Interface problem "interface in crit (unknown)crit, speed: 1 gbit/s (assumed), in: 0.00 b/s (0%), out: 0.00 b/s (0%)"

[Yggy]

For your privacy maybe edit your post and remove the link to your Checkmk server?
If you can no longer edit, @Sara can help you out.

Regarding issue, I assume the interfaces were in use when initially discovered and now no longer in use? If so, any of the following suggested in the link might help you out.

Don't know what I have wrong

Seems like on the switch side the interface was discovered initially as being 100 MBps. While later it became 1 GBps. There are 3 ways that I know to rediscover that interface so it takes 1 GBps as correct value: In host configuration move interface from monitored to undecided service, apply changes, move interface back from undecided to monitored service. In this process it should keep history of the interface, but rediscover the current speed value as expected. Alternatively you can che…