NetApp
7-mode/HA pair/V-Series : Configuration : System Tools : SNMP : Understanding SNMP : What the SNMP agent does

What the SNMP agent does
The storage system includes an SNMP agent that responds to queries and sends traps to network management stations.
The SNMP agent on the storage system has only read privileges—that is, it cannot be used to take corrective action in response to a trap.