v1
      weight: 100
    mirror:
      host: httpbin
      subset: v2
EOF
</code></pre><p>This route rule sends 100% of the traffic to <code>v1</code>. The last stanza specifies
that you want to mirror to the <code>httpbin:v2</code> service. When traffic gets mirrored,
the requests are sent to the mirrored service with their Host/Authority headers
appended with <code>-shadow</code>. For example, <code>cluster-1</code> becomes <code>cluster-1-shadow</code>.</p><p>Also, it is important to note that these requ