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5418 posts

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#153702 5-Oct-2014 17:35
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Ahoy,

Still having issues with my Netcomm NF4V router randomly dropping DNS. Netcomm support haven't been very helpful - best they have suggested was to change the DNS to 8.8.8.8 and 4.2.2.2, but to no avail. One of their "technicians" also told me that they had a unit in their office, and tens of thousands running around the world as well, with no problems (why they would say that I have no idea).

In order to test if it's something with my Xtra connection or the router itself, can someone on Spark (preferably on VDSL) see if they can load this page, with all images loading quickly? I get two or three loaded, then it just stalls and loads no further. Refreshing doesn't do anything either, nor does powercycling the router.

https://www.flickr.com/photos/eyeconpix/sets/72157594223065826/

Thanks in advance!

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  #1147703 5-Oct-2014 17:35
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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.





5418 posts

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  #1147714 5-Oct-2014 17:36
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Also - if I end up selling this and getting something else, can someone suggest a VDSL router that is reliable and actually works? I've bought Dynalink/Netcomm stuff for years, but I think this is the last time they'll get my money.

 
 
 
 


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  #1147721 5-Oct-2014 17:52
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Hi there, on Spark VDSL in Wellington loads ok for me.  My router is a Draytek Vigor 2760 series.  



Stu

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  #1147723 5-Oct-2014 17:54
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Loading fine for me on VDSL in Auckland.

I had the same problem with the NF4V. Tried a number of things but couldn't find a solution. Bought a new router and before buying a new modem to go with it, I thought I'd try the NF4V in a modem only role. Since using it as just a modem with an Asus RT-AC68U router I've not been seeing the same issue.




Keep calm, and carry on posting.

 

 

 

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  #1147726 5-Oct-2014 17:57
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Interesting BigHammer - but I need a device that does the whole lot in one unit, sadly (due to my current setup). What annoys me is my old NB6Plus4Wn worked just fine without any of this bs (as did the Dynalink router I had before that one!)



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  #1147727 5-Oct-2014 17:58
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And thanks both of you for testing it for me. I might try the Spark-supplied router and see how that goes, as a comparison - I still have it somewhere.

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  #1147732 5-Oct-2014 18:04
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On spark. Their router too. Everyone at home streaming stuff. Loads in a few seconds.




Involuntary autocorrect in operation on mobile device. Apologies in advance.


 
 
 
 




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  #1147736 5-Oct-2014 18:09
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Right, I might leave it until next weekend and look at setting up using the Spark router instead. Very disappointed in Netcomm and their after sales support, I must say.

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  #1147743 5-Oct-2014 18:18
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Always happens on my NF4V. I'm on Orcon ADSL though, and I have to flush dns every now and then.




Home ADSL:                                                             School: 
 




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  #1147751 5-Oct-2014 18:22
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This is what the guy from Netcomm said, that got my back up (I asked if I could roll back to the previous firmware as everything seemed okay until I updated it):

Thanks for your Enquiry to Netcomm Wireless.

Previous firmware has been deleted from all our systems due few known issue on it and all our customers nearly 10K units now operating on this firmware and none has reported this issue.

We have our own device running in our office which is not reporting any issue whatsoever. If there is a issue it should be eliminated once you input the DNS addresses manually.

Could you please provide the screen shot of the DNS configurations.

If you require any further assistance please let us know.

I dunno about you, but those first two paragraphs...grr...

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Ultimate Geek


  #1147761 5-Oct-2014 18:26
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quickymart: This is what the guy from Netcomm said, that got my back up (I asked if I could roll back to the previous firmware as everything seemed okay until I updated it):

Thanks for your Enquiry to Netcomm Wireless.

Previous firmware has been deleted from all our systems due few known issue on it and all our customers nearly 10K units now operating on this firmware and none has reported this issue.

We have our own device running in our office which is not reporting any issue whatsoever. If there is a issue it should be eliminated once you input the DNS addresses manually.

Could you please provide the screen shot of the DNS configurations.

If you require any further assistance please let us know.

I dunno about you, but those first two paragraphs...grr...


Sounds like BS. Have you tried doing "ipconfig /flushdns"? This is what fixes it for me.




Home ADSL:                                                             School: 
 


Stu

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  #1147774 5-Oct-2014 18:35
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That's not a fix, it's a workaround. ;-)




Keep calm, and carry on posting.

 

 

 

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  #1147809 5-Oct-2014 19:01
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Indeed. Thanks for the helpful suggestion - but I can't do that all the time. The darned thing should just work.

I've sent heaps of screenshots, changed DNS to the one they suggested, all to no avail. I'm starting to wonder what their tech support do.



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  #1147833 5-Oct-2014 19:46
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Okay dokay...if I decide to use the Spark-supplied router (it's a Huawei, right?) can someone who is using one of these currently please advise me if it supports the following:

- network sharing (I would guess yes, but I'm a bit cautious after this NF4V business)
- MAC filtering
- Mixed WPA2/WPA-PSK encryption (this is what I have running currently and it works well)
- custom named SSID
- TKIP+AES encryption
- DHCP (devices are assigned an IP address on the network based on their MAC address - I think that's what this is)

?

(others if I think of them)

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  #1147945 6-Oct-2014 01:23
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On VDSL, worked sweet for me, everything loaded pretty much instantly.




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