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101 posts

Master Geek


  #1851436 23-Aug-2017 18:51
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There are few things they can do to 'upgrade', assuming this is setup similar to DOCSIS network elsewhere

- Reconfiguring/reallocating frequency for OFDM channels without much hardware changes.

- Adding higher frequencies for more OFDM channels/bandwidth. But that's still a maximum of 10Gb/s downstream with 2.5Gbps upstream for a single node (6x192MHz OFDM DS + 4x96MHz US). This is the total bandwidth shared on your node between all the users.

And this is assuming you've upgraded the ol cable network splitter and everything to handle frequency between 1~1800MHz while most of the existing equipment are only good up to 1000MHz or so.


You can estimate your current node capacity by looking at your modem status page (192.168.100.1) and calculate the amount of channels you've got. You can also see if you even have real DOCSIS 3.1 working depending on if it's using the OFDM channel or not.

Judging from the frequencies, the cable network seems to be using 6MHz channels for DS. So each 6MHz channel with QAM256 is around 42 Mbps.

The OFDM channels, or real DOCSIS 3.1 will show its modulation as 'Other' with a lot of correctable error due to the nature the channel setup.



The other only real upgrade they can do is doing an N+0 node split, which means splitting the node and bringing the fibre backhaul closer (ironic isn't it) to the end user without the any (+1) amplifier. Basically reduce the amount of users sharing the same bandwidth.

Besides the bandwidth issue, there's also the problem of maintaining the Coaxial plant/network eg. the errors around 700MHz might be ingress/interference from 700MHz 4G signals (band 28). The upstream/downstream power balance depends on how many splitter the user has. Closer to 0dBmV the better. + or -7 or more might give you problems, you add or remove splitter/attenuator to increase/decrease the power level.

The SNR depends on the line quality (40+db is good, depending on the QAM you might start dropping connection once you go lower than ~35db).
Upstream power depends on the length of the wire and amount of splitters you have again. Anything over 52dBmV might start giving you problems.

Any changes to the wiring/splitter/devices connected might affect all of the above. Your neighbour's unterminated plug might also affect your signal level too.


Which made sense why vodafone asked UFB to not build or compete in their current cable footprint. Because even with DOCSIS 3.1, cable seems unlikely remain competitive in the long term compare to true FTTH.


mdf

2563 posts

Uber Geek

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  #1854408 28-Aug-2017 22:11
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Sigh. Just experienced the second medium length (20 ish minutes) FibreX outage in two days. It's clearly a long way from the end of the world, but I really hope this isn't a return to the bad old days of ~6 months ago. It had really settled down and been pretty stable until the weekend, though I appreciate other's haven't been so fortunate. 


 
 
 
 




623 posts

Ultimate Geek


  #1861862 10-Sep-2017 15:15
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As of yesterday we've now had fibre for four weeks. The connection has been absolutely solid. I haven't had one single dropout; latency has never increased by more than 2 ms at its worst; and bandwidth is consistently high at all periods of the day.

 

 

I'll still be recommending FibreX to people that can't get proper fibre installed, but I do still hope to see further improvements on the network. At the competitive prices, Vodafone can still have some excellent offerings if they get the occasional performance and stability issues ironed out.


6321 posts

Uber Geek

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  #1861864 10-Sep-2017 15:17
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This thread has been very quiet for the last week or two, Vodafone did do some recent work as well

 

Linux




623 posts

Ultimate Geek


  #1861866 10-Sep-2017 15:24
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Linux:

 

This thread has been very quiet for the last week or two, Vodafone did do some recent work as well

 

Linux

 

 

Yep, seems like it. I think they were doing some firmware upgrades right around the time I switched to fibre, and I think some people have been getting new modems as well?


15144 posts

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  #1861867 10-Sep-2017 15:33
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I have given up, haven't been reporting the issues as I became allergic to the brickwall





Mike
Change Management Consultant
The views stated in my posts are my personal views and not that of any other organisation.

