[ixpmanager] BFD for BGP sessions on BIRD RS - Your experiences?

[Richard Laager]

On 2025-06-11 22:24, Mauricio Oviedo via ixpmanager wrote:
>
> Hi Everyone,
>
> A recent discussion came about implementing BFD (Bidirectional 
> Forwarding Detection) for BGP sessions with IXP members that request 
> it, and I would love to hear from those who have experience with this.
>
Honestly, while I haven't ripped it out, I'm not sure that I'd add it anew.


> Specifically interested in:
>
> - Are you currently offering BFD as an option for member BGP sessions?
>
Yes.


> - Implementation approach (Bird template modifications, etc.)
>
Template modifications: https://github.com/inex/IXP-Manager/pull/854


> - What benefits have you and your members observed?
>
None, probably.


> - Any operational challenges or gotchas during deployment?
>
BFD is not reliable with BIRD:

https://bird.network.cz/pipermail/bird-users/2023-June/017041.html


> - Impact on your route server performance or stability?
>
It doesn't impact the route server per se. But see above.

-- 
Richard
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