MetalLB Speaker

MetalLB Speaker v0.16.1 is an open-source Kubernetes networking component that advertises external IP addresses assigned to LoadBalancer services. It works with the MetalLB controller to provide load-balancing capabilities for Kubernetes, k3s, bare-metal, private cloud, edge, development, and testing environments.

• Advertise external IP addresses assigned to Kubernetes LoadBalancer services.
• Support Layer 2 network-based service advertisement.
• Support BGP-based load-balancing and network integration.
• Work with Kubernetes and lightweight Kubernetes distributions such as k3s.
• Run as a DaemonSet across eligible Kubernetes nodes.
• Integrate with the MetalLB controller for service IP allocation and advertisement.
• Support ingress controllers and applications requiring externally accessible IP addresses.
• Provide networking capabilities for private cloud, bare-metal, edge, development, and testing environments.

MetalLB Speaker Usage:

$ sudo su

# Check MetalLB Speaker pods:
$ kubectl get pods -n metallb-system -l app.kubernetes.io/component=speaker -o wide

# Check MetalLB Speaker DaemonSet:
$ kubectl get daemonset speaker -n metallb-system

# Check MetalLB Speaker status:
$ kubectl get pods -n metallb-system

# Check MetalLB Speaker version:
$ kubectl get pods -n metallb-system \
  -o jsonpath='{range .items[*]}{.metadata.name}{" -> "}{range .spec.containers[*]}{.image}{" "}{end}{"\n"}{end}'

# Verify MetalLB components:
$ kubectl get pods -n metallb-system