Symptom
Fake alarm due to non-optimal Threshold for voltage Alarm for TCAM voltage rail.
Modify the Voltage Alarm Thresholds for Voltage Rails below:
OP2A-HVA-0V8_VOUT
OP2B-HVA-0V8_VOUT
Voltage threshold details:
Crit(Lo) Minor(Lo) Minor(Hi) Crit(Hi)
New Thresholds: 695 705 965 975
Existing Thresholds: 720 736 864 896
Conditions
The problem may be observed at normal operations
Further Problem Description
Only PID NCS57-18DD-SE is impacted.
Example Outputs:
RP/0/RP0/CPU0:NCS5700#admin sh alarms
-------------------------------------------------------------------------------
Active Alarms
-------------------------------------------------------------------------------
Location Severity Group Set time Description
-------------------------------------------------------------------------------
0/2 critical environ 08/03/20 20:14:19 Slice 0 Die 1 Temp: temperature alarm.
0/4 minor environ 08/03/20 20:36:31 OP2B-HVA-0V8_VOUT: high voltage alarm.
RP/0/RP0/CPU0:NCS5700#admin sh environment voltage location 0/4
================================================================================
Location VOLTAGE Value Crit Minor Minor Crit
Sensor (mV) (Lo) (Lo) (Hi) (Hi)
--------------------------------------------------------------------------------
0/4
...
OP2A-HVA-1V2_VOUT 1192 1080 1116 1284 1320
OP2A-HVA-0V8_VOUT 844 720 736 864 896
OP2B-HVA-1V2_VOUT 1194 1080 1116 1284 1320
! OP2B-HVA-0V8_VOUT 901 720 736 864 896 <---------
Please note it is a false positive no RMA is required !