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document static routes

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buchel_k
2023-12-19 10:56:21 +01:00
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admin-guide/configuration/networking.md
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@@ -96,6 +96,30 @@ networking::connection::ipoib_network:
NetworkManager also supports other types like `wifi`, `vpn`, `bridge`, `vlan`, etc. Note that other types than `ethernet` and `ethernet` have so far not been tested. Please contact us if you managed to set up some other network type or need help to do so.
### Static Routes
Static routes can be added with the `additional_config` key in the connection settings.
Depending on the IP version there is a `ipv4` or `ipv6` subkey which then can contain many `routes` + number keys. So the first route is `routes1`, the second `routes2`, etc.
The minimal entry for `routesX` is the network and then, separated with a comma, the next hop IP. The optinal third entry is the metric.
For each route you may also add a option key `routesX_options`, where multiple options in the form `name=value` can be added, again comma separated.
An example:
```
networking::connection::management_network:
interface_name: 'eno1'
ipv4_method: 'manual'
ipv4_address: '192.168.71.10/24'
ipv6_method: 'disabled'
additional_config:
ipv4:
routes1: '10.255.254.0/24,192.168.71.10'
routes2: '10.255.255.0/24,192.168.71.10,100'
routes2_options: 'lock-cwnd=false,lock-mtu=false'
```
All routing options can be found in the Red Hat NetworkManager documentation ([RHEL8](https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_networking/configuring-static-routes_configuring-and-managing-networking#how-to-use-the-nmcli-command-to-configure-a-static-route_configuring-static-routes), [RHEL9](https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/configuring_and_managing_networking/configuring-static-routes_configuring-and-managing-networking#how-to-use-the-nmcli-command-to-configure-a-static-route_configuring-static-routes)).
### DNS Override
The internal nameservers are configured according to the network zone by Puppet.