Also could you explain further your network topology so we can understand why you are experiencing the behavior? Also, I would not make changes to any .conf file because many of them are dynamically created and changing them could break the feature from the WebUI.
If possible please start a support case with Cisco Support at 1.866.606.1866 (US) so we can track your problem regardless if this is just a configuration problem or software problem.
Article ID:1717 Time Machine Backup on NSS300 Smart Storage Series
Objective This document explains the steps for Time Machine Backup. The
Network Attached Storage (NAS) is used as one of the destinations for
the backup of files. It is a file-level comput...
Article ID:28 Basic and Advanced System Reset on NSS300 Series Smart
Storage Objective The NSS devices have two types of System Resets: Basic
and Advanced. An understanding of both of these resets will allow the
user to recover from unpredictable situatio...
Article ID:40 Expansion of Disk Capacity of RAID 5 on the NSS300 Series
(Except NSS322) Objective RAID stands for Redundant Array of Independent
Disks. RAID 5 combines three or more disks in a way that shields the
data against loss of any one disk. In a R...