Werk #22759: TP-Link POE Power: empty SNMP answer

Component

Checks & agents

Title

TP-Link POE Power: empty SNMP answer

Date

Oct 16, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0p18	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p39	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

If a TP-Link switch answered the query for its total PoE power consumption with an empty table, the POE Power service crashed with IndexError: list index out of range.

The service now goes to UNKNOWN with Item not found in monitoring data instead.

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