interface bat0 {
        AdvSendAdvert on;
        IgnoreIfMissing on;
        MaxRtrAdvInterval 200;
        RDNSS {{ sn_mesh_IPv6 }} {};
#        prefix fda0:747e:ab29:7405::/64 {
        prefix 2a03:2260:121::/64 {
                AdvOnLink on;
                AdvAutonomous on;
                AdvRouterAddr on;
        };
};