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

[Zahid Mehmood]

Would using a local radius-proxy help in this case?  

Kamailio configured to communicate with the local proxy which can queue the request for the remote radius server when it becomes unavailable.

-- 
Zahid

-----Original Message-----
From: users-bounces at lists.kamailio.org [mailto:users-bounces at lists.kamailio.org] On Behalf Of Ovidiu Sas
Sent: Tuesday, March 10, 2009 9:19 AM
To: Antonio Reale
Cc: Users at lists.kamailio.org
Subject: Re: [Kamailio-Users] Strange behaviour when RADIUS server is down

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.
>
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