334 Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1
3. The window displays an Apply Changes prompt to apply any changes you made before 
continuing, 
4. Lower in the configuration window, you can also configure internet Storage Name Service 
(iSNS) addresses and CHAP if you need these in your environment. 
5. Click the Ethernet Ports tab to set the iSCSI IP address for each node (see Figure 8-12). 
Figure 8-12   Enter an iSCSI IP address
6. Select the port that is wanted to set the iSCSI IP information. Click Actions, and then, 
Modify IP Settings (see Figure 8-13 on page 335).
Note: The authentication of hosts is optional. By default, it is disabled. The user can 
choose to enable CHAP or CHAP authentication, which involves sharing a CHAP 
secret between the cluster and the host. If the correct key is not provided by the host, 
the Storwize V7000 does not allow it to perform I/O to volumes. Also, you can assign a 
CHAP secret to the cluster.