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Cisco Bug: CSCuo18862 - EC Alarms: Clear trap is not sent as expected for threshold alarms

Last Modified

Jun 22, 2020

Products (1)

  • Headend System Releases

Known Affected Releases

dncs-6.0.0.20 dncs-7.0.0.5

Description (partial)

Symptom:
EC Alarms: Clear trap is not sent as expected for threshold alarms

Conditions:
We are generating many threshold alarms. Able to see all threshold raise alarms at ECS Alarms UI. But for all the threshold alarms we are not seeing clear alarms. Only few times we got clear alarms but the time difference between raise and clear are nearly 1 hour. 

Attached the screen shot of ECS alarms UI filtered for threshold alarms and snmpTrapHandler log file in enclosures.

Steps:
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1. Configure threshold values for alarm id 70 (For Example) as follows
Threshold Count	: 55
Threshold Interval: 4
Clear Count: 1

2. Simulate threshold condition and observe Threshold alarm. Threshold alarm is seen in ECS Alarm UI

3. Wait for the next interval and dont send any alarm with id 70.

Expected:
------------------
Clear alarm should be sent in next interval since clear count is configured as 1. 

Actual:
----------------
For many threshold alarms sent we are seeing very few clear alarms. Those clear alarms are having almost 1 hour delay.
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