Ubuntu Server 20.04 configure OVH failover IP

To configure IP in Ubuntu 20.04 guest, create file

add following content


“on-link: true” is what makes it work. The “on-link: true” option is used to specify that a specific route should be considered “on-link.” This means that the route is directly reachable on the local network segment, and packets destined for that route should be sent directly to the network interface associated with that network segment, rather than being routed through a gateway.

Test network config using

If everything works fine, you can apply the changes with

See OVH, netplan

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  • Can confirm: this works like a charm on a fresh Ubuntu Server 20.04 install. I’m using Proxmox 7.0-10 on an OVH dedicated server.

    Thank you good sir!

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