router_id or source neighbor in import/export filter for dynamic BGP peers

Mikhail Mayorov mm at tagan.ru
Fri Sep 27 15:06:04 CEST 2024


Hello Maria,

Not exactly. bgp_next_hop is are route attribute. I want to know to 
which neighbor I am currently exporting or importing routes. In a static 
neighbor configuration, I know exactly which filter is currently running 
and with which neighbor. Accordingly, I decide which routes to send or 
accept, and which not to send or receive with this neighbor. How can I 
do this in a dynamic configuration?

27.09.2024 15:34, Maria Matejka пишет:
>
> Hello,
>
> On Fri, Sep 27, 2024 at 02:48:07PM +0300, Mikhail Mayorov wrote:
>
>     I use dynamic BGP peers in my RR. It’s very simple and
>     comfortable. import/export filters are same for all dynamic
>     neighbors. How to determine a neighbor? Using what variables?
>
> I would expect that in common cases, the neighbor would be also in the 
> |bgp_next_hop| attribute. Is that not this case?
>
> Maria
>
>> Maria Matejka (she/her) | BIRD Team Leader | CZ.NIC, z.s.p.o.
>
-- 

Regards,
Mikhail Mayorov
PG19, founder and inspirer
B.Bulvarnaya 11, Taganrog, Russia, 347913
tel work: +7 8634 431431 (ext 101)
tel mobile: +7 905 4309006

pg19.ru
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