BFD: Socket Error Operation not permitted on bird 2.0.8

[Irene Lalioti]

Ahoj Ondrej,

Thanks for your feedback. Finally I resolved it, it was firewall issue 
locally on some defined bfd sessions; thus the Socket errors..

The thing is that last evening we had a flap on BFD sessions for no 
apparent reason at only 3 BGP peers , on our 2 different Route Servers. 
I was trying in the morning to figure out why but from the logs I did 
not extract info ..

Usually the reasons it could flap could be.. due to bursting of data? or 
a hardware issue? or timers? It was weird that occurred only on 3 members ..

Dekuji moc!
Hesky weekend
Irena

On 01/04/2022 18:13, Ondrej Zajicek wrote:
> On Fri, Apr 01, 2022 at 10:48:19AM +0200, Irene Lalioti wrote:
>> Hello dear community,
>>
>> I would like to pose a question regarding the error I receive concerning BFD
>> : socket operation not permitted.
>>
>> The bfd is configured with multiplier 3; interval 300ms; idle tx interval 1
>> sec;
> Hi
>
> Could you send an exact line with the error message?
>
> Under which UID is bird started? It is regular server, or some container?
> Generally it is strange to see 'operation not permitted' error when it is
> started as root.
>

-- 
Irene Lalioti
Network Engineer
Fondation RESTENA
2, avenue de l'Université
L-4365 Esch/Alzette

Tel: +352 424409 1
Fax: +352 422473

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