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Users which access to the NE40E are unable to browse internet intermittently

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[Problem description]


Users which access the NE40E are unable to browse internet continuously.

 

[Problem analysis]


1. In slot number 3 of the device, the CPU usage transiently increases and recovers. The top 1 CPU usage was the SAM task, which caused the user to go online and offline frequently.


Currently, no other exception occurred on the NE40E.


 110817bfis4ssyws74iyww.png

 

display alarm all

 yy-mm-dd hh:mm:ss   


The CPU utilization of LPU 3 (Entity) crosses the warning/critical threshold.                    

           

[BasCode:0x12200,EntCode:0x0]

 

Feb  2 2019 18:48:44+05:30 Tripleplay-BRAS%VOSCPU/4/CPU_USAGE_HIGH(l)[23]:Slot=3,Vcpu=0;The CPU isoverloaded(CpuUsage=80%, Threshold=80%),

 

and the tasks with top three CPU occupancy are:

 

SAM total      : 26%   ==The user goes online and offline frequently.

FECD  total      : 8% 

POXR  total      : 6% 

 

=====================================================

===============displayalarm all===============

=====================================================

----------------------------------------------------------------------------

Index Level Date Time Info

 

1. The hardware resource (TABLE ID=1076,TABLENAME=SqRes_1_Out,REMAINDER=409) storage media of LPU 3(Entity) exceeded the prealarm threshold.

 

2. This alarm is generated when the number of QoS resources exceeds the threshold. It is recommended that the customer reduces the number of DAA users or migrates some services to another slot to reduce the load on this slot.

 

Feb 2 201918:12:43+05:30 Tripleplay-BRAS %UCM/3/DAA_QOS_ALLOC_FAIL(l)[160]:Daauser alloc qos resource fail.CID=xxxxx

 

[Root cause]

 

The user goes online an doffline frequently, leading to high CPU usage.


This alarm is generated when the number of QoS resources exceeds the threshold.

 

[Solution description]


It is recommended that the customer reduces the number of DAA users or migrates some services to another slot.


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