[outages] IPv6 issue between Charter and Digital Ocean
Luca Salvatore
luca at digitalocean.com
Thu Oct 8 16:49:41 EDT 2015
Hey,
Thanks for letting us know about this issue, we'll check everything out on
our end.
If you're a customer of ours it's best to log a ticket so this will get
more priority.
Thanks,
Luca.
Network Engineering Manager
DigitalOcean
On Thu, Oct 8, 2015 at 12:39 PM, Mark Felder via Outages <
outages at outages.org> wrote:
> Hello,
>
> I'm having IPv6 issues between Charter 6rd and Digital Ocean IPv6
> servers. HTTP/HTTPS requests do not finish; perhaps MTU issues? Requests
> to these destinations seem to work fine from some other places I have
> IPv6 access such as a Vultr VPS. I can access the rest of the IPv6
> internet without issue.
>
> Source Subnet: 2602:100::/28 (Charter 6rd IPv6 service)
> Source IP: 2602:100:4475:7e4e::1
>
> Destination IP example 1: 2a03:b0c0:2:d0::1af:a001
> Destination IP example 2: 2a01:4f8:210:31fd:1::5
> Destination Subnet: 2a00::/12
>
> Both of those example destinations are hosted at Digital Ocean.
>
>
> It just hangs indefinitely for both of these:
>
> $ fetch -6 -v http://blog.higgsboson.tk
> looking up blog.higgsboson.tk
> connecting to blog.higgsboson.tk:80
> requesting http://blog.higgsboson.tk/
> (hangs)
>
> $ fetch -6 -v https://nzbs.org/
> looking up nzbs.org
> connecting to nzbs.org:443
> SSL options: 83004bff
> Peer verification enabled
> Using CA cert file: /usr/local/etc/ssl/cert.pem
> (hangs)
>
> The following popular destinations work just fine:
>
> Google:
>
> $ fetch -6 -v http://www.google.com
> looking up www.google.com
> connecting to www.google.com:80
> requesting http://www.google.com/
> fetch: http://www.google.com: size of remote file is not known
> www.google.com 150 kB 665 kBps
> 00m00s
>
> Yahoo:
>
> $ fetch -6 -v https://www.yahoo.com
> looking up www.yahoo.com
> connecting to www.yahoo.com:443
> SSL options: 83004bff
> Peer verification enabled
> Using CA cert file: /usr/local/etc/ssl/cert.pem
> Verify hostname
> TLSv1.2 connection established using ECDHE-RSA-AES128-GCM-SHA256
> Certificate subject: /C=US/ST=California/L=Sunnyvale/O=Yahoo
> Inc./OU=Information Technology/CN=www.yahoo.com
> Certificate issuer: /C=US/O=Symantec Corporation/OU=Symantec Trust
> Network/CN=Symantec Class 3 Secure Server CA - G4
> requesting https://www.yahoo.com/
> fetch: https://www.yahoo.com: size of remote file is not known
> local size / mtime: 329777 / 1444321381
> www.yahoo.com 321 kB 130 kBps
> 00m02s
>
> Facebook:
>
> $ fetch -6 -v http://www.facebook.com
> looking up www.facebook.com
> connecting to www.facebook.com:80
> requesting http://www.facebook.com/
> 302 redirect to https://www.facebook.com/
> looking up www.facebook.com
> connecting to www.facebook.com:443
> SSL options: 83004bff
> Peer verification enabled
> Using CA cert file: /usr/local/etc/ssl/cert.pem
> Verify hostname
