[outages] Cloudflare - sporadic ipv

[Brandon Applegate]

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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