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Author Topic: Horribly slow connection to YouTube from tserv28.waw1.ipv6.he.net  (Read 174 times)

eider96

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Hi,

Since some time (few weeks? maybe two months already? but recently way worse than usual) connection via IPv6 to YouTube is horribly slow - to a point where 144p is unwatchable due to constant buffering. Checking network usage reveals no data transfer or occasional spikes to 16Kb/s and back to 0. Assigned server IP to my tunnel is 216.66.80.162 and for IPv6 I'm using assigned /48 instead of default /64.

Anything we can do with it, or at least get any answers as to why is it happening?

Code: [Select]
17:54:33 robot:nico>traceroute 216.66.80.162
traceroute to 216.66.80.162 (216.66.80.162), 30 hops max, 60 byte packets
 1  tl-wr1043nd.lan (192.168.2.1)  0.379 ms  0.536 ms  0.629 ms
 2  thomson-upc.lan (192.168.0.1)  2.180 ms  2.175 ms  2.160 ms
 3  * * *
 4  89-75-7-169.infra.chello.pl (89.75.7.169)  32.321 ms  32.321 ms  32.604 ms
 5  pl-krk05a-ra2-bundle-ether1-1483.aorta.net (84.116.192.214)  32.469 ms pl-krk07a-ra1-ae25-1481.aorta.net (84.116.192.206)  32.566 ms pl-krk05a-ra2-bundle-ether1-1483.aorta.net (84.116.192.214)  32.552 ms
 6  pl-krk07a-ra2-ae25-1482.aorta.net (84.116.192.210)  32.683 ms pl-krk07a-ra2-ae0-1499.aorta.net (84.116.193.22)  43.938 ms  42.941 ms
 7  pl-waw04a-rc1-ae7-1401.aorta.net (84.116.193.29)  42.988 ms  43.182 ms  43.179 ms
 8  pl-waw26b-ri1-ae33-0.aorta.net (84.116.138.81)  43.840 ms  15.241 ms  15.207 ms
 9  henet.plix.pl (195.182.218.197)  31.054 ms  30.927 ms  30.887 ms
10  tserv1.waw1.he.net (216.66.80.162)  31.145 ms  31.076 ms  17.061 ms

Code: [Select]
17:56:13 robot:nico>traceroute6 youtube.com
traceroute to youtube.com (2a00:1450:401b:803::200e) from 2001:470:613e:9000:a00:27ff:fe1a:f809, 30 hops max, 24 byte packets
 1  tl-wr1043nd.lan (2001:470:613e:9000::1)  0.724 ms  1.113 ms  0.581 ms
 2  eider96-1.tunnel.tserv28.waw1.ipv6.he.net (2001:470:70:6b1::1)  19.145 ms  18.658 ms  16.908 ms
 3  10ge3-19.core1.waw1.he.net (2001:470:0:222::1)  13.404 ms  21.873 ms  13.239 ms
 4  google1.ipv6.plix.pl (2001:7f8:42::a501:5169:1)  23.832 ms  13.411 ms  11.692 ms
 5  2001:4860:0:1185::1 (2001:4860:0:1185::1)  31.682 ms  32.823 ms  33.378 ms
 6  2001:4860:0:1::1f3f (2001:4860:0:1::1f3f)  34.201 ms  33.315 ms  32.842 ms
 7  waw02s08-in-x0e.1e100.net (2a00:1450:401b:803::200e)  34.263 ms  31.784 ms  32.222 ms

Code: [Select]
17:58:09 robot:nico>traceroute6 r1---sn-aigl6ney.googlevideo.com
traceroute to r1.sn-aigl6ney.googlevideo.com (2a00:1450:4009:11::6) from 2001:470:613e:9000:a00:27ff:fe1a:f809, 30 hops max, 24 byte packets
 1  tl-wr1043nd.lan (2001:470:613e:9000::1)  0.723 ms  0.614 ms  0.441 ms
 2  eider96-1.tunnel.tserv28.waw1.ipv6.he.net (2001:470:70:6b1::1)  21.103 ms  18.14 ms  16.895 ms
 3  10ge3-19.core1.waw1.he.net (2001:470:0:222::1)  22.168 ms  11.424 ms  13.471 ms
 4  google1.ipv6.plix.pl (2001:7f8:42::a501:5169:1)  17.604 ms  13.709 ms  12.593 ms
 5  2001:4860:0:1184::8 (2001:4860:0:1184::8)  40.888 ms  31.847 ms  32.525 ms
 6  2001:4860::c:4000:f873 (2001:4860::c:4000:f873)  32.74 ms  32.295 ms  32.187 ms
 7  2001:4860::c:4000:d9aa (2001:4860::c:4000:d9aa)  34.254 ms  36.366 ms  35.924 ms
 8  2001:4860::c:4000:dd7a (2001:4860::c:4000:dd7a)  42.937 ms  44.383 ms  41.058 ms
 9  2607:f8b0:e000:8000::5 (2607:f8b0:e000:8000::5)  42.388 ms  42.768 ms  43.249 ms
10  2001:4860:0:1::27c5 (2001:4860:0:1::27c5)  41.694 ms  42.439 ms  42.506 ms
11  2a00:1450:4009:11::6 (2a00:1450:4009:11::6)  42.052 ms  42.233 ms  41.258 ms

Code: [Select]
17:58:17 robot:nico>traceroute6 r5---sn-5hne6nse.googlevideo.com
traceroute to r5.sn-5hne6nse.googlevideo.com (2a00:1450:400e:4c::15) from 2001:470:613e:9000:a00:27ff:fe1a:f809, 30 hops max, 24 byte packets
 1  tl-wr1043nd.lan (2001:470:613e:9000::1)  0.581 ms  0.548 ms  0.479 ms
 2  eider96-1.tunnel.tserv28.waw1.ipv6.he.net (2001:470:70:6b1::1)  19.393 ms  18.029 ms  18.175 ms
 3  10ge3-19.core1.waw1.he.net (2001:470:0:222::1)  18.092 ms  20.145 ms  13.663 ms
 4  google1.ipv6.plix.pl (2001:7f8:42::a501:5169:1)  12.509 ms  13.289 ms  11.554 ms
 5  2001:4860:0:1185::8 (2001:4860:0:1185::8)  32.885 ms  31.41 ms  32.257 ms
 6  2001:4860::c:4000:f873 (2001:4860::c:4000:f873)  45.534 ms  37.024 ms  51.427 ms
 7  2001:4860::c:4000:d9aa (2001:4860::c:4000:d9aa)  35.079 ms  35.166 ms  35.212 ms
 8  2001:4860::9:4000:d476 (2001:4860::9:4000:d476)  35.588 ms  37.614 ms  42.251 ms
 9  2001:4860:0:f8b::1 (2001:4860:0:f8b::1)  36.255 ms  34.938 ms  35.418 ms
10  2001:4860:0:1::2501 (2001:4860:0:1::2501)  38.124 ms  37.193 ms  35.2 ms
11  2a00:1450:400e:4c::15 (2a00:1450:400e:4c::15)  33.098 ms  34.176 ms  34.385 ms

It is worth to note it does not happen on all videos and in certain cases trying to watch video say 10 minutes later yields good results in instant 1080p buffering. Possibly issue with internal connection on local YouTube cache server (does HE has one?)
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