Recebemos traps sem especificar o engine-id de dispositivos cisco com o snmpv3. Mas estamos usando o MD5 / DES no dispositivo cisco.
Linux 02asdf 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:42:33 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
ii snmp 5.7.3+dfsg-1ubuntu4 amd64 SNMP (Simple Network Management Protocol) applications
ii snmp-mibs-downloader 1.1 all Install and manage Management Information Base (MIB) files
ii snmpd 5.7.3+dfsg-1ubuntu4 amd64 SNMP (Simple Network Management Protocol) agents
ii snmpsim 0.2.4-1 all SNMP agent simulator
ii snmptrapd 5.7.3+dfsg-1ubuntu4 amd64 Net-SNMP notification receiver
ii snmptt 1.4-1 all SNMP trap handler for use with snmptrapd