Using DTLS
From Net-SNMP Wiki
SNMP over DTLS over UDP is supported in Net-SNMP 5.5 and beyond. This page describes what is necessary to configure the software to use it.
Generating X.509 Certificates
Configuring snmpd to Accept DTLS Connections
Configuring the Applications
Tools like snmpget, snmpwalk or anything that uses the core session structures within the main Net-Snmp library like the perl and python modules can make use of DTLS using the procedures described below.