1、node节点执行

kubeadm join 192.168.10.16:6443 --token hak4zi.hrib9uv4p62t1uok --discovery-token-ca-cert-hash sha256:4337638eef783ee6a66045ad699722079e071c2dfbaa21e37d3174f04d58ea97 --v=2
报错

[discovery] Failed to request cluster-info, will try again: Get "https://192.168.10.16:6443/api/v1/namespaces/kube-public/configmaps/cluster-info?timeout=10s": dial tcp 192.168.10.16:6443: connect: no route to host
2、master节点执行命令

systemctl stop firewalld
 

3、node节点重新执行join命令