In previous releases of ESXi, only SNMP v1 and v2c was supported on the host. With the latest release of ESXi 5.1, we now have added support for SNMPv3 which provides additional security when collecting data from the ESXi host. You also have the ability to specify where to source hardware alerts using either IPMI sensors (as used by previous release of ESXi) or CIM indicators. You can also filter