[Kamailio-Users] Dispatcher ds_list results in flag=P

Daniel-Constantin Mierla miconda at gmail.com
Fri Mar 5 11:28:11 CET 2010


Hello,

On 03/05/2010 12:33 AM, Geoffrey Mina wrote:
> No, I am not seeing any options messages.  It doesn't appear to be
> doing anything while in probing mode.  How often should an OPTIONS
> message go out?
>
> One thing to note, i have two public IP addresses on eht0, so I have
> eht0 and eth0:1.  I also have eth1 which is a private network
> interface.  I have nothing specified in the kamailio.cfg "listen", so
> Kamailio just listens on all IP addresses.  I do not believe this
> happened before I added the 2nd IP to eth0.  At that time, i also had
> explicit listen parameters specifying the internal and external IP
> addreses.  When the configuration was in it's previous state, this
> never happened.
>
> One additional bit of info, the servers that are in "P" state are on a
> different public subnet.  The servers in "A" state are all in the same
> public subnet as the Kamailio.
>    

do you have mhomed turned on?
http://www.kamailio.org/dokuwiki/doku.php/core-cookbook:3.0.x#mhomed

You need it if there is no routing bridging between the two IP interfaces.

Cheers,
Daniel

> On Thu, Mar 4, 2010 at 11:28 AM, Daniel-Constantin Mierla
> <miconda at gmail.com>  wrote:
>    
>> Hello,
>>
>> On 03/04/2010 07:33 AM, Geoffrey Mina wrote:
>>      
>>> As a side note, i have enabled sip tracing on the machines which are
>>> being flagged as "P", and no SIP packets are ever arriving.  I am
>>> positive there is no firewall or other device in the middle which
>>> would be stopping the flow of traffic.
>>>
>>> On Wed, Mar 3, 2010 at 10:58 PM, Geoffrey Mina<geoffreymina at gmail.com>
>>>   wrote:
>>>
>>>        
>>>> Hello,
>>>> I have a weird issue with Dispatcher module.  When I do a ds_list I
>>>> get some of my destinations returned with flag=P.  It appears that
>>>> when they are in this state, they are not included in the list of
>>>> destinations to send traffic to.
>>>>
>>>> I have tried restarting Kamailio, and these certain servers always
>>>> return to flag=P.
>>>>
>>>> I have confirmed the servers are up and running fine.  They are
>>>> communicating without issue at the SIP and network level.
>>>>
>>>> Any idea what could cause this?
>>>>          
>> P is probing mode and destination should go in this state if one call
>> couldn't be routed via it.
>>
>> Do you see OPTIONS messages sent to those gateways while in P mode?
>>
>> Cheers,
>> Daniel
>>
>> --
>> Daniel-Constantin Mierla
>> Kamailio SIP Router Masterclass, Berlin, March 22-26, 2010
>> * http://www.asipto.com/index.php/sip-router-masterclass/
>>
>>
>>      

-- 
Daniel-Constantin Mierla
Kamailio SIP Router Masterclass, Berlin, March 22-26, 2010
* http://www.asipto.com/index.php/sip-router-masterclass/





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