Need to route the traffic of NAS Shares through the Management IP( and Data through Data IP(Subnet)

We are having 3 subnet data , Management , Backup
Through the data Subnet data will be floe with data IP
Through the Management IP we have to route the NAS Shares
Through the Backup IP backup is taken care.

steps:-

  1. Unmount all Netapp NAS Shares from server
  2. Route the Netapp NAS shares via the admin interface/Management interface
  3. Mount the Netapp NAS Shares back

Need the help to rough the NAS Share via Management IP. Kindly provide the step/Solution for that.

for the Data network Gateway has been added in netstat -rn command, Also for Managment Ip we tried but no luck