Draft Document for Review December 5, 2019 4:33 pm 8456ch_ConfigGUI.fm 11.3 System configuration overview 11.3.1 View and change the customer network settings Figure 11-18 Customer Network Settings After the DS8900F administrator configures the initial system, the administrator can configure  additional system functions according to the storage requirements. You can change the network settings on the following tabs. The network settings for both HMCs are generally performed by IBM Service personnel  during system installation. To modify the HMC network information post installation, click  Settings  Network  Ethernet Network,  as shown in Figure 11-18. Ethernet Network Fibre Channel Ports From the Fibre Channel Ports tab of the Network Settings window, shown in Figure 11-18,  you can configure the protocol that is used by the Fibre Channel ports or view the properties  of those ports. Figure 11-19 on page 282 shows the Fibre Channel ports window with all  available options listed: Set the protocol that is used for connecting to a host or another storage system. Select this option to view details about connections that are logged in to a Fibre Channel  port. Use this option to view graphs showing key performance metrics for fibre channel ports,  such as IOPS, Latency, and Bandwidth. See “Creating Fibre Channel port performance  graphs” on page 364.  GLYPH<SM590000> Modify Protocol GLYPH<SM590000> Logged in WWPNs GLYPH<SM590000> Performance Chapter 11. DS8900F Storage Management GUI  281