fedora-infrastructure

#12690 Unable to use fedpkg when running on IPv6
Closed: Fixed with Explanation by ddd. Opened by ddd.

Closed: Fixed with Explanation
Reopen Issue

fedpkg stopped working for me a few days ago. Investigation showed that I don't seem to have IPv6 connectivity to pkgs.fedoraproject.com (same with ping -6 or ping6):

% ping pkgs.fedoraproject.org                                                                                                                                                                                                                                                                         PING pkgs.fedoraproject.org (2620:52:6:1141:bead:cafe:feed:fed1) 56 data bytes
^C
--- pkgs.fedoraproject.org ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 5115ms

This (and fedpkg) work correctly if I put this in my /etc/hosts:

38.145.32.17 pkgs.fedoraproject.org

% traceroute6  pkgs.fedoraproject.org                                                                                                                                                                                                                                                                 traceroute to pkgs.fedoraproject.org (2620:52:6:1141:bead:cafe:feed:fed1), 30 hops max, 80 byte packets
 1  2a01:e0a:834:5aa0::1 (2a01:e0a:834:5aa0::1)  0.540 ms  0.761 ms  0.736 ms
 2  2a01:e02:8:f836:cb27::ffff (2a01:e02:8:f836:cb27::ffff)  3.951 ms  4.187 ms  4.166 ms
 3  * * *
 4  2a01:e02:6233::1 (2a01:e02:6233::1)  2.998 ms  3.267 ms  3.244 ms
 5  * * *
 6  * * *
 7  * * *
 8  * * *
 9  * * *
10  be8194.rcr21.clt01.atlas.cogentco.com (2001:550:0:1000::9a36:aae2)  99.427 ms  99.502 ms  99.439 ms
11  be2190.rcr71.rdu02.atlas.cogentco.com (2001:550:0:1000::9a36:534e)  103.048 ms  103.287 ms  103.233 ms
12  te0-0-0-24.nr61.b055125-0.rdu02.atlas.cogentco.com (2001:550:0:1000::9a18:4f8e)  104.399 ms  104.355 ms  104.190 ms
13  2001:550:2:66::13:f (2001:550:2:66::13:f)  103.730 ms  103.705 ms  103.557 ms
14  2620:52:6::fd (2620:52:6::fd)  103.494 ms  108.870 ms  108.809 ms
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * * *

My ISP is Free.fr in France. I've been on IPv6 for a long time, so I know that the connectivity generally works.

I asked about IPv6 connectivity on the #fedora channel on Slack, and was told by user kfenzi that things are working for him. So this may be specific to my location or setup.

Describe what you would like us to do:

Investigate if the IPv6 address I see is correct and tell me if there is something obviously wrong on my side.

When do you need this to be done by? (YYYY/MM/DD)

No due date, since I have a working workaround.

Metadata Update from @zlopez:
- Issue priority set to: Waiting on Assignee (was: Needs Review)
- Issue tagged with: Needs investigation, low-gain, ops

yeah, it's working fine here and I have seen no other problem reports. ;(

Can you share your ipv6 address? Or I guess if you prefer send privately to me?

Also can you ping6 proxy01.fedoraproject.org or bastion01.fedoraproject.org ?

I do note that we have a reverse dns issue on those ip's... so for example if I ping it there's nothing apparently happening until the reverse lookup finishes. Is there any change for you if you use 'ping -n' ?

ping6 works from macOS on the same network, so I deduce that the problem is really on the Linux machine I use to build packages. I'm about to move anyway, so I don't have much time to spend on this, and my new home will require me to reorganize all my network infrastructure anyway.

Since the problem seems to be on my end, you can close the ticket. I'll reopen in case I find something relevant to the infrastructure.
Edited by ddd

Metadata Update from @ddd:
- Issue close_status updated to: Fixed with Explanation
- Issue status updated to: Closed (was: Open)
Metadata
None

Needs investigation low-gain ops

None
None
Normal
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