Configuring ingress cluster traffic for a service external IP

• Your cluster is configured with ExternalIPs enabled. For more information, read .

You can attach an ExternalIP to a service. If your cluster is configured to allocate an ExternalIP automatically, you might not need to manually attach an ExternalIP to the service.

1. Optional: To confirm what IP address ranges are configured for use with ExternalIP, enter the following command:

   If is set, OKD automatically assigns an ExternalIP to a new Service object if the spec.externalIPs field is not specified.

2. Attach an ExternalIP to the service.

   1. If you are attaching an ExternalIP to an existing service, enter the following command. Replace <name> with the service name. Replace <ip_address> with a valid ExternalIP address. You can provide multiple IP addresses separated by commas.

      For example:

      $ oc patch svc mysql-55-rhel7 -p '{"spec":{"externalIPs":["192.174.120.10"]}}'

      Example output

3. Example output

• Configuring ExternalIPs for services