CA Spectrum Link Down traps not generating port alarms

Document ID : KB000119915
Last Modified Date : 05/11/2018
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When a link down trap is sent to Spectrum the device shows a link down trap has been received, but no alarm is generated on the port even though generateportstatusalarms and alarmonlinkdowntrap are both true.
This is due to trap exploders interpretation of ifindex values that are higher than 301989887.  If you are not using trap exploder, you will not experience this problem. 
This is resolved in Spectrum_10.03.00.BMP_10.3.001 for 10.3.0  This will be resolved in CA Spectrum 10.3.1 once released. 

    Symptom: Link down alarm are not processed correctly on interfaces from TrapX when Object instance ID is very large.
    Resolution: Link down alarms are processed correctly from TrapX even Object instance ID is very large.
    (DE384905, 01185223)