Merge pull request #270662 from dramasamy/cni

Update howto-kubernetes-cluster-dual-stack.md

Author: prmerger-automator[bot]

articles/operator-nexus/howto-kubernetes-cluster-dual-stack.md

@@ -24,6 +24,7 @@ Before proceeding with this how-to guide, it's recommended that you:
 * Refer to the Nexus Kubernetes cluster [QuickStart guide](./quickstarts-kubernetes-cluster-deployment-bicep.md) for a comprehensive overview and steps involved.
 * Ensure that you meet the outlined prerequisites to ensure smooth implementation of the guide.
 * Knowledge of Kubernetes concepts, including deployments and services.
+* The Layer 3 (L3) network used for the `cniNetworkId` must have both IPv4 and IPv6 addresses.
 
 ## Limitations
 
@@ -201,4 +202,4 @@ Once the cluster has been created, you can deploy your workloads. This article w
 
 ## Next steps
 
-You can try deploying a network function (NF) within your Nexus Kubernetes cluster utilizing the dual-stack address.
+You can try deploying a network function (NF) within your Nexus Kubernetes cluster utilizing the dual-stack address.