Contents

1   Alarm Description

The alarm is raised by the Multimedia Application Server (MMAS) when CPU load use exceeds the configured threshold value for a specific node that is either a traffic or OAM processor.

This monitoring alarm is active by default. The management of alarm thresholds and activation is configured in the Information Model Management (IMM). For information on the configuration parameters related to the CPU monitoring activity, refer to the class MmasCpuMonitoring.

Table 1    MMAS, CPU Load Limit Exceeded Alarm Causes

Alarm Cause	Description	Fault Reason	Fault Location	Impact
MMAS configuration parameters need tuning because of permanently changed traffic mix or load	CPU load use exceeds the configured upperThresholdValue threshold value	CPU load exceeds the configured capacity	CPU	The system is not able to handle traffic at its engineered capacity
MMAS node is underdimensioned

2   Procedure

2.1   Handle Alarm MMAS, CPU Load Limit Exceeded

Prerequisites

• This instruction references the following document:
  • Data Collection Guideline
• No tools are required.
• The following conditions must apply:
  • The alarm is raised.
  • An Ericsson Command-Line Interface (ECLI) session in Exec mode is in progress.

Steps

1. Navigate to the MmasCpuMonitoring managed object, for example:

   >dn ManagedElement=NODE06ST,Mmas=1,MmasMonitoring=1,MmasCpuMonitoring=1

2. Display the configuration for the CPU monitoring activity:

   (MmasCpuMonitoring=1)> show

   The following is an example output:

   MmasCpuMonitoring=1 activationAlgorithm="MEAN" deactivationAlgorithm="CONSECUTIVE" enable=true lowerThresholdValue=68 maxSamplingRate=2 measuringPeriod=10 upperThresholdValue=70

3. Modify the default CPU threshold configuration, if needed.

   Note:  

   If the alarm is raised frequently, continue with step Step 5.

   
   
4. Is the alarm cleared?

   Yes: Proceed with step Step 7.

   No: Continue with the next step.

5. Perform data collection, refer to Data Collection Guideline.
6. Consult the next level of maintenance support. Further actions are outside the scope of this instruction.
7. Job is completed.