K8s Container Network Interface (CNI)

Container Network Interface (CNI)

The Container Network Interface (CNI) plugin is selected by passing kubelet the --network-plugin=cni

• v1.18 Update CNI version to v0.8.5

• Calico
• Flannel
• Multus CNI

CKA

• CKA v1.23 CKA v1.26: Choose an appropriate container network interface plugin
• CKA v1.18: Understand CNI

helm search repo eks | grep cni
eks/aws-vpc-cni                             1.1.10          v1.9.3          A Helm chart for the AWS VPC CNI

Related terms

• Kubernetes networking
• Podman v2.0.0 (Jun 2020), default Podman CNI configuration now sets HairpinMode to allow communication between containers by connecting to a forwarded port on the host.
• kubeadm
• kubectl -n kube-system -l=k8s-app=kube-dns get pods
• kubelet: --network-plugin=cni
• Container Storage Interface (CSI)
• Weave Net

See also

• Kubernetes networking: Container Network Interface (CNI), VPC CNI, Multus CNI, Calico, Flannel
• Kubernetes networking networking.k8s.io: network policies, Network Policy Providers, CNI, Calico, flannel, Service mesh, Istio, kube-proxy, coredns, AWS VPC CNI: vpc-cni, Kubernetes: Ingress controllers, IPVS, ServiceTypes: LoadBalancer, ClusterIP, NodePort, ExternalName, Endpoints, EndpointSlices, Kubernetes DNS, svc.cluster.local, Weave Net, Cilium, Traefik, GKE Dataplane V2