Guneet,
If the issue is reproducible on demand, the easiest way to trouble shoot is to start a sniffer on the SpectroSERVER system where the trap is being sent and verify if the trap even reached the SpectroSERVER system or not. If not, then the issue is somewhere in the network.
If the trap is received by the SpectroSERVER system but not being processed on the Spectrum model as expected, then examining the trap contents may give us a clue.
If the contents look good, then examine how the trap is configured in Spectrum.
If the issue is not reproducible on demand, then start the sniffer on the SpectroSERVER system only sniffing on the trap port Spectrum is configured to listen to. That way you are not sniffing all traffic. Then, when the issue occurs, check the as noted above.
Joe