In 2.5, H-Sphere will have a utility to add multiple subnets and
network gateways to VPS boxes.
- Select Settings -> Network Gateways.
- Click the Add button for Add new Network Gateway.
- In the VPS Boxes section Click Show Assigned Devices
for the server you want to edit.
- On the page that appears, click Assign Device for the
subnet you are adding.
- Select the network device to associate the subnet with.