Metallb Installation
Used IP Range
Metallb will advertise IPs of the range: 192.168.178.226-192.168.178.240
First Address x.x.x.226 will be the traefik reverse proxy deployment.
https://canthonyscott.com/setting-up-a-k3s-kubernetes-cluster-within-proxmox/
Following https://metallb.universe.tf/installation/ (0.14.3)
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.14.9/config/manifests/metallb-native.yaml