Werk #19187: Correct handling of down interfaces on AIX

Component

Checks & agents

Title

Correct handling of down interfaces on AIX

Date

Feb 9, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

3.0.0b1 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.5.0b1	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p22	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

The AIX network interface check plugin now correctly handles situations where more than one network interface is down simultaneously. Previously, the plugin crashed in such case.

With this fix, all down interfaces are properly detected and reported, ensuring accurate monitoring of AIX systems. No user action is required.

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