NetApp
7-mode/HA pair/V-Series : Configuration : Network : Network Files : Configuring network files : Adding a host

Adding a host
You can use the Add Host dialog box to add IP address or host name entries in the/etc/hosts file. Data ONTAP uses this file on the storage system's default volume, NIS, and DNS to resolve host names.
About this task 
The /etc/hosts file contains information regarding the known hosts on the network. Each internet IP address is associated with the official host name and any host name aliases.
Steps 
1.
From the Home tab, double-click the appropriate storage system to display a subtree of management features.
2.
Click Configuration > Network > Network Files.
3.
If the appropriate tab is not displayed, click Etc Hosts.
4.
Click Add.
5.
In the IP Address field, type the IP address of the local host you want to add.
6.
In the Host Name field, type the name of the local host you are adding.
7.
In the Aliases field, type any aliases you might use for this local host and click Add.
8.
Verify that the local host information that you added is included in the list of host configurations in the Etc Hosts tab.