><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.5/img/icons.svg#callout-warning"/></svg></div><div class=content>In order to deploy Istio 1.4 on OpenShift with CNI you need to use at least Istio 1.4.8.</div></aside></div><h3 id=gke-setup>GKE setup</h3><ol><li><p>Refer to the procedure to <a href=/v1.5/docs/setup/platform-setup/gke/>prepare a GKE cluster for Istio</a> and
enable <a href=https://cloud.google.com/kubernetes-engine/docs/how-to/network-policy>network-