[outages] Cloudflare - sporadic ipv

Tue Dec 16 20:58:24 EST 2014

This is what I am seeing from HE Tunnel

traceroute to 0.t.4cdn.org (2400:cb00:2048:1::8d65:731a), 30 hops max, 80
byte packets
 1  2001:470:b:405::1 (2001:470:b:405::1)  1.539 ms  1.536 ms  1.531 ms
 2  brianhenson-1.tunnel.tserv14.sea1.ipv6.he.net (2001:470:a:405::1)
 100.349 ms  101.611 ms  102.851 ms
 3  ge2-6.core1.sea1.he.net (2001:470:0:9b::1)  103.723 ms  103.730 ms
 103.732 ms
 4  v6-six.as13335.com (2001:504:16::3417)  103.721 ms  103.724 ms  103.714
ms
 5  2400:cb00:2048:1::8d65:731a (2400:cb00:2048:1::8d65:731a)  97.377 ms
 97.377 ms  97.376 ms


On Tue, Dec 16, 2014 at 6:08 PM, Brandon Applegate via Outages <
outages at outages.org> wrote:
>
> Anyone else seeing anything ?  Their status page is all green at the
> moment.
>
> I’m getting failures on certain Cloudflare IPv6 address.  Traceroutes look
> okay - i.e. I’m not super concerned that they don’t complete, they make it
> to GTT from where I’m having the issues.  www.cloudflare.com is an
> example, as is (some of the records for) 0.t.4cdn.org.  Traceroutes and
> curl loops below.
>
> root at phosphor:/home/bapplegate# traceroute -I -6 0.t.4cdn.org
> traceroute to 0.t.4cdn.org (2400:cb00:2048:1::8d65:721a), 30 hops max, 80
> byte packets
>  1  2607:ff70:11::1 (2607:ff70:11::1)  0.485 ms  0.529 ms  0.608 ms
>  2  pc44.core0-5.cncndc.net (2607:ff70:2::2d)  0.276 ms  0.308 ms  0.361
> ms
>  3  tenG-0-2-0.transit0-5.cncndc.net (2607:ff70:2::be)  0.644 ms  0.641
> ms  0.638 ms
>  4  xe-5-0-0.bar1.Cincinnati1.Level3.net (2001:1900:2100::2b5)  0.360 ms
> 0.363 ms  0.363 ms
>  5  vl-4066.car2.Chicago1.Level3.net (2001:1900:4:1::27d)  24.373 ms
> 24.454 ms  24.549 ms
>  6  vl-4062.edge2.Chicago2.Level3.net (2001:1900:4:1::2a)  23.884 ms
> 23.800 ms  23.811 ms
>  7  2001:1900:4:1::be (2001:1900:4:1::be)  24.321 ms  24.276 ms  24.277 ms
>  8  vl-4061.car1.NewYork2.Level3.net (2001:1900:4:1::106)  29.840 ms
> 29.811 ms  29.875 ms
>  9  vl-4041.edge1.NewYork1.Level3.net (2001:1900:4:1::101)  29.135 ms
> 29.250 ms  29.229 ms
> 10  * * *
> 11  NTT-level3-40G.NewYork1.Level3.net (2001:1900:4:3::2b6)  29.440 ms
> 29.353 ms  29.380 ms
> 12  ae-3.r05.nycmny01.us.bb.gin.ntt.net (2001:418:0:2000::2bd)  29.957
> ms  30.181 ms  30.231 ms
> 13  2001:590:2:1b::1 (2001:590:2:1b::1)  44.675 ms  39.849 ms  39.800 ms
> 14  ae8-60g.cr1.nyc3.us.as4436.gtt.net (2001:590::451f:5f5c)  29.564 ms
> 29.540 ms  29.526 ms
> 15  ip6.gtt.net (2001:668:0:3::8000:30a1)  29.472 ms  29.585 ms  29.915 ms
> 16  xe-3-0-0.nyc41.ip6.gtt.net (2001:668:0:2::1:2672) 104.521 ms  37.085
> ms  29.862 ms
> 17  lo0.cr1.ewr1.us.as4436.gtt.net (2001:590::451f:5ff8)  30.635 ms
> 30.138 ms  30.032 ms
> 18  * * *
> 19  * * *
> 20  * * *
> 21  * * *
> 22  *^C
>
> root at phosphor:/home/bapplegate# curl --connect-timeout 5 -v -I -6
> www.cloudflare.com
> * About to connect() to www.cloudflare.com port 80 (#0)
> *   Trying 2400:cb00:2048:1::c629:d6a3... Timeout
> *   Trying 2400:cb00:2048:1::c629:d7a3... Timeout
> * connect() timed out!
> * Closing connection #0
> curl: (28) connect() timed out!
>
> Note: had to use HEAD for this - my curl is brain dead on IPv6 literals:
>
> root at phosphor:/home/bapplegate# dig +short 0.t.4cdn.org aaaa | while read
> ipv6; do echo $ipv6; HEAD -s -d -t 5 https://[$ipv6]/; echo; done
> 2400:cb00:2048:1::be5d:f51a
> 500 Can't connect to 2400:cb00:2048:1::be5d:f51a:443 (timeout)
>
> 2400:cb00:2048:1::be5d:f719
> 500 Can't connect to 2400:cb00:2048:1::be5d:f719:443 (timeout)
>
> 2400:cb00:2048:1::8d65:721a
> 500 Can't connect to 2400:cb00:2048:1::8d65:721a:443 (certificate verify
> failed)
>
> 2400:cb00:2048:1::8d65:731a
> 500 Can't connect to 2400:cb00:2048:1::8d65:731a:443 (timeout)
>
> 2400:cb00:2048:1::be5d:f41a
> 500 Can't connect to 2400:cb00:2048:1::be5d:f41a:443 (certificate verify
> failed)
>
> I haven’t submitted anything on their site / support / contact yet but
> will soon.  Wanted to see if anyone from Cloudflare was on here or anyone
> else who could otherwise corroborate.
>
> Thanks.
>
> --
> Brandon Applegate - CCIE 10273
> PGP Key fingerprint:
> 830B 4802 1DD4 F4F9 63FE  B966 C0A7 189E 9EC0 3A74
> "SH1-0151.  This is the serial number, of our orbital gun."
>
>
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> Outages at outages.org
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>
>
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