t to a control plane
running in a <a href="/docs/reference/glossary/#primary-cluster">primary cluster</a>
or to an <a href="/docs/reference/glossary/#external-control-plane">external control plane</a>.</p>
'>remote cluster</span> of an
<a href=/v1.21/docs/setup/install/external-controlplane/>external control plane</a> or a <a href=/v1.21/docs/setup/install/multicluster/>multicluster</a>
Istio deployment, some of the commands will not work by default. For example, <code>istioctl proxy-status</code> requires 