# BEL configuration reference

Refer to the following Artifact Hub charts for BEL installation and upgrade
configuration:

- [CRDs](https://artifacthub.io/packages/helm/linkerd-buoyant/linkerd-enterprise-crds/2.20.6)
- [Control
  plane](https://artifacthub.io/packages/helm/linkerd-buoyant/linkerd-enterprise-control-plane/2.20.6)
- [Multi-cluster](https://artifacthub.io/packages/helm/linkerd-buoyant/linkerd-enterprise-multicluster/2.20.6)
- [Buoyant Extension](https://artifacthub.io/packages/helm/linkerd-buoyant/linkerd-buoyant)