Re: Dispatcher sets IP flag on servers even though SIP OPTIONS receive 200 OK

Hello,

you have to send the pcap with the keepalive OPTIONS? The screen shots
are not that useful for troubleshooting, it is some indication of
retransmissions, but it cannot be asserted properly on the screenshot.
Furthermore, the dispatcher.list output shows 183 timeouts, meaning that
the gateways haven't responded to 183 keepalives till that moment.

Cheers,
Daniel

On 24.06.25 20:51, Pablo Oliver via sr-users wrote:
> Hi there,
>
> I'm new to Kamailio, and maybe this is a silly question.
>
> I’ve set up Kamailio as a SIP proxy with two Asterisk servers acting
> as media services.
>
> This is my configuration for the dispatcher module:
>
> loadmodule "dispatcher.so"
>
> modparam("dispatcher", "db_url", DBURL)
> modparam("dispatcher", "table_name", "dispatcher")
> modparam("dispatcher", "flags", 2)
> modparam("dispatcher", "ds_ping_interval", 20)
> modparam("dispatcher", "ds_ping_method", "OPTIONS")
> modparam("dispatcher", "ds_probing_threshold", 5)
> modparam("dispatcher", "ds_inactive_threshold", 5)
> modparam("dispatcher", "ds_ping_latency_stats", 1)
> modparam("dispatcher", "ds_probing_mode", 1)
> modparam("dispatcher", "ds_ping_reply_codes",
> "class=2;code=403;code=488;class=3")
> modparam("dispatcher", "ds_ping_from", SIPCALL)
>
> I can see the SIP OPTIONS requests going from Kamailio to Asterisk and
> receiving 200 OK responses.
>
>
>
> However, the dispatcher is still setting the IP (Inactive Probing)
> flag on the servers:
>
> kamcmd dispatcher.list
> {
>  NRSETS: 1
>  RECORDS: {
>   SET: {
>    ID: 1
>    TARGETS: {
>     DEST: {
>      URI: sip:172.16.254.21:5060 <http://172.16.254.21:5060>
>      FLAGS: IP
>      PRIORITY: 0
>      LATENCY: {
>       AVG: 0
>       STD: 0
>       EST: 0
>       MAX: 0
>       TIMEOUT: 183
>      }
>     }
>     DEST: {
>      URI: sip:172.16.254.20:5060 <http://172.16.254.20:5060>
>      FLAGS: IP
>      PRIORITY: 0
>      LATENCY: {
>       AVG: 0
>       STD: 0
>       EST: 0
>       MAX: 0
>       TIMEOUT: 183
>      }
>     }
>    }
>   }
>  }
> }
>
>
> So when I try to use ds_select_dst("1", "4"), it always fails.
>
> Did I miss something in my configuration?
>
> Thanks!
>
> Regards,
> Pablo.
>
>
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-- 
Daniel-Constantin Mierla (@ asipto.com)
twitter.com/miconda -- linkedin.com/in/miconda
Kamailio Consultancy, Training and Development Services -- asipto.com

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Important: keep the mailing list in the recipients, do not reply only to the sender!