NetApp
7-mode/HA pair/V-Series : Configuration : Network : NIS : Configuring NIS : Adding or editing the NIS domain name
Adding or editing the NIS domain name
You can use the Edit NIS Settings dialog box to add or modify the NIS domain name of your storage system.
Steps 
1.
From the Home tab, double-click the appropriate storage system to display a subtree of management features.
2.
Click Configuration > Network > NIS.
3.
Click Edit.
4.
In the NIS domain name box, type or change the NIS domain name.
5.
In the IP address box, type the IP address of the NIS server and click Add.
6.
Click OK.