# {abbr}`OVN (Open Virtual Network)` The [{abbr}`OVN (Open Virtual Network)`](https://www.ovn.org/) service allows configuring an OVN software defined network. ## Configuration options The full API structs for the service can be viewed [online](https://github.com/lxc/incus-os/blob/main/incus-osd/api/service_ovn.go). The following configuration options can be set: * `enabled`: If `true`, enable the OVN service. * `ic_chassis`: Boolean indicating if the chassis is used as an interconnection gateway. * `database`: The OVN database that the system should connect to for its configuration. * `tls_client_certificate`: A PEM-encoded client certificate. * `tls_client_key`: A PEM-encoded client key. * `tls_ca_certificate`: A PEM-encoded CA certificate. * `tunnel_address`: The IP address that a chassis should use to connect to this node using encapsulation types specified by `tunnel_protocol`. Multiple encapsulation IPs may be specified with a comma-separated list. * `tunnel_protocol`: The encapsulation type that a chassis should use to connect to this node. Multiple encapsulation types may be specified with a comma-separated list.