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6 posts

Wannabe Geek

#195196 9-Apr-2016 20:05
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I live in Christchurch and have been having absurd issues with inconsistent speeds on the Unlimited Vodafone Fibre plan.  
It's manifesting in 2-10sec speed drops from 100+ Mbps to less than 1Mbps, at seemingly random times but at the same exact times my friends get them(also with Vodafone)  
Not sure if this post would get me anywhere, but I'm desperate and Vodafone support is being no help.  
Is anyone else having issues with inconsistent speed in Christchurch on the Vodafone Fibre plan?  
My friends and I, are all on a wired connection and have each tried the typical basic fixes that most people would try(rebooting router, recording logs of disruption) and have come to the conclusion that surely it can not be a Router issue. If you need anymore information on my problem, I will answer asap :) 

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5835 posts

Uber Geek

Lifetime subscriber

  #1529194 9-Apr-2016 20:05
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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:


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.

9800 posts

Uber Geek

Lifetime subscriber

  #1529207 9-Apr-2016 20:13
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are you sure you are on fibre? Vodafone market their cable as UFB as well and ther have been a few people that have been mislead/under the impression they have one but they have the other.


What router do you have? when do the issues happen, time of day etc?


have you logged a fault?


615 posts

Ultimate Geek


  #1529225 9-Apr-2016 20:47
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There's a fair amount of work going in around tech, and as mentioned you're most likely on cable. Feel free to dm me with acct details and I'll check with our network team.

615 posts

Ultimate Geek


  #1529226 9-Apr-2016 20:48
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Sorry, Chch not tech - iPhone auto correct!

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