[Snap] Youtube buffering really bad despite getting "full speed"

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Huskie

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Topic # 164317 5-Feb-2015 11:18

Hi guys,

I've been having and issue with Youtube for some time now (ever since I went from VDSL > Fibre). At first it was great and I was watching at 720p always, then it would start going 480p on some videos...and now I'm buffering at 240p on a 100/20 connection. Manually selecting 480p takes forever to load the video, and 720p just gets stuck on loading. My speedtests are fine and it seems to be only Youtube that's affected...which means it's probably not a Snap issue?

I have seen the Youtube chart which shows Snap as being Standard Definition only which disappointed me a little, but as long as I was getting at least 480p I wasn't too worried...240p however is getting on my nerves.

The same thing is happening on all my devices - desktop (which is on cable), laptop and tablet (on wireless) but as said, seems to be limited to Youtube.

Is anyone else having similar issues and have resolved it?
Perhaps I should change DNS servers? Have tried the Google DNS but not much improvement.

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Reply # 1231601 5-Feb-2015 11:18

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.

timmmay

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Reply # 1231649 5-Feb-2015 11:50

Just for reference Youtube works fine for my occasional viewing on Snap fiber in Wellington. I can watch in any quality I like.

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michaelmurfy

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Reply # 1231659 5-Feb-2015 12:03

Right lets test this with Taylor Swift, because she is epic.

Lets click this badboy, ohhhh yeah! Chills are going down my body: http://gyazo.com/40219704d98b16e9f9f721528a9c07a2

Oh crap, I need to see Taylor in HD - lets bump it up to 1080p: http://gyazo.com/83dffce06cabc6c619830307f6e6d5fc

I love my Snap 200/200 plan. Is there a possibility your upload might be getting saturated? I've never had a problem with it.

Edit: Here is a 4K Speedtest:

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YJ

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Reply # 1231719 5-Feb-2015 13:12

I think i got the same problems, youtube buffering worse than before. FYI, i am on fiber with different ISP.

unsignedint

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Reply # 1231728 5-Feb-2015 13:35

Are you running with IPv6 enabled by any chance? If so, try to disable it (it will be in your fritz box settings) and see if that helps... it made a big difference for me!

RalphFromSnap

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Reply # 1231735 5-Feb-2015 13:58

Hi Huskie,

Can you do test for us, if you have Google Chrome installed can you play a video and open the Development Tools (Tools Menu, More Tools, Development Tools) click on network and then paste back here which URL the video is pulling its content from?

It should look something like https://r2---sn-no52-jijl.googlevideo.com

Can you then ping that URL from your computer and paste what IP Address this comes back as? Can you also post your location. we want to make sure that you are being served from correct regional cache on our network. You should actually not have any issue playing 4k from any of our regional nodes, but we have occasionally seen some content come from incorrect nodes from far away overseas.

Sorry if this is a little technical then just give our helpdesk a call :)

Thanks,
TheRalph

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Huskie

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Reply # 1231779 5-Feb-2015 15:43

RalphFromSnap: Hi Huskie,

Can you do test for us, if you have Google Chrome installed can you play a video and open the Development Tools (Tools Menu, More Tools, Development Tools) click on network and then paste back here which URL the video is pulling its content from?

It should look something like https://r2---sn-no52-jijl.googlevideo.com

Can you then ping that URL from your computer and paste what IP Address this comes back as? Can you also post your location. we want to make sure that you are being served from correct regional cache on our network. You should actually not have any issue playing 4k from any of our regional nodes, but we have occasionally seen some content come from incorrect nodes from far away overseas.

Sorry if this is a little technical then just give our helpdesk a call :)

Thanks,
TheRalph

Hi,

I've done the above, though I'm not sure which URL to ping? I pasted the whole thing below... I tried pinging only the https://r15---sn-ntq76n7z.googlevideo.com/ part through cmd but it says "Ping request could not find host https://r15---sn-ntq76n7z.googlevideo.com. Please check the name and try again."

Location : Christchurch

URL

RalphFromSnap

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Reply # 1231818 5-Feb-2015 16:31

Hi Huskie

Thanks for this, can you ping just (without the https) r15---sn-ntq76n7z.googlevideo.com

Thanks,
TheRalph

Snap

0800 BROADBAND (276 232)
www.snap.net.nz

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Snap Internet on Facebook

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^RO Ricky - Technical Lead
^AT Ashleigh - Retail Marketing Coordinator

yitz

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Reply # 1231822 5-Feb-2015 16:43

ip=2406%3Ae007%3A1297%3A1%3A78a4%3A2b3c%3A4265%3A2304

^ Looks like you're connecting via IPv6

freitasm

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Reply # 1231833 5-Feb-2015 17:16

And make sure you are not testing over WiFi.

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Huskie

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Reply # 1231847 5-Feb-2015 18:05

Odd - they told me they turned my IPV6 off last time (when I had a different issue). Have turned it off myself again now.
I test on my main computer which uses cable :)

Ping results:

Pinging r15.sn-ntq76n7z.googlevideo.com [2404:6800:4006:3::14] with 32 bytes of
data:
Reply from 2404:6800:4006:3::14: time=39ms
Reply from 2404:6800:4006:3::14: time=39ms
Reply from 2404:6800:4006:3::14: time=40ms
Reply from 2404:6800:4006:3::14: time=39ms

Ping statistics for 2404:6800:4006:3::14:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 39ms, Maximum = 40ms, Average = 39ms

Huskie

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Reply # 1231848 5-Feb-2015 18:07

Woops - sorry pasted the wrong one - heres with ipv6 off:

Pinging r1.sn-5uaezns7.googlevideo.com [74.125.7.166] with 32 bytes of data:
Reply from 74.125.7.166: bytes=32 time=212ms TTL=52
Reply from 74.125.7.166: bytes=32 time=211ms TTL=52
Reply from 74.125.7.166: bytes=32 time=211ms TTL=52
Reply from 74.125.7.166: bytes=32 time=211ms TTL=52

Ping statistics for 74.125.7.166:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 211ms, Maximum = 212ms, Average = 211ms

SCM

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Reply # 1231864 5-Feb-2015 19:22

Youtube is working fine for me on my Snap nADSL, can watch 1080p with no issues...

yitz

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Reply # 1231900 5-Feb-2015 20:15

One person supports this post

What does redirector.c.youtube.com/report_mapping return?

Huskie

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Reply # 1231903 5-Feb-2015 20:22

Am I supposed to click that?

111.69.142.204 => snap-chc2 (111.69.136.0/21)

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