o have the same Mesh ID value. If an existing cluster 'joins' a multicluster mesh, it will need to be migrated to the new mesh ID. Details of migration TBD, and it may be a disruptive operation to change the Mesh ID post-install. If the mesh admin does not specify a value, Istio will use the value of the mesh's Trust Domain. The best practice is to select a proper Trust Domain value.</code></td></tr><tr><td><code>global.localityLbSetting.enabled</code></td><td><code>true</code></td><td></td></tr></tbody></t