OSPF: Socket error: Operation not permitted

[Przemyslaw Zoltowski]

W dniu 08.02.2013 20:22, Alexander V. Chernikov pisze:
> On 08.02.2013 22:55, Przemyslaw Zoltowski wrote:
>> hello,
>
> Hello!
>>
>> i'm looking for help with ospf protocol on birdc. i'm using bird in
>> production environment for more then 3 months.
>>
>> 0001 BIRD 1.3.4 ready on
>>
>> FreeBSD mp-r2 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12
>> 02:52:29 UTC 2012 amd64
>>
>> i get following errors in bird.log:
>> 08-02-2013 20:13:06 <ERR> OSPF: Socket error: Operation not permitted
>>
>> sessions with my neighbours are going down, and after aprox 10 minutes
>> everything gets working without any reboot of router nor daemon.
> Well, according to the code this can probably happen when current DR 
> goes down, so bird becomes new DR which involves joining AllDR 
> multicast group which fails for some reason.
>
> You can take a look on DR-BDR-other state transitions (or show more 
> detailed log here) to see if they correlate with given error messages.
>
> ifmcstat output can be also helpful.
>
> Such messages (and probably some other ones) can also be blocked by 
> local firewall which can return EPERM (however I'm not sure if this is 
> true for non-TCP packets). Are you cure you're not blocking some 
> OSPF/igmp traffic?
>
> Btw, does this OSPF-enabled interface change its operational state in 
> such sutuations?

no, it doesn't.

i checked packet filter - igmp and ospf traffic is passed, but to be 
sure i add seperate rule to pass igmp traffic.

thank you for giving me some advice i will let you know if i resolve 
this issue.

>
>>
>> what can cause such problem ?
>>
>> greetings
>> pz
>>
>