...
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
cd /etc
vim rsyslog.conf
*.info;mail.none;authpriv.none;cron.none;local2.none /var/log/messages