- you read this topic and follow the instructions there.

 



 

Make sure you provide information for other users to help you. If you have not already done it, please EDIT your post and add this now:

 



 

- Your ISP and plan

 


 

- Type of connection (ADSL, ADSL2, VDSL)

 


 

- Your modem DSL stats (do not worry about posting Speedtest, we need sync rate, attenuation and noise margin)

 


 

- Your general location (or street)

 


 

- If you are rural or urban

 


 

- If you know your connection is to an exchange, cabinet or conklin

 


 

- If your connection is to a ULL or wholesale service

 


 

- If you have done an isolation test as per the link above

 



 

Most of the problems with speed are likely to be related to internal wiring issues. Read this discussion to find out more about this. Your ISP is not intentionally slowing you down today (unless you are on a managed plan). Also if this is the school holidays it's likely you will notice slower than usual speed due to more users online.

 



 

A master splitter is required for VDSL2 and in most cases will improve speeds on DSL connections. Regular disconnections can be a monitored alarm or a set top box trying to connect. If there's an alarm connected to your line even if you don't have an alarm contract it may still try to connect so it's worth checking.

 



 

I recommend you read these two blog posts:

 



 

- Is your premises phone wiring impacting your broadband performance? (very technical)

 


 

- Are you receiving a substandard ULL ADSL2+ connection from your ISP?




I am the Geekzone Robot and I am here to help. I am from the Internet. I do not interact. Do not expect other replies from me.

 

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Batman
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  #1072045 22-Jun-2014 13:43
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Umm ... blame your neighbours?

sbiddle
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  #1072046 22-Jun-2014 13:46
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You can simply join the 20 or so other threads about VDSL2 speeds that have appeared in the last month or so complaining of slowing VDSL2.

One would assume your sync speeds have reduced, which like pretty much every other thread is simply an effect of crosstalk.





Bobdn

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  #1072047 22-Jun-2014 13:50

Fair comment.  I'll google "crosstalk".

Edit: done, thanks for the hint. I'll blame it on crosstalk. 

johnr
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  #1072061 22-Jun-2014 14:32
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Drop in speed as more customers connect to VDSL is to be expected

xpd

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  #1072336 23-Jun-2014 08:15
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So is that why mine has dropped by 7Mbps over the past week ? :)
Was getting 40/10, now getting 33/10.....  feel ripped :-p Nah, Im still happy, 33 is a lot better than the 13 was getting before ;)





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  #1072338 23-Jun-2014 08:17
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In saying that John, is there a threshold where the ISP can/has to stop connecting customers to VDSL, so those paying more for VDSL speed dont end up back at ADSL download speeds ? Or would the ISP just counter with "but your upload is VDSL speed still" ? :)





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hio77
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  #1072339 23-Jun-2014 08:17
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my 60/10 has dropped down to 57/10... i feel robbed.


since i used to be on a 3mbit line, that loss of over 3mbit is huge!


anyone wanna give it back to me? ;)




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hio77
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  #1072341 23-Jun-2014 08:19
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xpd: In saying that John, is there a threshold where the ISP can/has to stop connecting customers to VDSL, so those paying more for VDSL speed dont end up back at ADSL download speeds ? Or would the ISP just counter with "but your upload is VDSL speed still" ? :)



the line used to be very clear cut.


since the big isps have jumped onboard though, it would seem things have gotten way more relaxed however...




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johnr
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  #1072343 23-Jun-2014 08:45
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xpd: In saying that John, is there a threshold where the ISP can/has to stop connecting customers to VDSL, so those paying more for VDSL speed dont end up back at ADSL download speeds ? Or would the ISP just counter with "but your upload is VDSL speed still" ? :)



When VDSL ports run out

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  #1072370 23-Jun-2014 09:19
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Over the weekend, I've had a 2db increase in downstream attenuation, which has equated to my 35mbps down, becoming 24.5mbps. The other VDSL connection in the house is unchanged. If its crosstalk, then I've certainly drawn the short-straw on this one.

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  #1072377 23-Jun-2014 09:28
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fahrenheit: Over the weekend, I've had a 2db increase in downstream attenuation, which has equated to my 35mbps down, becoming 24.5mbps. The other VDSL connection in the house is unchanged. If its crosstalk, then I've certainly drawn the short-straw on this one.


your line attenuation shouldnt change.. certainly not by 2dB..


something sounds off there.




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gundar
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  #1072396 23-Jun-2014 09:47
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joker97: Umm ... blame your neighbours?


or the GoT finale.

hio77
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  #1072397 23-Jun-2014 09:49
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gundar:
joker97: Umm ... blame your neighbours?


or the GoT finale.



wait, that waste of bandwith is over for awhile? 

yis! :P




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fahrenheit
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  #1072398 23-Jun-2014 09:51
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hio77:
your line attenuation shouldnt change.. certainly not by 2dB..


something sounds off there.


Thanks. I might check on the master splitter and then ring Snap if everything still looks good.

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