tions, configuration options, and API calling parameters.">Reference</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.21/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Commands</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Commands</h1></div></div><p>Describes usage and options of the Istio commands and utilities.</p><div class=section-index><div class=entry title="31 minute read"><h5><a href=/v1.21/docs/reference/commands/install-cni/>install-cni</a></h5><p>Install and 