Hi Maria, thank you for the superfast response, that I kind of seem to have slept through ;-) So what you mean is creating the /24 route in "static" (possibly in an if statement) and then matching it later? I'll try this. The setup is really simple enough. Thanks, Elmar. maria.matejka@nic.cz (Maria Matějka) wrote:

Hello, Prefix aggregation is currently not supported. It's quite a lot of work to do it properly. As a workaround, you may export these routes to an auxiliary kernel table, run an external script to maintain the aggregated route and learn the result back to BIRD. Or you can simply use the static protocol if your use case is simple enough. Maria

On June 20, 2020 7:36:47 PM GMT+02:00, "Elmar K. Bins" <elmi@noir.de> wrote:

...

Hi guys,

(status update: no solution for the OSPFv3 <--> IOS XR yet, no idea where to look, both sides pretend to be happy but are not)

So....

I need to create a prefix to be BGP-advertised to peers and transits; this would look like:

if (net = xxx/32) { remove it and replace by yyy/zz; }

(more or less standard prefix aggregation on the border)

I could not find a hint of documentation in regard of doing a thing like this, where should I look?

(We are currently forced to configure the wrong netmasks on loopback addresses, so BIRD has something to export)

Yours, Elmar.