r each cluster. Follow the <a href=/v1.8/docs/tasks/security/cert-management/plugin-ca-cert/>instructions</a>
to generate and push a CA certificate secret to both the <code>cluster1</code> and <code>cluster2</code>
clusters.</p><div><aside class="callout tip"><div class=type><svg class="large-icon"><use xlink:href="/v1.8/img/icons.svg#callout-tip"/></svg></div><div class=content>If you currently have a single cluster with a self-signed CA (as described
in <a href=/v1.8/docs/setup/getting-started/>Getting St