To configure backups of a client in a multi-NIC environment where SQL Server is clustered, you must provide the following for NetBackup:
You can set client name during the installation of the NetBackup client. Or you can change it in the NetBackup Client Properties dialog box in the Backup, Archive, and Restore interface.
Set the public interface name the NetBackup Microsoft SQL Client interface, in the "SQL Server connection properties" dialog box.