If you want to use Kerberos authentication for client access, you must configure the storage virtual machine (SVM) to use an existing Kerberos realm. You can use System Manager to create a Kerberos realm configuration, which enables SVMs to use Kerberos security services for NFS.
This prevents authentication errors, and ensures that the timestamps in log files are consistent across the cluster.
While creating a Kerberos realm, you must set the following attributes in the Create Kerberos Realm wizard:
The default port number is 88.