NVIDIA Docs Hub Homepage NVIDIA Networking Networking Software Cloud Orchestration NVIDIA Network Operator v25.7.0 Deploy MacVLAN Network with RDMA Shared Device

Deploy MacVLAN Network with RDMA Shared Device

Step 1: Create NicClusterPolicy with RDMA shared device

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            apiVersion: mellanox.com/v1alpha1
kind: NicClusterPolicy
metadata:
  name: nic-cluster-policy
spec:
  rdmaSharedDevicePlugin:
    image: k8s-rdma-shared-dev-plugin
    repository: nvcr.io/nvidia/mellanox
    version: network-operator-v25.7.0
    config: |
      {
        "configList": [
          {
            "resourceName": "rdma_shared_device_a",
            "rdmaHcaMax": 63,
            "selectors": {
              "ifNames": ["ens1f0"]
            }
          }
        ]
      }
  nvIpam:
    image: nvidia-k8s-ipam
    repository: nvcr.io/nvidia/mellanox
    version: network-operator-v25.7.0
    imagePullSecrets: []
    enableWebhook: false
  secondaryNetwork:
    cniPlugins:
      image: plugins
      repository: nvcr.io/nvidia/mellanox
      version: network-operator-v25.7.0
    multus:
      image: multus-cni
      repository: nvcr.io/nvidia/mellanox
      version: network-operator-v25.7.0

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            kubectl apply -f nicclusterpolicy.yaml

Step 2: Create IPPool for nv-ipam

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            apiVersion: nv-ipam.nvidia.com/v1alpha1
kind: IPPool
metadata:
  name: macvlan-pool
  namespace: nvidia-network-operator
spec:
  subnet: 192.168.4.0/24
  perNodeBlockSize: 50
  gateway: 192.168.4.1

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            kubectl apply -f ippool.yaml

Step 3: Create MacvlanNetwork

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            apiVersion: mellanox.com/v1alpha1
kind: MacvlanNetwork
metadata:
  name: macvlan-network
spec:
  networkNamespace: "default"
  master: "ens1f0"
  mode: "bridge"
  mtu: 1500
  ipam: |
    {
      "type": "nv-ipam",
      "poolName": "macvlan-pool"
    }

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            kubectl apply -f macvlannetwork.yaml

Step 4: Deploy test workload

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            apiVersion: v1
kind: Pod
metadata:
  name: macvlan-test-pod
  annotations:
    k8s.v1.cni.cncf.io/networks: macvlan-network
spec:
  containers:
  - name: test-container
    image: mellanox/rping-test
    command: ["/bin/bash", "-c", "sleepinfinity"]
    securityContext:
      capabilities:
        add: ["IPC_LOCK"]
    resources:
      requests:
        rdma/rdma_shared_device_a: 1
      limits:
        rdma/rdma_shared_device_a: 1

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            kubectl apply -f pod.yaml

Verify the deployment:

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            kubectl exec -it macvlan-test-pod -- ip addr show
kubectl exec -it macvlan-test-pod -- ibv_devinfo

Complete Configuration

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            apiVersion: mellanox.com/v1alpha1
kind: NicClusterPolicy
metadata:
  name: nic-cluster-policy
spec:
  rdmaSharedDevicePlugin:
    image: k8s-rdma-shared-dev-plugin
    repository: nvcr.io/nvidia/mellanox
    version: network-operator-v25.7.0
    config: |
      {
        "configList": [
          {
            "resourceName": "rdma_shared_device_a",
            "rdmaHcaMax": 63,
            "selectors": {
              "ifNames": ["ens1f0"]
            }
          }
        ]
      }
  nvIpam:
    image: nvidia-k8s-ipam
    repository: nvcr.io/nvidia/mellanox
    version: network-operator-v25.7.0
    imagePullSecrets: []
    enableWebhook: false
  secondaryNetwork:
    cniPlugins:
      image: plugins
      repository: nvcr.io/nvidia/mellanox
      version: network-operator-v25.7.0
    multus:
      image: multus-cni
      repository: nvcr.io/nvidia/mellanox
      version: network-operator-v25.7.0
---
apiVersion: nv-ipam.nvidia.com/v1alpha1
kind: IPPool
metadata:
  name: macvlan-pool
  namespace: nvidia-network-operator
spec:
  subnet: 192.168.4.0/24
  perNodeBlockSize: 50
  gateway: 192.168.4.1
---
apiVersion: mellanox.com/v1alpha1
kind: MacvlanNetwork
metadata:
  name: macvlan-network
spec:
  networkNamespace: "default"
  master: "ens1f0"
  mode: "bridge"
  mtu: 1500
  ipam: |
    {
      "type": "nv-ipam",
      "poolName": "macvlan-pool"
    }
---
apiVersion: v1
kind: Pod
metadata:
  name: macvlan-test-pod
  annotations:
    k8s.v1.cni.cncf.io/networks: macvlan-network
spec:
  containers:
  - name: test-container
    image: mellanox/rping-test
    command: ["/bin/bash", "-c", "sleepinfinity"]
    securityContext:
      capabilities:
        add: ["IPC_LOCK"]
    resources:
      requests:
        rdma/rdma_shared_device_a: 1
      limits:
        rdma/rdma_shared_device_a: 1

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