![]() I paste my script below for your reference. Suggested by I indeed missed configuring the ports for k8s itself. So my question is, are there any ports I should add into firewalld? ~]# kubectl exec -ti dnsutils - nslookup fault However, if I stop the firewalld, everything is just fine. connection timed out no servers could be reached It turned out that there may be something wrong with my network or DNS process.įollowing, I add 82 to firewalld ~]# firewall-cmd -list-portĦ443/tcp 80/tcp 8285/udp 8472/udp 8472/tcp 8285/tcpĪnd I got ~]# kubectl exec -ti dnsutils - nslookup fault And then I found I can't reach the Internal. I initialized my cluster with flannel network addon. I'm playing around them on my 1 master and 2 nodes cluster (created from KVM).
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