1 Alarm Description

This alarm is raised when the average rate of Gx requests received from unknown subscribers in a specific given granularity period exceeds the configured threshold value.

The alarm is associated to the unknownSubscribers measure and the Subscription Management function.

The main attributes of the alarm are the following:

Table 1 Alarm Attributes
Attribute Name	Attribute Value
Alarm Type Id	`NumberOfUnknownSubscribersReached`
Major Type	193
Minor Type	7077892
Specific Problem	Policy Control, Number of Unknown subscribers Reached.
Severity	Minor
Source	`ManagedElement=1,SystemFunctions=1,Pm=1,PmJob=policyControlFunctionThresholdsJob,MeasurementReader=unknownSubscribers_mr:PolicyControlFunction=1,Network=1,DiameterNodes=1,DiameterNode=<diameterNodeId>`
Probable Cause	100549
Event Type	Quality of Service
Additional Text	The number of requests received from unknown subscribers in a specific given granularity period exceeds the configured threshold value
Last Event Time	YYYY-MM-DDTHH:mm:ss<time zone>

2 Procedure

2.1 Handle Alarm Policy Control, Number of Unknown Subscribers Reached

Prerequisites

Before starting this procedure, ensure that you have read the following documents:
- For information about Handling Alarms, refer to Handling Alarms.
Before starting this procedure, ensure that the following tool is available:
- Ericsson Command Line Interface (ECLI).
No conditions are required.

Steps

Check that the threshold (thresholdHigh and thresholdLow attributes of the object indicated by source alarm field before ":" character) is configured according to the needs. More information in Measurements.
Check that all subscribers have been provisioned correctly in the SAPC internal database, refer to Configuration Guide for Subscription and Policies.
If the alarm does not cease, consult the next level of maintenance support. Further actions are outside the scope of this procedure.

Copyright	© Ericsson AB 2018. All rights reserved. No part of this document may be reproduced in any form without the written permission of the copyright owner.
Disclaimer	The contents of this document are subject to revision without notice due to continued progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document.
Trademarks	All trademarks mentioned herein are the property of their respective owners. These are shown in the document Trademark Information.