Configure isolated networks for the adopted environment
Before you begin replicating your existing VLAN and IPAM configuration in the Red Hat OpenStack Services on OpenShift (RHOSO) environment, you must have specific IP address allocations for the new control plane services.
Review the following specifications:
- 1 IP address for each isolated network on each Red Hat OpenShift Container Platform (RHOCP) worker node. You configure these IP addresses in the
NodeNetworkConfigurationPolicycustom resources (CRs) for the RHOCP worker nodes. - 1 IP range for each isolated network for the data plane nodes. You configure these ranges in the
NetConfigCRs for the data plane nodes. - 1 IP range for each isolated network for control plane services. These ranges
enable pod connectivity for isolated networks in the
NetworkAttachmentDefinitionCRs. - 1 IP range for each isolated network for load balancer IP addresses. These IP ranges define load balancer IP addresses for MetalLB in the
IPAddressPoolCRs.
The exact list and configuration of isolated networks in the following procedures should reflect the actual Red Hat OpenStack Platform environment. The number of isolated networks might differ from the examples used in the procedures. The IPAM scheme might also differ. Only the parts of the configuration that are relevant to configuring networks are shown. The values that are used in the following procedures are examples. Use values that are specific to your configuration.
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