t-zhdocssetupadditional-setupdual-stack-1-1-tab><pre><code class=language-yaml data-expandlinks=true data-repo=istio>meshConfig:
  defaultConfig:
    proxyMetadata:
      ISTIO_DUAL_STACK: &#34;true&#34;
values:
  pilot:
    env:
      ISTIO_DUAL_STACK: &#34;true&#34;
  # 以下值是可选的，可以根据您的要求使用
  gateways:
    istio-ingressgateway:
      ipFamilyPolicy: RequireDualStack
    istio-egressgateway:
      ipFamilyPolicy: RequireDualStack</code></pre></div></div></div><h2 id=verifi