- In ambient mode, the CNI plugin does not configure any networking, but is only responsible for synchronously pushing new pod events back up to an ambient watch server which runs as part of the Istio CNI node agent. The ambient server will find the pod netns and configure networking inside that pod via iptables. The ambient server will additionally watch enabled namespaces,...

```yaml
networkGateway: network-1
```

### Migrating from other installation methods

Installations from other installation methods (such as istioctl, Istio Operator, other helm charts, etc) can be migrated to use the new Helm charts
following the guidance below.
If you are able to, a clean installation is simpler. However, this often requires an external IP migration which can be challenging.