[OpenSIPS-Users] Dispatcher failover & re-enabling with probing

[Bogdan-Andrei Iancu]

Hi,

what group are you using for your destination (in dispatcher) ? if "0", 
use another one :D...there is an issue there...

Regards,
Bogdan

thrillerbee wrote:
> I could still use some help on understanding what I'm missing that is 
> preventing gws from transitioning back into the 'active' state from 
> 'probing'.  Currently, I have to babysit this OpenSIPS instance.
>
> Again, to summarize, when dispatcher detects a failure, it puts the gw 
> into 'probing' state & begins sending OPTIONS messages to the "failed" 
> gw.  Even though the gateway begins replying with 200s, dispatcher 
> never returns it to an 'active' state.  I have to restart OpenSIPS to 
> return it to an 'active' state.
>
> Here are the relevant pieces of my config script:
> # ----- dispatcher params -----
> modparam("dispatcher", "flags", 2)
> modparam("dispatcher", "dst_avp", "$avp(i:271)")
> modparam("dispatcher", "attrs_avp", "$avp(i:272)")
> modparam("dispatcher", "grp_avp", "$avp(i:273)")
> modparam("dispatcher", "cnt_avp", "$avp(i:274)")
> modparam("dispatcher", "ds_ping_interval", 1)
> modparam("dispatcher", "ds_probing_threshhold", 32)
> modparam("dispatcher", "ds_probing_mode", 0)
> modparam("dispatcher", "options_reply_codes", "501, 403, 200")
>
> failure_route[1]
> {
>         if (t_was_cancelled()) {
>                 exit;
>         }
>         if ((t_check_status("408")) && (t_local_replied("last")))
>         {
>                 xlog("L_ERR","Gateway Failure! $ci\n");
>                 ds_mark_dst("p");
>                 t_on_failure("1");
>                 t_relay();
>         }
> }
>
> Again, any assistance would be greatly appreciated.
>
> Thanks.
>
>
>
> On Mon, Oct 18, 2010 at 7:31 AM, thrillerbee <thrillerbee at gmail.com 
> <mailto:thrillerbee at gmail.com>> wrote:
>
>     Anca,
>
>     I have configured the ds_probing_threshold parameter which allows
>     me to adjust when I gw goes from active to probing.
>
>     However, my issue is getting the gw back to active.  For some
>     reason, it will never transition back - even with successful 200
>     OK responses to the OPTIONS messages that are triggered when a gw
>     goes to "probing".  The examples below show that I can't even
>     force it back to active from probing to active with MI commands -
>     I have to restart OpenSIPS.
>
>     Thanks.
>
>
>     On Mon, Oct 18, 2010 at 5:50 AM, Anca Vamanu <anca at opensips.org
>     <mailto:anca at opensips.org>> wrote:
>
>         Hi Thrillerbee,
>
>         You can try to adjust the time when a gateway  state is
>         changed into probing by setting the "ds_probing_threshhold" ||
>         parameter
>         (http://www.opensips.org/html/docs/modules/devel/dispatcher.html#id250525).
>
>         Regards,
>         -- 
>
>         Anca Vamanu
>         www.voice-system.ro <http://www.voice-system.ro>
>
>
>         On 10/16/2010 08:01 AM, thrillerbee wrote:
>>         I have been able to get the dispatcher module to detect a gw
>>         failure and put it into a probing state & route traffic
>>         elsewhere.  However, when the gw returns (& begins responding
>>         to OPTIONS with 200s), dispatcher never puts it back in the
>>         active state.
>>
>>         In fact, I cannot even manually put the server back in the
>>         active state with mi functions.  I can put it in an inactive
>>         state, but it returns to probing if I try to set it to active:
>>
>>         ogw1:~# opensipsctl fifo ds_list
>>         SET_NO:: 1
>>         SET:: 0
>>                 URI:: sip:12.121.80.38 flag=P
>>                 URI:: sip:12.121.80.39 flag=A
>>                 URI:: sip:12.121.80.40 flag=A
>>         ogw1:~# opensipsctl fifo ds_set_state i 0 sip:12.121.80.38 
>>         ogw1:~# opensipsctl fifo ds_list
>>         SET_NO:: 1
>>         SET:: 0
>>                 URI:: sip:12.121.80.38 flag=I
>>                 URI:: sip:12.121.80.39 flag=A
>>                 URI:: sip:12.121.80.40 flag=A
>>         ogw1:~# opensipsctl fifo ds_set_state a 0 sip:12.121.80.38 
>>         ogw1:~# opensipsctl fifo ds_list
>>         SET_NO:: 1
>>         SET:: 0
>>                 URI:: sip:12.121.80.38 flag=P
>>                 URI:: sip:12.121.80.39 flag=A
>>                 URI:: sip:12.121.80.40 flag=A
>>
>>         Is there some setting that I am missing that allows gateways
>>         to transition from probing to active?
>>
>>         Thanks.
>>
>>
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>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro