Limits the maximum protocol version used to connect to the nodes, when it is not set protocol version used between the driver and the Cassandra cluster is negotiated upon establishing the first connection.

Useful for using the driver against a cluster that contains nodes with different major/minor versions of Cassandra. For example, preparing for a rolling upgrade of the Cluster.

Limits the maximum protocol version used to connect to the nodes

When it is not set, the protocol version used is negotiated between the driver and the Cassandra cluster upon establishing the first connection.

Useful when connecting to a cluster that contains nodes with different major/minor versions of Cassandra. For example, preparing for a rolling upgrade of the Cluster.