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Author Topic: Youtube/Facebook Video Slow/Buffering.  (Read 427 times)

Napsterbater

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Youtube/Facebook Video Slow/Buffering.
« on: February 07, 2018, 12:37:51 PM »

Anyone else noticing issues with Youtube and/or Facebook video buffering alot more recently over HE IPv6 Tunnel?

This is on TServ13 Ash1 for me. Tunnel ID: 175140

Note Comcast IPv6 speed test show full 30+mbps (my ISP Subbed Speed) during the issues.

One of the Youtube/Google content servers having an issue, only 300-500kbps from it, r1---sn-vgqskn7z.googlevideo.com / 2607:f8b0:4009:3b::7

Edit: 2nd cotent server, r3---sn-vgqsknes.googlevideo.com   2607:f8b0:4017:32::8  only about 800kbps from it.
« Last Edit: February 07, 2018, 12:39:59 PM by Napsterbater »
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JRMTL

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #1 on: February 07, 2018, 05:59:39 PM »

no issues via nyc4 tunnel which routes youtube via lga    2607:f8b0:4006::/48
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felddy

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #2 on: February 09, 2018, 07:51:28 AM »

For the last couple of weeks I'm seeing the same behavior.  I'm don't think that it is limited to a single youtube host.  Here are the details of what I'm currently seeing:

Tunnel ID: 68971
Endpoint: tserv2.ash1.he.net (216.66.22.2)
Youtube host: r1---sn-a5meknek.googlevideo.com (2607:f8b0:401c:1b::7) 

Very slow to initial buffer, and then large drops in speed.  At times the stream will stop completely. 
I'm coming in from a 100Mbps FIOS connection.  No detectable issues on the IPv4 interfaces.
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Cabal696

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #3 on: February 09, 2018, 12:25:48 PM »

Been having the same issue here with tserv1.phx2 for the past couple weeks. No issues when toggling off IPv6 resolution in Firefox. I'm stringent with setting a max-mss on outgoing TCP traffic, so I don't think this is a local issue.
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garothor

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #4 on: February 09, 2018, 01:35:10 PM »

Same issue here with Chicago.
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papamidnight

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #5 on: February 10, 2018, 01:02:48 AM »

Same here.

Utilizing the end point 216.66.22.2
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mthode

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #6 on: February 10, 2018, 05:53:32 PM »

Ya, same here with 216.66.22.2
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garothor

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #7 on: February 14, 2018, 01:19:50 PM »

As a workaround for the time being I've added the following domains to the network.dns.ipv4OnlyDomains preference in Firefox's about:config and it appears to have mitigated the issue. 

youtube.com, youtu.be, googlevideo.com, ytimg.com
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ikkuranus

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #8 on: February 14, 2018, 07:54:34 PM »

It also seems to affect Directv Now. I hate to give up static V6 as it's impossible to make Pfsense automatically update dynamic v6 hosts but with YT/DTV buffering all the time I have no choice.
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garman9000

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #9 on: February 15, 2018, 08:16:27 PM »

Hate to say "me too", but "me too". Also on the Ashburn POP. YouTube is unusable through my IPv6 he.net tunnel.
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DJX

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #10 on: February 16, 2018, 11:58:04 AM »

Same problem here.
Using tunnel server: 216.66.22.2

As a workaround I have added *.youtube.com and *.1e100.net to my IPv6 DNS blacklist.
You can find more information about how I accomplished this if you refer to my thread here: https://forums.he.net/index.php?topic=3794
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kriteknetworks

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #11 on: February 16, 2018, 04:42:36 PM »

Can't tell, looks like comcast is throttling ipv6 traffic if I dont use native. I get full download speeds with native, but 1MBps when using HE tunnel.
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Napsterbater

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Re: Youtube/Facebook Video Slow/Buffering.
« Reply #12 on: February 17, 2018, 07:59:59 AM »

Can't tell, looks like comcast is throttling ipv6 traffic if I dont use native. I get full download speeds with native, but 1MBps when using HE tunnel.
They are not throttling. Congested link more likely.
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