Real IPs for k3s: MetalLB, VLANs, and Why I Had to Buy a Switch
A k3s LoadBalancer turned into a network rebuild — managed switch, VLANs, OPNsense, and MetalLB in L2 mode
How I gave my Proxmox k3s cluster a real LoadBalancer with MetalLB — and why getting there meant buying a managed switch, segmenting the network into VLANs, and working around the limits of Google Nest WiFi.
Posted by Rene Welches on Friday, June 12, 2026
Last Modified on Sunday, June 14, 2026