jsturtevant/docker-bridge-k8s.md

Created April 2, 2020 16:21

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docker cidr's in aks

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docker-bridge-k8s.md

General kubernetes networking info

https://medium.com/@tao_66792/how-does-the-kubernetes-networking-work-part-1-5e2da2696701

Docker Cidr

Can they overlap?

In GKE this is overridden as that network is not used in kubernetes: set docker0 cidr to private ip address range to avoid conflict with cbr0 cidr range

Links to the Kubenet where CBR0 configured:

https://github.com/containernetworking/plugins/blob/master/plugins/main/bridge/bridge.go#L341 https://github.com/kubernetes/kubernetes/blob/eedfb6bc7a2e3e4d3d69a9fc466dd58795fb0283/pkg/kubelet/dockershim/network/kubenet/kubenet_linux.go#L88 https://github.com/containernetworking/plugins/blob/117e30ff2151e8ae8b3c49fcdcc77def3fae6c9d/plugins/main/bridge/bridge.go#L216

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