We are planning to install Splunk Add-on for VMware. Do we have to install the Splunk OVA for VMware also or is that optional?
Adding to bparekh_splunk's answer. Here is the Doc to do manual.
https://docs.splunk.com/Documentation/OVAVMW/4.0.3/OVADCNVMW/InstalltheSplunkOVAforVMWare
VMWare OVA is used to create DCN. You can create DCN manually also (without OVA).