Cilium Debugging Tips

Check Cilium Feature Status

View the actual status of various features in the currently deployed Cilium:

Brief

kubectl exec ds/cilium -- cilium status

Verbose

kubectl exec ds/cilium -- cilium status --verbose

Monitor Cilium Network on a Specific Node

bash

NODE=172.22.48.23
POD=$(kubectl --namespace=kube-system get pod --field-selector spec.nodeName=$NODE -l k8s-app=cilium -o json | jq -r '.items[0].metadata.name')
kubectl --namespace=kube-system exec -it $POD -- cilium monitor

fish

set NODE 172.22.48.23
set POD $(kubectl --namespace=kube-system get pod --field-selector spec.nodeName=$NODE -l k8s-app=cilium -o json | jq -r '.items[0].metadata.name')
kubectl --namespace=kube-system exec -it $POD -- cilium monitor

Note

Replace the value of NODE with the actual node name you want to monitor.