配规则时，会出现此消息，因为之前的规则中指定了相同的匹配规则。</p><h2 id=example>示例</h2><p>当您的集群中包含下列 Virtual Service 时：</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: tls-routing
spec:
  hosts:
  - www1.googleapis.com
  - api1.facebook.com
  tls:
  - match:
    - port: 2443
      sniHosts:
      - www1.googleapis.com
    route:
    - destination