diff -Nrup net-snmp-5.9.1-orig/dist/snmpd.service net-snmp-5.9.1/dist/snmpd.service
--- net-snmp-5.9.1-orig/dist/snmpd.service	2021-10-21 15:22:42.168690298 +0000
+++ net-snmp-5.9.1/dist/snmpd.service	2021-10-21 15:23:10.579979496 +0000
@@ -21,8 +21,11 @@ ProtectControlGroups=true
 RestrictRealtime=true
 # end of automatic additions 
 # Type=notify is also supported. It should be set when snmpd.socket is not used.
-Type=simple
-ExecStart=/usr/sbin/snmpd -f
+Type=notify
+Environment=OPTIONS="-LS0-6d"
+EnvironmentFile=-/etc/sysconfig/snmpd
+ExecStart=/usr/sbin/snmpd $OPTIONS -f
+ExecReload=/bin/kill -HUP $MAINPID
 
 [Install]
 WantedBy=multi-user.target
diff -Nrup net-snmp-5.9.1-orig/dist/snmptrapd.service net-snmp-5.9.1/dist/snmptrapd.service
--- net-snmp-5.9.1-orig/dist/snmptrapd.service	2021-10-21 15:22:42.184689898 +0000
+++ net-snmp-5.9.1/dist/snmptrapd.service	2021-10-21 15:24:50.933468801 +0000
@@ -19,8 +19,11 @@ RestrictRealtime=true
 # end of automatic additions 
 # Type=notify is also supported. It should be set when snmptrapd.socket is not
 # used.
-Type=simple
-ExecStart=/usr/sbin/snmptrapd -f
+Type=notify
+Environment=OPTIONS="-Lsd"
+EnvironmentFile=-/etc/sysconfig/snmptrapd
+ExecStart=/usr/sbin/snmptrapd $OPTIONS -f
+ExecReload=/bin/kill -HUP $MAINPID
 
 [Install]
 WantedBy=multi-user.target