Service models are not alarming or changing condition value when the models in the service lose contact. The device will alarm but not the service.
Connection issues between the MLS and the remote SS
The solution in NetOps 24.x and above is to add this to the $SPECROOT/SS/.vnmrc on all SS and stop/restart the SpectroSERVER process:
ServiceManager_Connection_Issue_Fix=true
This will force a retry attempt when a connection issue has been received by the SS. This connection attempt is only seen by enabling debug in the $SPECROOT/SS/.vnmrc on both the SS and the remote DSS.
To enable Service Manager debug please refer to the following knowledge article:
https://knowledge.broadcom.com/external/article?articleNumber=369878