 

He waka eke noa


312 posts

Ultimate Geek


  #1861897 10-Sep-2017 17:24
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I still have frequent issues and dropouts, just sick of caring. Hand on heart, i have had atleast one dropout everyday for at least at least 2 weeks. All I can do is wait for fibre and I'm gone.

 
 
 
 


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  #1861917 10-Sep-2017 18:09
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Island Bay, "FibreX 200":

 

In the past I have had a lot of outages, but none for two months +.  smile

 

OOKLA speed tests remain "good" (near 200/20 Mbps at peak hour), but real world performance remains poor - typically below 50Mbps.  frown

 

No fibre option for another 2 years.  undecided





Sideface


9637 posts

Uber Geek

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  #1861918 10-Sep-2017 18:11
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@sideface you already have a fibre service :P according to the ASA


70 posts

Master Geek


  #1862289 11-Sep-2017 12:11
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Kodiack:

 

Linux:

 

This thread has been very quiet for the last week or two, Vodafone did do some recent work as well

 

Linux

 

 

Yep, seems like it. I think they were doing some firmware upgrades right around the time I switched to fibre, and I think some people have been getting new modems as well?

 

 

My results at least my service is worse since the upgrades.

 

 

 

I'm done, i cant be bothered complaining anymore. If anyone asks me i'll tell them how rubbish not only the product is but more importantly the support.

 

 

 

Its just a waiting game for me till fibre is available in my street and then its bye bye vodafone for me.

 

 

 

 


14490 posts

Uber Geek

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  #1866563 14-Sep-2017 23:35
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Our VDSL has got slower over the last 6 weeks.

 

 

 

Fibre is not scheduled to be here until 2026 so I am not holding my breath; perhaps by 2026, fibre will be the equivalent of copper...!






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Uber Geek

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  #1866564 14-Sep-2017 23:50
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Geektastic:

Our VDSL has got slower over the last 6 weeks.


 


Fibre is not scheduled to be here until 2026 so I am not holding my breath; perhaps by 2026, fibre will be the equivalent of copper...!



@geektastic Not related to this thread check out the VDSL fine tuning thread and what to check this thread is HFC

Linux

9637 posts

Uber Geek

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  #1866583 15-Sep-2017 06:18
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@Geektastic:

 

Our VDSL has got slower over the last 6 weeks.

 

 

 

Fibre is not scheduled to be here until 2026 so I am not holding my breath; perhaps by 2026, fibre will be the equivalent of copper...!

 

 

it cant be scheduled for 2026 as all the current UFB programs are scheduled to be finished by 2022


1759 posts

Uber Geek
Inactive user


  #1867001 15-Sep-2017 16:30
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speshnz:

 

Kodiack:

 

Linux:

 

This thread has been very quiet for the last week or two, Vodafone did do some recent work as well

 

Linux

 

 

Yep, seems like it. I think they were doing some firmware upgrades right around the time I switched to fibre, and I think some people have been getting new modems as well?

 

 

My results at least my service is worse since the upgrades.

 

 

 

I'm done, i cant be bothered complaining anymore. If anyone asks me i'll tell them how rubbish not only the product is but more importantly the support.

 

 

 

Its just a waiting game for me till fibre is available in my street and then its bye bye vodafone for me.

 

 

 

 

 

 

Price I am on for 200/20 is about right after a lot of complaints. I log outages every so often so I can keep on my discounted rate and so that VF know they still have issues.


13 posts

Geek


  #1868807 19-Sep-2017 18:42
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Hi, I'm based in Petone, and vodafone are offering a great deal (not advertised only) for a 200/20 plan on FibreX for $79 per month, with a free 49inch TV.

 

 

 

We are currently paying $99 per month for 200/20 UFB with Bigpipe.

 

 

 

This seems like a great deal, so does anyone have a view on performance in Petone, and whether it's worth switching from UFB to FibreX? They do require a 24 month contract with a $1,200 ETF......


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