URL</code> is the value set in the <a href=/v1.10/docs/examples/bookinfo/>Bookinfo</a> example.</div></aside></div></li><li><p>Verify that the TCP metric values are being generated and collected.</p><p>In a Kubernetes environment, setup port-forwarding for Prometheus by
using the following command:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ istioctl dashboard prometheus
</code></pre><p>View the values for the TCP metrics in the Prometheus browser window. Select <strong>Graph</