Install an unmanaged CNI plugin - Mirantis Kubernetes Engine Go to the controller node and run the command kubectl get nodes to verify if the worker has joined the cluster. Configure Kubernetes Master On the master node, we want to run: sudo kubeadm init --pod-network-cidr=10.244../16 The --pod-network-cidr=10.244../16 option is a requirement for Flannel - don't change that network address! After installing Kubernetes, you must install a default network CNI plugin. CNI with Multus | Ubuntu CNI plugins allocate functionalities like namespace isolation, traffic, and IP filtering, which by default, the Kubernetes Kube-Net plugin does not provide. If a developer needs more features like isolation between . This document describes a few methods for getting started with Kubernetes. Amazon EKS supports native VPC networking with the Amazon VPC Container Network Interface (CNI) plugin for Kubernetes. - kubernetes-the-hard-way-on-proxmox/09-bootstrapping-kubernetes-workers.md at master . flannel. As the CNI concept took off, a CNI plugin for Flannel was an early entry. Create a network attachment definition file. Let's install Kubernetes CLI to initialize, configure and administer the Kubernetes cluster. Install Kubernetes 1.23, containerd, and Multus CNI the Easy Way Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition. Install Docker. How to choose a k8s CNI plugin - Medium Let's run the commands . CNI (Container Networking Interface) is an interface between container runtime and network implementation. Typically, you would need to install the CNI packages, but they're already installed in this case. Kubeadm is a tool that is a part of the Kubernetes project which helps to initialize the Kubernetes cluster.