How to 查看及验证网络

了解如何配置的(https://kubernetes.io/zh/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/)
可以看出是在节点的/etc/cni/net.d路径下,查看其第一个文件,由下面可以看出配置的是flannal网络
该路径下存在文件:10-flannel.conflist
部署flannel

kubectl apply -f https://github.com/coreos/flannel/blob/master/Documentation/kube-flannel.yml

创建两个pod,然后测试是否互通

---
apiVersion: v1
kind: Pod
metadata:
  name: pod3
spec:
  containers:
  - name: pod3
    image: centos:7
    command:
      - /sbin/init

---
apiVersion: v1
kind: Pod
metadata:
  name: pod4
spec:
  containers:
  - name: pod4
    image: centos:7
    command:
      - /sbin/init

登入pod1,通过ping命令测试,若互通,则说明可以

kubectl exec -it pod1 bash
ping ****

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