PORT</code> environment variables. Make sure
they have valid values, according to the output of the following commands:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get svc -n istio-system
$ echo &#34;INGRESS_HOST=$INGRESS_HOST, INGRESS_PORT=$INGRESS_PORT&#34;
</code></pre></li><li><p>Check that you have no other Istio ingress gateways defined on the same port:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get gateway --all-namespaces
