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document auto_static_ip

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buchel_k
2024-04-09 16:49:11 +02:00
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admin-guide/configuration/networking.md
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@@ -2,18 +2,20 @@
Our Puppet configuration management supports four types of network configuration:
- **auto**: NetworkManager does automatic configuration while respecting local user managed configuration
- **auto_static_ip**: static NetworkManager connection with IP from DNS and network information from DHCP
- **managed**: NetworkManger is fully managed via Hiera/Puppet
- **unmanaged**: network configuration (incl. DNS) is not touched by Puppet
- **legacy**: Puppet keeps network configuration untouched except for DNS configuration and applying `network::*` Hiera settings
Not all types are supported by all RedHat versions:
| Type | RHEL7 | RHEL8 | RHEL9 |
|-----------|---------|---------|---------|
| auto | \- | ✓ | Default |
| managed | \- | ✓ | ✓ |
| unmanaged | \- | ✓ | ✓ |
| legacy | Default | Default | \- |
| Type | RHEL7 | RHEL8 | RHEL9 |
|----------------|---------|---------|---------|
| auto | \- | ✓ | Default |
| auto_static_ip | \- | ✓ | ✓ |
| managed | \- | ✓ | ✓ |
| unmanaged | \- | ✓ | ✓ |
| legacy | Default | Default | \- |
## Automatic Network Configuration
@@ -31,6 +33,16 @@ DNS configuration as such is learned by autoconfiguration/manual connection conf
Note that when changing to `auto` all legacy `ifcfg` files for network configuration are removed.
## Automatic Network Configuration with Static IP Address
In a setup where there is just one static IP address which can be resolved via DNS, Puppet can configure a static connection with
```
networking::setup: auto_static_ip
```
Note this only works if there is a DHCP server in that network which provides the network mask and the default gateway IP address.
## Managed Network Configuration
The network configuration can be fully and fine-grained be managed from Hiera with