public void setIpAddressType(String ipAddressType) {
        this.ipAddressType = ipAddressType;
    }
<p>
The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.
</p>

@param ipAddressType
       The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Cluster.java