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Island 8 · Networking · Port 8.6

Cluster networking ports

Ask the Captain
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kubectl logs times out. One port is blocked.
You'll learn to

list the ports each component needs

Recap

  1. 16443 API server · 2379/2380 etcd
  2. 210250 kubelet (logs, exec, port-forward)
  3. 330000-32767 NodePorts · unique hostnames and MACs
Check yourself

kubectl logs and exec time out, everything else works. Which port is most likely blocked?

8.6

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