You can add or delete subnets for IP blocks.
- From your browser, log in to an NSX Manager at https://nsx-manager-ip-address.
- Select from the navigation panel.
- Click the name of an IP block.
- Click the Subnets tab.
- To add a subnet, click Add.
- Enter a name and optionally a description.
- Enter the size of the subnet.
- To delete one or more subnets, select the subnets.
- Click Delete.