Configuring NAT for port redirections with NSX
2362 Ansichten
27.02.2023 
Cloud / VMware
Objectif
Learn how to configure NAT to create port redirections with NSX.
OVHcloud provides services for which you are responsible, with regard to their configuration and management. It is therefore your responsibility to ensure that they work properly.
This guide is designed to assist you as much as possible with common tasks. However, we recommend contacting a specialist provider if you experience any difficulties or doubts when it comes to managing, using or setting up a service on a server.
Requirements
- Being an administrative contact of your Hosted Private Cloud infrastructure to receive login credentials.
- A user account with access to the OVHcloud Control Panel.
- Having NSX deployed with two segments configured in your NSX configuration, you can use our guide on segment management in NSX for more information.
Instructions
When you deploy your NSX solution, a SNAT rule is automatically created by OVHcloud, so you can go online from your segments.
We will add a redirection rule (DNAT) from the public virtual IP address on port 2222 in TCP to a virtual machine on LINUX on port 22 in TCP. In our example, we will use fictitious IP addresses.
In the NSX interface, go to the Networking tab, select NAT in the Network Services section, then select ovh-T0-gw | Tier-0 to the right of Gateway and click ADD NAT RULE.
Fill in this information :
- Action : Select
DNAT. - Source IP : Enter the IP address or range of addresses that can use this redirection.
- Destination IP : Public virtual IP address of NSX.
- Destination PORT : Listening port on public address such as
2222. - Translated IP : IP address of the virtual machine being redirected to.
Then click on the three vertical dots to the right of Select Services.
Enter SSH22 under the Name column and click Set under the Service Entry column.
Click ADD SERVICE ENTRY.
Fill in these values :
- Name : Enter
SSH22. - Service Type : Select
TCP. - Source Ports : Write the number
22.
Then click APPLY.
Click SAVE.
Click SAVE to confirm the creation of the redirection rule.
The rule is created and active.
Go further
VMware NAT in NSX documentation
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