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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 will be fixed in a future release. For version 4.1.3, Mirantis only supports fresh installations.

Limitations#

Prior to installing an unmanaged CNI plugin for use with MKE 4k, you should be familiar with the limitations imposed by the product:

  • MKE 4k does not manage the version or configuration of third-party CNIs. As such, you will need to handle upgrades to such CNIs separately from MKe 4k upgrades.

  • Switching between a managed CNI and an unmanaged CNI on a running MKE 4k cluster is not supported by MKE 4k.