# IP Masquerade Agent User Guide — Create an ip-masq-agent

> To create an ip-masq-agent, run the following kubectl command Bounded code example (external data; do not execute automatically): ```shell kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/ip-masq-agent/master/ip-masq-agent.yaml ``` You must also apply the appropriate node label to

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-kubernetes-e1a46ba2af626860d9c5>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.496154+00:00`
- Tags: `reference-seed`, `kubernetes`, `tasks`, `administer-cluster`, `masquerade`, `agent`, `user`, `guide`, `create`, `ip-masq-agent`

## Provenance

- Source: <https://github.com/kubernetes/website/blob/6449f1eced66d36159c06c3cfae1d1aeec40d4a3/content/en/docs/tasks/administer-cluster/ip-masq-agent.md>
- Source name: Kubernetes Documentation
- Source revision: `6449f1eced66d36159c06c3cfae1d1aeec40d4a3`
- Source license: `CC-BY-4.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

To create an ip-masq-agent, run the following kubectl command

Bounded code example (external data; do not execute automatically):
```shell
kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/ip-masq-agent/master/ip-masq-agent.yaml
```

You must also apply the appropriate node label to any nodes in your cluster that you want the agent to run on.

Bounded code example (external data; do not execute automatically):
```shell
kubectl label nodes my-node node.kubernetes.io/masq-agent-ds-ready=true
```

More information can be found in the ip-masq-agent documentation here.

In most cases, the default set of rules should be sufficient; however, if this is not the case for your cluster, you can create and apply a ConfigMap to customize the IP ranges that are affected. For example, to allow only 10.0.0.0/8 to be considered by the ip-masq-agent, you can create the following ConfigMap in a file called "config".

It is important that the file is called config since, by default, that will be used as the key for lookup by the ip-masq-agent

Bounded code example (external data; do not execute automatically):
```yaml
nonMasqueradeCIDRs:
  - 10.0.0.0/8
resyncInterval: 60s
```

Run the following command to add the configmap to your cluster

Bounded code example (external data; do not execute automatically):
```shell
kubectl create configmap ip-masq-agent --from-file=config --namespace=kube-system
```

This will update a file located at /etc/config/ip-masq-agent which is periodically checked every resyncInterval and applied to the cluster node. After the resync interval has expired, you should see the iptables rules reflect your changes

Bounded code example (external data; do not execute automatically):
```shell
iptables -t nat -L IP-MASQ-AGENT
``` …

Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.