Configure MetalLB IP Address Pools

Copy sample configuration for the MetalLB IP address pools configuration from the same documentation url (step #12)

or

Use single-nic-vlan-metallb-address-pools.sample file.

Create a copy of sample config to create MetalLB IP Address Pools configuration file.

cp single-nic-vlan-metallb-address-pools.sample osp-ng-metal-lb-ip-address-pools.yaml

Edit the file for use with your preferred editor.
```
vi osp-ng-metal-lb-ip-address-pools.yaml
```
Make sure ip address ranges are as pre desired configuration form the network configuration table.
Apply the configuration in osp-ng-metal-lb-ip-address-pools.yaml file
```
oc apply -f osp-ng-metal-lb-ip-address-pools.yaml
```

Verify the metallb ip address pools using below command:

oc get ipaddresspools.metallb.io -n metallb-system

Sample Output

NAME          AUTO ASSIGN   AVOID BUGGY IPS   ADDRESSES
ctlplane      true          false             ["172.22.0.80-172.22.0.90"]
internalapi   true          false             ["172.17.0.80-172.17.0.90"]
storage       true          false             ["172.18.0.80-172.18.0.90"]
tenant        true          false             ["172.19.0.80-172.19.0.90"]