Due to upgrade issues with the Envoy gateway and the offline installation environments, upgrading to MKE 4k 4.1.3 is not recommended. These issues are fixed in the 4.1.4 release. For version 4.1.3, Mirantis only supports fresh installations.

Child clusters

The configuration of MKE 4k child clusters is similar to that of standalone clusters. There are significant differences, however, which are detailed herein:

• infrastructure options
• kube-apiserver options
• Network options
• Audit logging options
• Kubelet options
• Drift detection options
• Airgap options
• Cloud provider options
• Kubernetes provider specifications
• MetalLB load balancer service
• MKE 4k Dashboard service
• Authentication options
• Port ranges