Probe 24434 down but pingable
Hi, One of my probes is pingable but the status is disconnected for over a day. Could it be that it has troubles with DNS over IPv6 and that it is not smart enough to fall back to IPv4? https://atlas.ripe.net/probes/24434/#tab-general Thanks, Dave
On Fri, Dec 30, 2022 at 10:04:35AM +0100, Dave <gboonie@gmail.com> wrote a message of 43 lines which said:
One of my probes is pingable but the status is disconnected for over a day.
Could it be also that the probe is indeed disconnected but there is some middlebox in front of it that intercepts ICMP echo requests, and then replies?
No, it is directly connected to open internet. I have a raspberry in a neighboring IP and it also does not have DNS over IPv6 working. IPv4 is fine. It seems the probe does not fall back to IPv4. Op vr 30 dec. 2022 om 10:14 schreef Stephane Bortzmeyer <bortzmeyer@nic.fr>:
On Fri, Dec 30, 2022 at 10:04:35AM +0100, Dave <gboonie@gmail.com> wrote a message of 43 lines which said:
One of my probes is pingable but the status is disconnected for over a day.
Could it be also that the probe is indeed disconnected but there is some middlebox in front of it that intercepts ICMP echo requests, and then replies?
Isn't simply dead/corrupted USB flash? (as I see, you're using tl-mr3020; there're such issues sometimes). There's article how to fix that... https://labs.ripe.net/author/philip_homburg/troubleshooting-ripe-atlas-probe... On 12/30/22 10:04, Dave wrote:
Hi,
One of my probes is pingable but the status is disconnected for over a day. Could it be that it has troubles with DNS over IPv6 and that it is not smart enough to fall back to IPv4?
https://atlas.ripe.net/probes/24434/#tab-general <https://atlas.ripe.net/probes/24434/#tab-general>
Thanks, Dave
Fixed. A colleague was so kind to do the procedure for the USB. That fixed it indeed. Seems it was corrupted. No IPv6 DNS reachability issue after all. Thanks. Op vr 30 dec. 2022 om 10:04 schreef Dave <gboonie@gmail.com>:
Hi,
One of my probes is pingable but the status is disconnected for over a day. Could it be that it has troubles with DNS over IPv6 and that it is not smart enough to fall back to IPv4?
https://atlas.ripe.net/probes/24434/#tab-general
Thanks, Dave
participants (3)
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Daniel Suchy -
Dave -
Stephane Bortzmeyer