age-bash data-expandlinks=true data-repo=istio>$ kubectl --context=&#34;${CTX_CLUSTER2}&#34; create namespace istio-system
$ kubectl --context=&#34;${CTX_CLUSTER2}&#34; annotate namespace istio-system topology.istio.io/controlPlaneClusters=cluster1
</code></pre><h2 id=configure-cluster2-as-a-remote>将 <code>cluster2</code> 设为从集群</h2><p>保存 <code>cluster1</code> 东西向网关的地址。</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ export DISCOVERY_ADDRESS=$(kubec