![kubeadm centos 7 firewall kubeadm centos 7 firewall](https://i0.wp.com/networkhunt.com/wp-content/uploads/2021/11/image-7.png)
You can verify that they are with he following: # ip linkġ: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
#Kubeadm centos 7 firewall mac
Special Note: Make sure that you are using unique Mac addresses and product UUID is different.
![kubeadm centos 7 firewall kubeadm centos 7 firewall](https://miro.medium.com/max/1104/1*deHtlPFeSOWJsxNunC0Uwg.jpeg)
![kubeadm centos 7 firewall kubeadm centos 7 firewall](https://www.tecmint.com/wp-content/uploads/2020/01/Initialize-Kubernetes-Cluster-on-Master.png)