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01. 10. 2026 Daniel Vedovato DevOps, Kubernetes, NetEye

Planning Kubernetes Networking for a NetEye 4.49 Upgrade: The Service LoadBalancer CIDR

Upgrading an existing NetEye cluster to 4.49 introduces a networking question that’s easy to underestimate. The existing environment may already have everything we normally associate with a NetEye cluster: a corporate network for frontend access and integrations, a private trusted network for internal cluster communication, and the corresponding virtual IPs. With Kubernetes entering the architecture…

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30. 09. 2026 Luigi Miazzo Development, Kubernetes

Who Really Owns a Kubernetes LoadBalancer IP with Cilium?

When using Kubernetes on bare metal, exposing a LoadBalancer Service usually requires some mechanism to make the Service IP reachable from the surrounding network. With Cilium, one possible solution is L2 Announcements. Cilium can answer ARP or NDP requests for the LoadBalancer IP, effectively making that IP reachable from the local network. At first sight,…

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