LB-IPAM Graduation to Stable

SIG: sig-lb

Begin Design Discussion: 2025-04-23

Cilium Release: 1.18

Authors: Fabio Falzoi fabio.falzoi@isovalent.com

Summary

LB IPAM is a feature that allows Cilium to assign IP addresses to Services of type LoadBalancer.

Goals

• Validate LoadBalancer IP allocation and conflict handling with a real Kubernetes API server.

  • operator/pkg/lbipam: Add lifecycle tests for LB-IPAM #38965

• Changing from the alpha CRDs to the v2 CRDs

  • LB-IPAM: Promote CiliumLoadBalancerIPPool to v2 API version #39090
  • LB-IPAM: Deprecate CiliumLoadBalancerIPPool v2alpha1 #39134