Creating a private network with Gateway (EN)
Discover how to create a Private network with a Gateway
Last updated 2nd November 2022
Objective
A Gateway offers a secure outbound connection method from your private network instances or the ability to use Floating IPs with your instance or Load Balancer for service exposition.
This can be created via the OVHcloud Control Panel, the OpenStack API or the OVHcloud API.
Learn how to create a private network with a gateway.
Requirements
- A Public Cloud project in your OVHcloud account
- Access to the OVHcloud API, the OVHcloud Control Panel or the OpenStack command line environment (Tutorial)
- The OpenStack Command Line Interface tool installed on your working environment (optional)
Instructions
Via the OVHcloud Control Panel
Click on the tabs below to view each of the 6 steps in turn.
Log in to your OVHcloud Control Panel and open your Public Cloud project.
Click on Gateway in the left-hand menu under Network.
Please note that you need to have activated the vRack before proceeding, if you do not have a vRack, please consult this section of the relevant guide.
Next, click on Create a Gateway.
First, select your gateway size.
| Size | Bandwith | Cost |
|---|---|---|
| S | up to 200Mbps | 2€/month, excluding tax |
| M | up to 500Mbps | 8€/month, excluding tax |
| L | up to 2Gbps | 35€/month, excluding tax |
In the next step, select a location. It is best to create a Public Gateway in the region where you intend to deploy your private instances.
The next step allows you to edit the default name of your gateway and attach a private network to it. You can use the drop down list to select an existing private network. Be aware that only single-region private networks are supported by Gateway.
Otherwise, click on Add a private network to create a new one (in simplified dialog box with predefined values).
In our example, a private network does not exist yet in the region we selected, so we create a new one.
In the popup window, enter a name for your private network, select a subnet and click on Add.
Once the network has been added, click on Create a gateway.
The creation may take several minutes, you may need to refresh the page after a couple of minutes to display the new service.
Once the creation is done, you now have a private network linked to a public gateway.
To view your newly created private network, click on Private Networks in the left-hand menu under Network.
You can view the new gateway in the Gateway section.
Via the OpenStack API
Before proceeding, it is recommended that you consult these guides:
Once your environment is ready, type the following at the command line:
openstack network create my_network
openstack subnet create my_subnet --subnet-range <my_private_ip_range/mask> --network my_network --no-dhcp
openstack router create my_router
openstack router add subnet my_router my_subnet
openstack router set --external-gateway Ext-Net my_router
Via the OVHcloud API
Log in to the OVHcloud APIv6 interface according to the relevant guide (First steps with the OVHcloud API).
In case the project ID is unknown, the calls below allow you to retrieve it.
This call retrieves the list of projects.
This call identifies the project via the "description" field.
Create your private network and gateway
Fill in the fields according the following table.
| Field | Description |
|---|---|
| serviceName | 'The ID of your project' |
| regionName | Example: GRA9 |
| model | size of your gateway (l, m ,s) depending on your needs |
| name | set a name for your gateway, you can click on the dropdown arrow and select "null" for a default one |
| name | set a name for your private network, you can click on the dropdown arrow and select "null" for a default one |
| cidr | IP block for your subnet |
| enableDhcp | check the box for yes |
| ipVersion | 4 |
The VLAN identifier (vlanId) is required if you want to create a specific VLAN. You can enter a value (between 2 - 4000) or leave it empty. If left empty, the system will automatically assign one by default.
This is the step of creating the private network and gateway by region.
You will need to do the same for each region where your private instances are present.
The creation will take a few minutes.
To verify the details of your gateway, you can use the following API call:
Go further
Join our community of users on https://community.ovh.com/en/.
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