Werk #17881: if64/interfaces: Duplicate service description

Component

Checks & agents

Title

if64/interfaces: Duplicate service description

Date

Apr 15, 2025

Level

Trivial Change

Class

Bug Fix

Compatibility

Incompatible - Manual interaction might be required

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0b6	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p31	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

This werk is relevant for users using MICROSENS G6 and Cisco Catalyst 9200L switches.

When using a version containing the changes made in werk #17786 users will encounter warnings such as

check_mk: ERROR: Duplicate service description (auto check) '<interface>' for host '<host>'! - 1st occurrence: check plug-in / item: if64 / '<item>' - 2nd occurrence: check plug-in / item: interfaces / '<item>'

With this werk the duplicated services will no longer receive data, causing the Check_MK service to report WARN with the message

Missing monitoring data for plugins

To get rid of these warnings a new service discovery should be run and the vanished interface services be removed.

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