There is one disabled SNMP listener defined by default on the appliance, which you can delete or enable, as needed. You can also add additional SNMP services and listeners. Although you can configure traps and informs to go out if all the SNMP listeners are deleted or disabled, configuring SNMP listeners sets up the UDP ports the appliance uses to listen for SNMP commands. The service ports set up for listening to SNMP requests are independent of the trap or inform addresses and ports specified for sending traps.
To add and enable an SNMP service and listeners: