Bidirectional Forwarding Detection

[yar]

Hello Olivier.

Thanks for the detailed answer.

I meant something like this:
https://www.bsdcan.org/2016/schedule/events/667.en.html
https://www.bsdcan.org/2016/schedule/attachments/358_bsdcan2016-bfd.pdf

On Mon, 4 Dec 2017, 15:41, you wrote:

> On Mon, Dec 4, 2017 at 1:53 PM, yar <yaroslav at shvets.name> wrote:
>
>> Hello All.
>>
>> Does FreeBSD support BFD (Bidirectional Forwarding Detection)?
>> rfc5880, rfc5881
>
>
> ​Hi,
>
> BFD is supported (ie: not filtered) by FreeBSD: you just need to use a BFD
> daemon software.
>
> If your question was "Does FreeBSD includes a BFD daemon into base?", the
> answer is no.
>
> Main usage of BFD is to detect network failure between routing peers and
> give this information to the routing protocol​.
> As example, once an OSPF process detect new neighbours, it will sent their
> IP addresses to the BFD process:
> Once received, the BFD process will monitor the reachability of these
> neighbours and will communicate back to the OSPF process if they are not
> reachable.
>
> But I'm not aware of a standard way for an "independent" bfd daemon to
> communicate between all the routing softwares (bird, FRR, quagga, etc.):
> This is why they includes their own BFD daemon (like bird).
>
> Regards,
>
> Olivier
>

-- 
yar