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# Attach an iSCSI endpoint to 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 iSCSI Endpoints (Attached or Unattached) to open the iSCSI endpoints list view.
4. Select an iSCSI endpoint and click Attach.
5. Select whether to use existing or new IP interfaces, and do one of the following depending on your selection:
   - Existing:
     1. Select an IP interface from the list. You can select a maximum of eight interfaces (including any interfaces that are already attached).
   - New:
     1. Select a director and port combination from the drop-down menu.
     2. Type a value for the IP Address. You specify the IPv4 address in dotted decimal notation. You specify the IPv6 address in colon-hexadecimal format.
     3. Type a value for the Prefix. You specify an IPv4 prefix length value in the range of 1-30. You specify an IPv6 prefix length value in the range of 1-128.
     4. Type a value for the VLAN ID. Valid values range from 0 through 4094. This setting fails if same VLAN ID is used for more than one IP interface on a specified SE physical port.
     5. View the value for the Network ID. Value that is displayed is based on the existing endpoint selection.
     6. Optional: Type a value for the Max Transmission Unit. The default value is 1500. Valid values range from 1200 through 9000.
     7. Optional: Click Add IP Interface to add one or more IP interfaces.
6. Click OK.
   If you switch between the New and Existing selections, the system applies only the changes from within your last selection.
7. Click OK to confirm your changes.