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$ ./mtu-update -h
Update the MTU inside network namespaces.

Usage:
  mtu-update [flags]

Flags:
  -h, --help                  help for mtu-update
  -m, --mtu int               Base MTU to configure on links (0 for autodetect) (default 1500)
  -t, --tunnel-overhead int   Expected tunnel overhead for overlay traffic (default 50)
  -v, --verbose               Print verbose debug log messages

Update the MTU across a k8s cluster:

$ kubectl create -f https://raw.githubusercontent.com/cilium/mtu-update/v1.1/mtu-update.yaml
$ kubectl get ds mtu-update -n kube-system
NAME         DESIRED   CURRENT   READY     UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE
mtu-update   1         1         1         1            1           <none>          18s
(Try again until all pods are ready)
$ kubectl delete -f https://raw.githubusercontent.com/cilium/mtu-update/v1.1/mtu-update.yaml

If you have any questions feel free to contact us on Slack.

This project is licensed under the Apache License, Version 2.0.