...
TRAPDOPTS='-n -OQ -Ls2 -p /var/run/snmptrapd.pid -m ALL -M /usr/local/nmis9/mibs/traps'
[Service]
ExecStart=
ExecStart=/usr/sbin/snmptrapd -n -OQ -Ls2 -p /var/run/snmptrapd.pid -m ALL -M /usr/local/nmis9/mibs/traps
STEP 2
We need to configure the traps to go to a specific log file for opEvents to process them. In this case, all messages that come from facility local2 will be collected into /usr/local/nmis9/logs/snmptrap.log file.
cd /etc/rsyslog.d
touch nmis.conf
...