On Wed, 5 Mar 2025 at 13:22, Simon Brandt via ripe-atlas < [email protected]> wrote:
> ipv6-works check (three possible cases): > > 1. tagged: system-ipv6-works > 2. tagged: system-ipv6-doesnt-work > 3. untagged (none of the above tags is set) > > I don't see the purpose of the untagged status. Either IPv6 / IPv4 works, > or not. What is the completely untagged status supposed to tell me? > A "doesnt-work" tag is applied if the probe returns results for (in this case) some IPv6 measurements, and all of those results indicate a failure to reach the targets. If, on the other hand, the probe has a problem submitting results to the controller, then we don't know whether it can or cannot reach IPv6 targets, so it doesn't get either tag. In general you can consider a probe with a "connected" status, but none of (ipv4-works, ipv6-doesnt-work, ipv4-works, ipv6-doesnt-work), as having a problem submitting results due to some other issue. > The same applies to DNS checks. There's a tag for every case, plus the > "no-tag status": > > DNS resolving check: > > 1. tagged: system-resolves-a-correctly > 2. tagged: system-resolves-a-incorrectly > 3. tagged: system-doesnt-resolve-a > 4. untagged (none of the above tags is set) Similar to above: 1. The DNS record returned is as expected 2. A DNS record is returned, but it is not the one expected 3. No DNS record could be returned 4. The relevant measurement results were not submitted
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