 you will route 20% of the TCP traffic to <code>tcp-echo:v2</code> using Istio&rsquo;s
weighted routing feature.</p><h2 id=before-you-begin>Before you begin</h2><ul><li><p>Setup Istio by following the instructions in the <a href=/v1.7/docs/setup/>Installation guide</a>.</p></li><li><p>Review the <a href=/v1.7/docs/concepts/traffic-management>Traffic Management</a> concepts doc.</p></li></ul><h2 id=set-up-the-test-environment>Set up the test environment</h2><ol><li><p>To get started, create a namespace for t