Werk #16333: if_lancom: Switch port discovery does not work for Lancom routers when the router description is configured to be used for the Service Description

Component	Checks & agents
Title	if_lancom: Switch port discovery does not work for Lancom routers when the router description is configured to be used for the Service Description
Date	Feb 1, 2024
Level	Trivial Change
Class	Bug Fix
Compatibility	Incompatible - Manual interaction might be required
Checkmk versions & editions	2.4.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.3.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.2.0p22 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0p40 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Sometimes the Lancom routers don't provide a name. During data parsing this caused the description to be left as an empty string. As a result of that, when the router description was configured to be used for the Service Desciption, the discovery did not work properly. This has now been fixed by having a fallback mechanism. If the router name is not present, the router description will be used. Because of the change, the user is required to execute the service discovery again in order to discover any new services. As well as get rid of any vanished services.

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