OSPF - Out filter with accept sending out also when not redistributed?

RouterOS Forwarding Protocols
1

Hello to the MikroTik community and team,

I think I have maybe found a bug in ROSv7.(17.2), when I create a route filter with following content

if(dst == 0.0.0.0/0) {set ospf-ext-metric 10; accept}

and set it in the OSPF instance as the out filter, do nothing else, OSPF is sending out the default route. But I didn´t have redistribute any routes (for my case static) or set “default-originate”. Why OSPF / RouterOS is sending it out anyways?

2

Check if the default route you see is actually comming from OSPF using ”routes print where ospf”.

If so, enable OSPF logging (without packets, i.e. !packets) to trace the sender.

3

No the default route is not from OSPF. It is from static. When it would be from OSPF I would understand why it is send out.
But how I can set the “!packets” ?

4

Alright, then I’ve probably misunderstood what you’re looking for.

Anyway, here’s how you enable OSPF logging: “/system logging add action=memory topics=ospf,!packet”. With this setting, you should be able to track both inbound and outbound OSPF LSA messages without being flooded by low-level protocol details.

5

But you don´t think that this is a bug?