diff --git a/docs/deploy/baremetal.md b/docs/deploy/baremetal.md index 1a2b10dc1..944a2c724 100644 --- a/docs/deploy/baremetal.md +++ b/docs/deploy/baremetal.md @@ -33,9 +33,7 @@ MetalLB can be deployed either with a simple Kubernetes manifest or with Helm. T was deployed following the [Installation][metallb-install] instructions. MetalLB requires a pool of IP addresses in order to be able to take ownership of the `ingress-nginx` Service. This pool -can be defined in a ConfigMap named `config` located in the same namespace as the MetalLB controller. In the simplest -possible scenario, the pool is composed of the IP addresses of Kubernetes nodes, but IP addresses can also be handed out -by a DHCP server. +can be defined in a ConfigMap named `config` located in the same namespace as the MetalLB controller. This pool of IPs **must** be dedicated to MetalLB's use, you can't reuse the Kubernetes node IPs or IPs handed out by a DHCP server. !!! example Given the following 3-node Kubernetes cluster (the external IP is added as an example, in most bare-metal @@ -64,14 +62,14 @@ by a DHCP server. - name: default protocol: layer2 addresses: - - 203.0.113.2-203.0.113.3 + - 203.0.113.10-203.0.113.15 ``` ```console $ kubectl -n ingress-nginx get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) default-http-backend ClusterIP 10.0.64.249 80/TCP - ingress-nginx LoadBalancer 10.0.220.217 203.0.113.3 80:30100/TCP,443:30101/TCP + ingress-nginx LoadBalancer 10.0.220.217 203.0.113.10 80:30100/TCP,443:30101/TCP ``` As soon as MetalLB sets the external IP address of the `ingress-nginx` LoadBalancer Service, the corresponding entries