BIRD export reject not working

[Alexander Zubkov]

Hi.

You check 64515 to be firs, last or the only (which is redundant check
here) AS in the path. And in your example: MY-ASN 64515 20473 1299 21430 -
it is not the first or last.

On Tue, Sep 19, 2017 at 10:50 AM, Marek Królikowski <admin at wset.edu.pl>
wrote:

> Hello guys,
> I got strange problem with BGP i share data to Collector but i put to
> reject some bgp path....
>
> This is how look configuration of BGP session of Collector:
>
> protocol bgp Collector {
>    description "Collector";
>    local as MY-ASN;
>    source address IPv61;
>    neighbor IPV62 as SOMEONE-ASN;
>    multihop;
>    import none;
>    export filter {
>    if bgp_path.first = 64515 then reject;
>    if bgp_path = 64515 then reject;
>    if bgp_path.last = 64515 then reject;
>    include "export.conf";
> };
> }
>
> But:
> root at pl-bgp:~# birdc6 show route export Collector all 2a0b:e206::/32
> BIRD 1.6.3 ready.
> 2a0b:e206::/32     via 2a06:1287:330e:16::2 on bgp-fr [France 2017-09-18]
> * (100) [AS21430i]
>        Type: BGP unicast univ
>        BGP.origin: IGP
>        BGP.as_path: MY-ASN 64515 20473 1299 21430
>        BGP.next_hop: 2a07:XXXX.XXXX.XXXX
>        BGP.local_pref: 100
>        BGP.community: (64515,44)
>
> Like You see in BGP path there is 64515.
> How i export this to Collector if i put reject on export?
> What is wrong?
>
> I use BIRD 1.6.3.
>
> Best Regards
> Marek Krolikowski
>
>
>
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