[Kamailio-Users] Strange behaviour when RADIUS server is down

Ovidiu Sas osas at voipembedded.com
Tue Mar 10 14:18:58 CET 2009


AFAIR, if radius server is down, ACK will not be relayed.
The call cannot be accounted and therefor the call is dropped.

So, the radius server is a single point of failure.


Regards,
Ovidiu Sas

On Tue, Mar 10, 2009 at 6:49 AM, Antonio Reale <ant.reale at gmail.com> wrote:
> 2009/3/10 Juha Heinanen <jh at tutpro.com>:
>
>> radius accounting is different from other radius modules, because in acc
>> module, accounting is triggered by tm module.
> [CUT]
>
> OK. So this can be the relationship between the accounting and the
> delay relaying SIP messages. Is that so?
>
>> if sending of radius accounting request fails, it should not fail the
>> transaction.  i have not tested if it does.
>
> I think that it doesn't fail the transaction but it affect the
> signaling. Attached the short wireshark trace when reproduced the
> issue in lab with RADIUS server down.
> In the trace I see about 10 seconds between the reception and the
> relay of the ACK by kamailio (maybe "radius_timeout  10" in
> radiusclient.conf ?)
> P.S.: in the trace you see only two IP addresses because both clients
> are on 10.10.45.86...
>
>> -- juha
>>
>
> Thank you for your help.
> Regards.
> Antonio.
>
> _______________________________________________
> Kamailio (OpenSER) - Users mailing list
> Users at lists.kamailio.org
> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>




More information about the sr-users mailing list