OVH Guides

Managing your Load Balancer service via the Control Panel

An overview of the main features, and how to get started using the Load Balancer service from the Control Panel

Objective

This guide is designed to help you get started using the Load Balancer, by introducing the main features of the solution.

Requirements

  • You must have access to your OVH Control Panel.
  • You must have ordered a Load Balancer.

Instructions

Managing your Load Balancer via the Control Panel

To manage your Load Balancer via the Control Panel, go to the Cloud section (1), then the Load Balancer (2) section on the left-hand menu. The main page for the service will then appear:

Load Balancer

On this page, you will see the following information:

Element Purpose
Status An overview of your Load Balancer with the IP, front-ends, functional farms and servers added
Use A summary of how to use your Load Balancer
Graphs In this section, you will see the graphs linked to service, by concurrent connections or requests per minute
Information Your IPv4 address, IPv6 address and the failover IPs linked to them, as well as the number of outgoing IPv4s (see more details by clicking on the ellipses)
Configuration Here, you can customise the name of your solution (which will appear at the top of the left-hand column) The cipher(s) are customisable, as well as the datacentre where your Load Balancer is based
Subscription Here, you will see the admin details for your solution

To add Frontends or Server farms, simply click on their respective buttons. A form will then help you configure each part of your solution.

Managing frontends

To add front-ends, simply go to the Frontends section, and click Add a frontend. The following menu will then appear:

Add front-end

Details of front-end parts:

Element Purpose
Name If you want, you can choose a name for your front-end. This is very useful when you have several front-ends, so you can tell them apart quickly
Protocol You can choose between HTTP, HTTPS, TCP, SSL TCP (or TLS) and UDP
Port Choose the listening port you wish to use
Datacentre Choose between your datacentre or all datacentres to create your front-end
Default farm If you have several farms configured, you can choose one of them as a default for each front-end

You can also access advanced settings:

Advanced settings

Element Purpose
Dedicated failover IP List of failover IPs for remote servers
Restrict access to IPs List for restricting remote access to the Load Balancer, for IPv4 only
HTTP redirection Add a HTTP redirection URL
HTTP header Add a HTTP header here

Managing your farms

To add a server farm, simply go to the Server farms section, and click Add a server farm. You will get the same main options as for the front-end. However, the advanced options are different:

Add a farm

Element Purpose
Distribution method Choosing between Round-robin, First, Last, Source or URI for your IP load balancing
Session tracking You can track sessions via Cookie or source IP, this can be defined here
Probe Choosing and activating a probe

Managing your servers

Once you have created your server farm, you just need to add servers to it. Details on these options are below, as well as advanced options:

Add server Add server

Element Purpose
Name If you want, you can choose a name for your server. This is very useful when you have several servers, so you can tell them apart quickly
IPv4 address Adding the IP address of the service that will act as a server
Port Server port
Backup server Selecting which server is a backup server
Use the server farm’s probe Choosing the probe that was validated when you created the farm
Encrypt requests with SSL Encrypting requests with an SSL certificate
Cookie Add a customised session cookie
Certificate chain Add a certificate chain
Balancing load Choose the balancing load for the load balancer

Managing SSL certificates

You can add an SSL certificate to the Load Balancer in the SSL Certificate section. You have two options: you can order an SSL certificate from OVH, or add an external certificate.

OVH SSL certificate

To order an SSL certificate, simply go to the SSL Certificate section, then click Order an SSL certificate and browse the options available:

Ordering an SSL certificate

Element Purpose
Name If you want, you can choose a name for your certificate. This is very useful when you have several certificates, so you can tell them apart quickly
Certificate type Free (Let's Encrypt), Comodo DV or Comodo EV (details available here: https://www.ovh.co.uk/ssl/)
Fully Qualified Domain Name (FQDN) Domain(s) concerned

Adding an external SSL certificate

If you already have your own SSL certificate, you can add it directly:

Adding an SSL certificate

Element Purpose
Name If you want, you can choose a name for your certificate. This is very useful when you have several certificates, so you can tell them apart quickly
Private key Field for entering the private key to add to the service
Certificate Field for adding the certificate
Chain Field for adding the root certificate, if required

Going further

Join our community of users on https://community.ovh.com/en/.


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