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docs: add note on multus oom #345

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12 changes: 12 additions & 0 deletions public/kubernetes-guides/cni/multus.mdx
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Expand Up @@ -58,6 +58,18 @@ Set the following command to the `install-multus-binary` container.
- "thick"
```

As of February 03, 2025, Multus has a [bug](https://github.com/k8snetworkplumbingwg/multus-cni/issues/1346) when deployed with the default resource limits. The issue can lead to primary CNI plugin getting OOM-killed in the kube-multus-ds DaemonSet pod because the 50Mi memory limit is too low. To mitigate this issue, increase the resource limits on the daemonset:

```yaml
resources:
limits:
cpu: 300m
memory: 150Mi
requests:
cpu: 200m
memory: 100Mi
```

### Creating your `NetworkAttachmentDefinition`

The `NetworkAttachmentDefinition` configuration is used to define your bridge where your second pod interface needs to be attached to.
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