• Go to your OVH Manager
• Select your server from the list
• Click Services
• Choose Ip FailOver
• Then by clicking Add an IP Failover, you can create a new IP Failover

IP aliasing is a special configuration of your dedicated server network, which enables you to associate several IP addresses to only one network interface card.



The aim is to create a virtual interface above eth0, which will be named eth0:0 and will attach the additional IP or Fail over to your network interface. Here are the explanations for the addition via SSH. You can also do it directly via your webmin, ‘others’ section, then files management

First of all, replace the device name, then the existing IP by the failover/ additional one that you have received by email:

At the time of reboot, the interface will automatically be assembled.

If operations 1 to 3 have been correctly carried out, the IP shown in eth0:0 file must be pingable from another machine and answer to the requests.

If you have several additional IPs; you can renew the operation by using eth0:1, eth0:2 and so on.



If after handling, your IP doesn’t answer to the pings, please contact our support.

First of all, replace the device name, then the existing IP by the fail over/ additional one that you have received by email:

At the time of reboot, the interface will automatically be assembled.

If operations 1 to 3 have been correctly carried out, the IP shown in eth0:0 file must be pingable from another machine and answer to the requests.

If you have several additional IPs; you can renew the operation by using eth0:1, eth0:2 and so on.



If after handling, your IP doesn’t answer to the pings, please contact our support.

The aim is to create a virtual interface above eth0, which will be named eth0:0 and will attach the additional IP or Failover to your network interface.

You can either use nano or vi. Under Gentoo, an alias is directly added in eth0. We don’t create any eth0:0 interface (as under Redhat for example)

Important: default IP of the server must remain config_eth= on the same line. In order to make sure that some specific handlings in OVH work correctly



After netmask 255.255.255.0, Press Enter and add your IP (XXXXXXXX have of course to be replaced by your Ips)

You must add:

Your /etc/conf.d/net file must contain the following:

In order to ping your IP-failover, you just have to start the network interface again

If operations 1 to 3 have been correctly carried out, the IP shown in eth0:0 file must be pingable from another machine and answer to the requests.

You can therefore insert an additional IP line by line. However, it is important that the default IP remains on the same line as config_eth0

The aim is to create a virtual interface above eth0, which will be named eth0:0 and will attach the additional IP or Failover to your network interface.

You can either use nano or vi. Under Gentoo, an alias is directly added in eth0. We don’t create any eth0:0 interface (as under Redhat for example)

In order to ping your IP-failover, you just have to start the network interface again

If steps 1 through 3 were carried out correctly, the IP shown in the file must be pingable from the outside and answer the queries.

If after handling your IP does not respond to pings, please contact support.

1. We edit the file /etc/ips :

2. We add the ip to the file:

3. We add the ip in /etc/ipaddrpool

4. We restart the service managing failover ips :

For HG servers which are delivered with 2 Ip addresses and 2 network cards, it's necessary to add the fail-over Ip in the routing rules:

A example file on a HG server with Gentoo distribution gives:

First of all, you must add a new device:

• 'Start', 'configuration panel', 'new device'
• Click on 'next', then tick "Yes, I have already connected the device" and 'validate'
• Select the last element of the list: "Add a new device" and 'validate'

• "Install the device that I select manually in the list (experimented user)" then 'validate'
• Select "Network card" then in the next window, search the Microsoft producer and select "Microsoft loopback card"

• "Connection to the local network 2" (except for HG servers which will have a third interface)
  

• In 'start' menu, select configuration panel, network connections then Connection to the local network 2
• Click on 'properties'
• Select Internet Protocol (TCP/IP)
• Click on 'properties'
• Enter the Ip address corresponding to your Ip fail-over and 255.255.255.0 as netmask. Let the others fields empty
• Validate all the open windows

• In 'start' menu, click on 'Execute', then type regedit
• Type CTRL+F3 in order to open the search window, then indicate the Ip fail-over address and click on 'next'
• Once you found the IP, double-click on "SubnetMask" parameter and change 255.255.255.0 by 255.255.255.255 and 'validate'
• Continue the search by typing F3, do the modification again as previously
• Close the register editor

• 'Start', 'Configuration panel', 'network connections' and do a right click on "Connection to the local network 2" then click on desactivate