Werk #12903: Management boards: cache DNS lookup

Komponente Core & setup
Titel Management boards: cache DNS lookup
Datum 01.07.2021
Checkmk-Editon Checkmk Raw (CRE)
Checkmk-Version 2.1.0i1 2.0.0p7
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

If the management board address of a host has been provided as a name (not an IP address) Checkmks DNS lookup cache has not been effective, leading to a lot of DNS lookups.

This is fixed now. In the rare case your management board has a dynamic IP address, you must configure the entire host to use dynamic lookup using the WATO rule "Hosts with dynamic DNS lookup".

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