When you configure the vCenter Server Appliance SNMP agent for SNMP v1 and v2c, the agent supports sending notifications and receiving GET requests.

In SNMP v1 and v2c, community strings are namespaces that contain one or more managed objects. Namespaces can act as a form for authentication, but this does not secure the communication. To secure the communication, use SNMP v3.

1

To enable the vCenter Server Appliance SNMP agent to send and receive SNMP v1 and v2c messages, you must configure at least one community for the agent.

2

You can use the vCenter Server Appliance SNMP agent to send virtual machine and environmental notifications to management systems.