4 Initial configuration This chapter describes the initial configuration of the IBM Storwize V7000 system. It provides  step-by-step instructions about how to create the cluster, define its basic settings, and add  nodes and optional expansion enclosures. Other features, such as user authentication, secure communications, and local port masking,  are also covered. These features are optional and do not need to be configured during the  initial configuration. This chapter includes the following topics: GLYPH<SM590000> 4.1, “Prerequisites” on page 88 GLYPH<SM590000> 4.2, “System initia lization” on page 89 GLYPH<SM590000> 4.3, “System setup” on page 92 GLYPH<SM590000> 4.4, “Configuring user authentication” on page 108 GLYPH<SM590000> 4.5, “Configuring secure communications” on page 117 GLYPH<SM590000> 4.6, “Configuring local Fibre Channel port masking” on page 121 GLYPH<SM590000> 4.7, “Other administrative procedures” on page 124 ' Copyright IBM Corp. 2011, 201 8, 2019. All rights reserved. 87