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46 lines
1.7 KiB
Plaintext
46 lines
1.7 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * networking/k8s_nmstate/k8s-nmstate-updating-node-network-config.adoc
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[id="virt-example-host-vrf_{context}"]
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= Example: Network interface with a VRF instance node network configuration policy
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Associate a Virtual Routing and Forwarding (VRF) instance with a network interface by applying a `NodeNetworkConfigurationPolicy` custom resource (CR).
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:FeatureName: Associating a VRF instance with a network interface
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include::snippets/technology-preview.adoc[]
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By associating a VRF instance with a network interface, you can support traffic isolation, independent routing decisions, and the logical separation of network resources.
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In a bare-metal environment, you can announce load balancer services through interfaces belonging to a VRF instance by using MetalLB. For more information, see the _Additional resources_ section.
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The following YAML file is an example of associating a VRF instance to a network interface.
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It includes samples values that you must replace with your own information.
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[source,yaml]
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----
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apiVersion: nmstate.io/v1
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kind: NodeNetworkConfigurationPolicy
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metadata:
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name: vrfpolicy <1>
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spec:
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nodeSelector:
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vrf: "true" <2>
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maxUnavailable: 3
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desiredState:
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interfaces:
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- name: ens4vrf <3>
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type: vrf <4>
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state: up
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vrf:
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port:
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- ens4 <5>
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route-table-id: 2 <6>
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----
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<1> The name of the policy.
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<2> This example applies the policy to all nodes with the label `vrf:true`.
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<3> The name of the interface.
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<4> The type of interface. This example creates a VRF instance.
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<5> The node interface to which the VRF attaches.
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<6> The name of the route table ID for the VRF.
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