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· 6 min read

Azure BYOCNI configuration allows the use of cilium as CNI, in addition it is possible to configure cilium service mesh.

Cilium service mesh has several functionalities such as ingress controller, gateway api, mtls etc... my objective here is to use k8s gateway api. In order to enable cilium service mesh we have to replace kube-proxy with cilium itself, to do so we need to enable the kube proxy configuration feature on aks, which is currently in preview.

Cilium supports gateway api v1 from version 1.15, which is the one that I'm installing today. In particular I will install gateway api v1 experimental channel. This will allow to configure the underlying infrastructure (an azure load balancer) if needed.