> TLSv1.2 connection established using ECDHE-ECDSA-AES128-GCM-SHA256
> Certificate subject: /C=US/ST=CA/L=Menlo Park/O=Facebook,
> Inc./CN=*.facebook.com
> Certificate issuer: /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert
> High Assurance CA-3
> requesting https://www.facebook.com/
> fetch: http://www.facebook.com: size of remote file is not known
> www.facebook.com 52 kB 358 kBps
> 00m00s
>
>
> Some traceroutes:
>
> $ mtr -c 2 -n --report nzbs.org
> Start: Thu Oct 8 11:35:31 2015
> HOST: skeletor.feld.me Loss% Snt Last Avg Best Wrst
> StDev
> 1.|-- 2602:100:4475:7e4e::1 0.0% 2 0.4 0.4 0.4 0.4
> 0.0
> 2.|-- ??? 100.0 2 0.0 0.0 0.0 0.0
> 0.0
> 3.|-- 2001:506:100:6c::1 0.0% 2 39.6 37.1 34.7 39.6
> 3.3
> 4.|-- 2001:506:100:23::1 0.0% 2 37.0 40.9 37.0 44.7
> 5.4
> 5.|-- 2001:506:100:7::1 0.0% 2 47.4 47.4 47.3 47.4
> 0.0
> 6.|-- 2001:506:100:305::2 0.0% 2 40.1 40.1 40.1 40.1
> 0.0
> 7.|-- 2001:470:0:1b3::1 0.0% 2 36.4 41.1 36.4 45.8
> 6.6
> 8.|-- 2001:470:0:346::2 0.0% 2 78.5 64.6 50.7 78.5
> 19.6
> 9.|-- 2001:470:0:298::2 0.0% 2 69.2 65.1 60.9 69.2
> 5.8
> 10.|-- 2001:470:0:2cf::1 0.0% 2 127.8 129.5 127.8 131.2
> 2.2
> 11.|-- 2001:470:0:2d0::2 0.0% 2 138.0 136.4 134.8 138.0
> 2.2
> 12.|-- 2001:7f8:1:0:a500:20:2018 0.0% 2 134.8 133.4 132.0 134.8
> 2.0
> 13.|-- 2a03:b0c0:2::702 0.0% 2 141.1 141.9 141.1 142.7
> 1.0
> 14.|-- 2a03:b0c0:2:d0::1af:a001 0.0% 2 133.0 133.9 133.0 134.7
> 1.0
>
> $ mtr -c 2 -n --report blog.higgsboson.tk
> Start: Thu Oct 8 11:36:07 2015
> HOST: skeletor.feld.me Loss% Snt Last Avg Best Wrst
> StDev
> 1.|-- 2602:100:4475:7e4e::1 0.0% 2 0.4 0.4 0.3 0.4
> 0.0
> 2.|-- ??? 100.0 2 0.0 0.0 0.0 0.0
> 0.0
> 3.|-- 2001:506:100:6c::1 0.0% 2 38.7 35.0 31.4 38.7
> 5.1
> 4.|-- 2001:506:100:23::1 0.0% 2 35.9 36.3 35.9 36.6
> 0.0
> 5.|-- 2001:506:100:7::1 0.0% 2 49.1 48.5 47.9 49.1
> 0.0
> 6.|-- 2001:506:100:305::2 0.0% 2 45.2 43.1 41.1 45.2
> 2.8
> 7.|-- 2001:470:0:1b3::1 0.0% 2 50.7 53.2 50.7 55.6
> 3.5
> 8.|-- 2001:470:0:346::2 0.0% 2 37.6 39.6 37.6 41.7
> 2.8
> 9.|-- 2001:470:0:298::2 0.0% 2 66.6 71.5 66.6 76.4
> 6.9
> 10.|-- 2001:470:0:2cf::1 0.0% 2 142.7 138.6 134.5 142.7
> 5.7
> 11.|-- 2001:470:0:2d0::2 0.0% 2 133.5 135.4 133.5 137.3
> 2.6
> 12.|-- 2001:7f8:1::a502:4940:1 0.0% 2 130.8 131.9 130.8 133.1
> 1.4
> 13.|-- 2a01:4f8:0:3::11d 0.0% 2 143.0 144.7 143.0 146.3
> 2.2
> 14.|-- 2a01:4f8:0:3::11a 0.0% 2 142.3 143.4 142.3 144.5
> 1.4
> 15.|-- 2a01:4f8:0:3::12e 0.0% 2 150.9 151.5 150.9 152.1
> 0.0
> 16.|-- 2a01:4f8:210:31fd::1 0.0% 2 146.3 146.8 146.3 147.3
> 0.0
> 17.|-- 2a01:4f8:210:31fd:1::5 0.0% 2 141.7 142.4 141.7 143.1
> 0.0
>
>
> Thanks!
>
>
>
> --
> Mark Felder
> feld at feld.me
> _______________________________________________
> Outages mailing list
> Outages at outages.org
> https://puck.nether.net/mailman/listinfo/outages
>
--
Luca Salvatore
Network Engineering Manager | DigitalOcean
Phone: +1 (929) 214-7242
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