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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
How Can I Determine Whether CPU Usages of the System and Processes Are High?

How Can I Determine Whether CPU Usages of the System and Processes Are High?

Procedure

High CPU usage logs and alarms are as follows:
ENTITYTRAP_1.3.6.1.4.1.2011.5.25.219.2.14.1 hwCPUUtilizationRising
ENTITYTRAP/4/ENTITYCPUALARM:OID [oid] CPU utilization exceeded the pre-alarm threshold.(Index=[INTEGER], 
EntityPhysicalIndex=[INTEGER], PhysicalName=[OCTET], EntityThresholdType=[INTEGER], EntityThresholdValue=[INTEGER], 
EntityThresholdCurrent=[INTEGER], EntityTrapFaultID=[INTEGER].)

More Information

System CPU usage is within the normal range if the following conditions are met:
  • The CPU usage does not exceed 80% when the system runs for a long period.
  • The CPU usage does not exceed 95% in a short period and does not keep increasing.
  • No high CPU usage alarm is generated.
In the following scenarios, the system may generate an alarm when CPU usage becomes high instantly and then clear this alarm rapidly. This situation is a normal situation and does not affect the device operation.
  • Cards just start.
  • Information about all optical modules is queried at a time.
  • Traffic volume increases instantly.

CPU usage of a CPU task process may become low or high, depending on the service volume and processing time. CPU usage is within a normal range as long as the system CPU usage does not exceed 80% and no high CPU usage alarm is generated.

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Updated: 2019-05-10

Document ID: EDOC1000079719

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