You are expanding an existing cluster that uses BES-53248 cluster interconnect switches. You connected the new controllers to ports 0/17 through 0/20. However, you are unable to join the new nodes to the cluster.
Which action must be taken to solve the problem?
A. Install the license file.
B. Install the CSHM configuration file.
C. Install the reference configuration file.
D. Reboot the controllers.