34;
hello ipv4
$ kubectl exec -it &#34;$(kubectl get pod -l app=sleep -o jsonpath=&#39;{.items[0].metadata.name}&#39;)&#34; -- sh -c &#34;echo ipv6 | nc tcp-echo.ipv6 9000&#34;
hello ipv6
</code></pre></li><li><p>Verify the envoy listeners:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl proxy-config listeners &#34;$(kubectl get pod -n dual-stack -l app=tcp-echo -o jsonpath=&#39;{.items[0].metadata.name}&#39;)&#34; -n dual-stack --port 9000
</code></pre><p>You will see lis