apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: first-pool
  # namespace: metallb-system
spec:
  addresses:
  - 192.168.50.101-192.168.50.110

---

apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: example
  # namespace: metallb-system