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OSDOCS-11732: Add dummy device as additional network

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- https://issues.redhat.com/browse/OSDOCS-11732
This commit is contained in:
Jason Boxman
2024-09-11 14:00:58 -04:00
committed by openshift-cherrypick-robot
parent a003da6aee
commit ca2943fa1e
2 changed files with 56 additions and 0 deletions
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52
modules/nw-multus-dummy-device-object.adoc Normal file
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// Module included in the following assemblies:
//
// * networking/multiple_networks/configuring-additional-network.adoc
:_mod-docs-content-type: REFERENCE
[id="nw-multus-dummy-device-object_{context}"]
= Configuration for a dummy device additional network
The dummy CNI plugin functions like a loopback device. The plugin is a virtual interface, and you can use the plugin to route the packets to a designated IP address. Unlike a loopback device, the IP address is arbitrary and is not restricted to the `127.0.0.0/8` address range.
The following object describes the configuration parameters for the dummy CNI plugin:
.Dummy device CNI plugin JSON configuration object
[cols=".^2,.^2,.^6",options="header"]
|====
|Field|Type|Description
|`cniVersion`
|`string`
|The CNI specification version. The required value is `0.3.1`.
|`name`
|`string`
|The value for the `name` parameter that you previously specified for the CNO configuration.
|`type`
|`string`
|The name of the CNI plugin that you want to configure. The required value is `dummy`.
|`ipam`
|`object`
|The configuration object for the IPAM CNI plugin. The plugin manages the IP address assignment for the attachment definition.
|====
[id="nw-multus-dummy-device-config-example_{context}"]
== dummy configuration example
The following example configures an additional network named `hostdev-net`:
[source,json]
----
{
"cniVersion": "0.3.1",
"name": "dummy-net",
"type": "dummy",
"ipam": {
"type": "host-local",
"subnet": "10.1.1.0/24"
}
}
----

4
networking/multiple_networks/configuring-additional-network.adoc
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@@ -9,6 +9,7 @@ toc::[]
As a cluster administrator, you can configure a primary network for your cluster. The following network types are supported:
* xref:../../networking/multiple_networks/configuring-additional-network.adoc#nw-multus-bridge-object_configuring-additional-network[Bridge]
* xref:../../networking/multiple_networks/configuring-additional-network.adoc#nw-multus-dummy-device-object_configuring-additional-network[Dummy device]
* xref:../../networking/multiple_networks/configuring-additional-network.adoc#nw-multus-host-device-object_configuring-additional-network[Host device]
* xref:../../networking/multiple_networks/configuring-additional-network.adoc#nw-multus-vlan-object_configuring-additional-network[VLAN]
* xref:../../networking/multiple_networks/configuring-additional-network.adoc#nw-multus-ipvlan-object_configuring-additional-network[IPVLAN]
@@ -166,6 +167,9 @@ include::modules/nw-multus-bridge-object.adoc[leveloffset=+2]
// Configuration for a host device additional network
include::modules/nw-multus-host-device-object.adoc[leveloffset=+2]
// Configure for a dummy additional network
include::modules/nw-multus-dummy-device-object.adoc[leveloffset=+2]
// Configuration for an VLAN additional network
include::modules/nw-multus-vlan-object.adoc[leveloffset=+2]