text: Figure 8-10 Network: iSCSI settings 
  
  2. 
  In the iSCSI Configuration window, we can modify the system name, node names, and 
  provide an optional iSCSI Alias for each node, if wanted (see Figure 8-11). 
  
  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. 
  
  **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. 
  
  5. Click the**Ethernet Ports**tab to set the iSCSI IP address for each node (see Figure 8-12). 