Or modify variant with krt_source:
For enable announcing:
ip route change to AAAA dev lo proto NNN
For disable:
ip route change to AAAA dev lo proto kernel
protocol kernel MAIN{
persist;
scan time 20;
learn;
import where krt_source = NNN;
export all;
}
where NNN some unused number in /etc/iproute2/rt_protos
If you don't want to use birdc configure every time.
02.06.2017, 16:54, "Jan Matejka" <jan.mate...@nic.cz>:
> On 06/02/2017 12:59 PM, Войнович Андрей Александрович wrote:
>> Hi all!
>>
>> Does BIRD allow to write a filter, where I can define a condition when it
>> should import/export some route(s) and when it should not? To clarify my
>> question, example: I want to check whether some process (lets say apache) is
>> running and the server is listening TCP port 80, so if these conditions are
>> true, BIRD should export some route to OSPF, if false – should not.
>
> No, this is not possible in a simple way.
>
> Anyway, you may use a set of config files like this:
>
> bird.conf:
> ...
> include "apache-check.conf";
> ...
>
> apache-check-yes.conf:
> static apachecheck { route XYZ };
>
> apache-check-no.conf: empty
>
> apache-check.conf: symlink to apache-check-no.conf
>
> write a script like this:
>
> * if the condition is true: ln -sf apache-check-yes.conf apache-check.conf
> * else: ln -sf apache-check-no.conf apache-check.conf
> * if the script changed the symlink, reload bird config
>
> and run the script by cron every other while.
>
> Hope this is clear enough to help you.
> MQ
