Werk #5945: Hosts can now be configured without IP address

Component Core & Setup
Title Hosts can now be configured without IP address
Date Apr 5, 2018
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 1.5.0b1
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed

It is now possible to configure hosts in Check_MK that have no IP address configured. This is useful e.g. in case a host is only monitored using piggyback data from another host.

In previous versions of Check_MK a fake IP address had to be configured for each host to prevent warning messages during config generation and during monitoring.

To configure a host without IP, simply set the "IP address family" attribute of a host to "No IP".

The host check of these hosts will always report "UP" by default. To override this, you can use the rule set "Host check command".

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