On Mon, Feb 20, 2023, at 13:13, ico wrote:
> Thanks for answer. I tried this filter but the source is RTS_OSPF, not 
> RTS_DEVICE. Also the proto is "ospf1".
I use this:
protocol kernel kernel4 {
	scan time 60;
	learn;
	ipv4 {
		import all;
		export where source ~ [RTS_OSPF, RTS_OSPF_EXT1, RTS_OSPF_EXT2];
	};
}