/docs/setup/install/istioctl/>installed using istioctl</a>.</p></li></ul><h2 id=upgrade-steps>Upgrade steps</h2><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.17/img/icons.svg#callout-warning"/></svg></div><div class=content>Traffic disruption may occur during the upgrade process. To minimize the disruption, ensure
that at least two replicas of <code>istiod</code> are running. Also, ensure that
<a href=https://kubernetes.io/docs/tasks/run-application/configu