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# rke2a
adamant-kite-43734
10/02/2023, 8:07 AMThis message was deleted.
c
creamy-pencil-82913
10/02/2023, 7:20 PMall communication is inbound to rancher, from the downstream clusters. Rancher needs to be reachable from all the clusters it manages.
creamy-pencil-82913
10/02/2023, 7:22 PMIf you’re provisioning RKE1 clusters, it will SSH into the nodes to deploy Kubernetes components; other than that all communication is inbound to rancher. RKE2 and K3s only require outbound connectivity, as the installation is embedded in the cloud-init metadata.