A. The "clientip" setting does not apply to clusters, it only pertains to a Forwarder.
B. When set to "clientip" it uses the client's IP address to bind the client to a particular target server.
C. When set to "clientip" it allows a DX sticky cookie to be sent to and stored by the client based on the IP address.
D. When set to "clientip" it ensures that all subsequent requests are directed to the same client that made the initial request.