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Updating layer-4-and-layer-7-load-balancing.md, adding note v2.10/v2.11 as RKE still applicable

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Signed-off-by: Sunil Singh <sunil.singh@suse.com>
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Sunil Singh
2026-03-19 13:12:08 -07:00
parent 0a206c2a71
commit 27c40e5b37
12 changed files with 72 additions and 128 deletions
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versioned_docs/version-2.11/how-to-guides/new-user-guides/kubernetes-resources-setup/load-balancer-and-ingress-controller/layer-4-and-layer-7-load-balancing.md
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@@ -15,6 +15,14 @@ Layer-4 load balancer (or the external load balancer) forwards traffic to Nodepo
Often, the Layer-4 load balancer is supported by the underlying cloud provider, so when you deploy RKE clusters on bare-metal servers and vSphere clusters, Layer-4 load balancer is not supported. However, a single [globally managed config-map](https://kubernetes.github.io/ingress-nginx/user-guide/exposing-tcp-udp-services/) can be used to expose services on NGINX or third-party ingress.
:::warning
**Ingress-NGINX EOL:** The community `ingress-nginx` controller reaches End-of-Life (EOL) in March 2026. Traefik is the recommended migration path for Rancher environments.
Traefik includes a native Ingress NGINX provider. This allows you to migrate from NGINX without rewriting your existing Ingress objects, as Traefik will automatically interpret `nginx.ingress.kubernetes.io` annotations. If you are upgrading a cluster that is already using `ingress-nginx`, follow this [guide](https://doc.traefik.io/traefik/migrate/nginx-to-traefik/) for more information.
:::
:::note
It is possible to deploy a cluster with a non-cloud load balancer, such as [MetalLB.](https://metallb.universe.tf/) However, that use case is more advanced than the Layer-4 load balancer supported by a cloud provider, and it is not configurable in Rancher or RKE.