Flapping Status? What does it mean?

list Maik Heinelt
Thu, 16 Oct 2014 08:35:42 +0900
Message-Id: <user-5e5768038a4d@xymon.invalid>

We recently migrated our Hobbit 4.2 server to Xymon 4.3.18.
For some some clients, I noticed a warning "Xymon WARNING: Flapping status".
What is flapping status? how to avoid, but not disable it?

Maik