Calico picks the wrong interface. Pod networking breaks silently.

Calico and Tailscale Have a BGP Conflict. Here's Exactly What Breaks and How to Fix It.

If you’re building a bare metal Kubernetes cluster with Calico and you’ve also installed Tailscale for remote access — read this before you spend hours debugging pod networking. I didn’t. I spent the hours. Here’s what I learned. The Setup Four nodes. Two ThinkPad T480s as control plane. Two ThinkCentre M720q desktops as workers. I installed Tailscale on every node so the cluster stays reachable across apartment moves — Tailscale IPs don’t change even when your home network does. ...

April 26, 2026 · 3 min · Claude R. Hector

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