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# Edit an IP interface

Unisphere provides monitoring and management for Internet Small Computer Systems Interface (iSCSI) directors, iSCSI ports, iSCSI endpoints, IP interfaces, and IP routes.

## Steps

1. Select a storage system.
2. Select System > iSCSI to open the iSCSI dashboard.
3. Click IP Interfaces.
4. Select an IP interface and click Modify.
5. Select a director and port combination from the drop-down menu.
6. Modify the value for the IP Address.
   You specify the IPv4 address in dotted decimal notation. You specify the IPv6 address in colon-hexadecimal format. The IP address must be unique within each combination of SE Director Emulation and Network ID.
7. Modify the value for the Prefix.
   You specify an IPv4 prefix length value in the range of 1 to 30. You specify an IPv6 prefix length value in the range of 1 through 128.
8. Modify the value for the Network ID.
   Valid values range from 1 through 16383.
9. Optional: Modify the value for the Maximum Transmission Unit.
   Default value is 1500. Valid values range from 1200 through 9000.
10. Click OK.