[SR-Users] Dispatcher is using gateways in Probing mode

[Daniel-Constantin Mierla]

Hello,

On 11/16/10 12:43 PM, alex pappas wrote:
> [..]
> I also tried to use “9” - use weight based load distribution but with 
> no success. i got in the logs that this algorithm is not implemented. 
> I'm doing something wrong here or is not implemented in this version 
> of Kamailio. ( 3.0.1)
this algorithm is available starting with version 3.1.0 - weight based 
load balancing is not in 3.0.x.

Btw, you should use the latest in 3.0.x series, 3.0.1 is quite old, 
3.0.3 is more actual. However, 3.1.0 is even greater ;-)

Cheers,
Daniel

>
> Thank you in advance for your help.
>
> Regards
> Alex
>
>
>
>
> On Fri, Nov 12, 2010 at 10:14 PM, Daniel-Constantin Mierla 
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hi Alex,
>
>     dispatcher module does not send new invites to inactive gateways.
>     But in case a destination became inactive while some INVITEs were
>     already through dispatcher, these recent inactive gateways may
>     still be used for them.
>
>     Regarding the probing mode, dispatcher will never select a probing
>     gateway as first option to route the call, but they are kept as
>     alternative. This is the current implementation, we may add a
>     module parameter to skip gateways in probing mode even for
>     secondary alternatives.
>
>     Non-responsive gateways change the state after a while, see:
>     http://kamailio.org/docs/modules/stable/modules_k/dispatcher.html#id2567110
>
>     Cheers,
>     Daniel
>
>
>     On 11/12/10 12:58 PM, alex pappas wrote:
>>     Dear all,
>>
>>     Does anyone can explain how Dispatcher module is sending calls to
>>     the gateways in the different states?
>>
>>     I mean if I have 3 gateways and the one of them is in Probing
>>     mode why Dispatcher is continuing sending there calls? Why this
>>     gateway is not changing from Probing to Inactive since is not
>>     replaying to OPTIONS messages send by Kamailio?
>>
>>     Configuration:
>>
>>     modparam("dispatcher", "flags", 2)
>>     modparam("dispatcher", "ds_ping_interval", 5)
>>     modparam("dispatcher", "ds_probing_mode", 1)
>>     modparam("dispatcher", "ds_probing_threshhold", 2)
>>     modparam("dispatcher", "dst_avp", "$avp(s:dst_avp)")
>>     modparam("dispatcher", "grp_avp", "$avp(dsgrp)")
>>     modparam("dispatcher", "cnt_avp", "$avp(i:202)")
>>     modparam("dispatcher", "ds_append_branch", 0)
>>
>>     using db for gw:
>>
>>     setid 123,destination sip:xxx.xxxx.xxx, flag 0 ...
>>
>>     in ROUTE:
>>     if(ds_select_domain("$avp(s:disp_dstgrp)", "4"))
>>
>>     in Failure Route
>>
>>     if(!ds_next_domain())
>>
>>     I want Dispatcher when it sees a node gateway that is dead , to
>>     Not send any other calls.
>>
>>     Thank you in advance
>>
>>     Alex
>>
>>
>>
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>
>     -- 
>     Daniel-Constantin Mierla
>     http://www.asipto.com
>
>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com

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