Spark High Latency

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Srap

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#153483 28-Sep-2014 19:42

Hi

This has been an Issue for about the last month where latency around 6pm on weekdays and 2pm during the Weekends is higher where I go from pinging Auckland at 17 and bumps up to 50+ms. Obvious it's peak hours but in some cases download speeds seem to drop aswell. But why isn't this even resolved yet. I've had mates displaying similar results during these hours and have phoned up about it, including myself where the staff said they would reset the connection which didn't do anything.

Example

Pinging trademe.co.nz [202.162.73.2] with 32 bytes of data:
Reply from 202.162.73.2: bytes=32 time=79ms TTL=247
Reply from 202.162.73.2: bytes=32 time=76ms TTL=247
Reply from 202.162.73.2: bytes=32 time=77ms TTL=247
Reply from 202.162.73.2: bytes=32 time=72ms TTL=247

I'm currently on Sparks 150gb VDSL Pakage.

Line standard VDSL
Downstream line rate (kbit/s) 32398
Upstream line rate (kbit/s)                10342
Downstream SNR (dB)                      8.8
Upstream SNR (dB)                         10.7
Downstream line attenuation (dB)      14.6
Upstream line attenuation (dB)          30.7
Downstream output power (dBmV)      13.5
Upstream output power (dBmV)          3.9
Downstream CRC                              3544
Upstream CRC                                 27
Downstream FEC                               0
Upstream FEC                                  238

Hoping someone with some technical experience can help with this problem.

Thanks

PeterReader

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#1143085 28-Sep-2014 19:42

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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michaelmurfy

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#1143148 28-Sep-2014 21:20

Stop using WiFi.

Michael Murphy | https://murfy.nz
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Srap

15 posts

Geek
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#1143158 28-Sep-2014 21:41

michaelmurfy: Stop using WiFi.

Delirium

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#1143165 28-Sep-2014 21:55

I've been having the same issues over the last couple of weeks. 80ms pings when I use the Spark speed test and very slow speeds on VDSL in Christchurch. When we first got VDSL installed the connection was excellent, but now it is very different. Going to call Spark tomorrow to try and get some help as I have no idea what to do.

l43a2

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#1143187 28-Sep-2014 22:49

Delirium: I've been having the same issues over the last couple of weeks. 80ms pings when I use the Spark speed test and very slow speeds on VDSL in Christchurch. When we first got VDSL installed the connection was excellent, but now it is very different. Going to call Spark tomorrow to try and get some help as I have no idea what to do.

how slow? post modem stats.

hio77

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#1143223 29-Sep-2014 02:46

sounds possibly like congestion, if this is the case you will have alot of work ahead of yourself to get it sorted (and thats assuming the cause of it is seen as viable to get fixed.)

- Do all your tests over Ethernet.
- Try to keep traffic usage while tests are inplace to a minimum (otherwise you could cause spikes within your own network..)
- Pick key points to test against, zeus.jetstream.co.nz, Trademe, Stuff etc.. Do note if your going to the Wellington or Auckland servers where applicable.

Hopefully that list can start you on your way to looking at it.

I suspect the Spark Staff have assumed DLM profiles increasing causing a higher latency or suspect a reboot will fix it.

In your case, looking at your normal pings, ild say your on an 8ms profile, Which obviously isnt the best if your wanting the lowest ping but pretty reasonable.

as for "slow speeds" (Delirium) far more details are needed. ild recommend a second thread..

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