Hello Joel, funny - I just had this discussion about the same topic some days ago.
In the end this is "only" the call-id, the IP should not be used to to routing descisions etc.. Do you have some more concerns about this? I think as well it just uses the first IP. I think at the moment the call-id is generated internally from tm, but this could be of course changed for the module with some coding/extension. Cheers, Henning Am 14.08.19 um 17:12 schrieb Joel Serrano: Hello, Simple doubt regarding dispatcher module when you have the ds_default_socket() modparam set: Say you have 2 kamailio boxes, active + passive, one shared IP via keepalived.... On the actrive node, you have dispatcher.send_ping to 1, and the passive has it set to 0. So far OK, only the active box is sending out probing OPTIONS requests, and it's using as outbound socket the virtual IP out of all the available ones (as defined with ds_default_socket() modparam) I have seen in a capture that the outbound OPTIONS look like: OPTIONS sip:190.14.203.219:5060<http://190.14.203.219:5060> SIP/2.0 Via: SIP/2.0/UDP A.B.C.180;branch=z9hG4bK7abb.6fbaccc1000000000000000000000000.0 To: <sip:190.14.203.219:5060<http://190.14.203.219:5060>> From: <sip:dspinger@my.domain><mailto:sip:dspinger@my.domain>;tag=e2bdd495733c59fd91487a137fccad4e-8a73 CSeq: 10 OPTIONS Call-ID: 2019f8491329c382-31419@A.B.C.181 Max-Forwards: 70 Content-Length: 0 A.B.C.180 -> VRRP A.B.C.181 -> Physical IP of the box My doubt is, shouldn't ds_default_socket also update the IP used to generate the Call-ID used in the OPTIONS request? Currently, I believe it's using the first defined listen= IP from config script as I switched the order the listen= are defined and I get the desired result: OPTIONS sip:186.188.220.174:5060<http://186.188.220.174:5060> SIP/2.0 Via: SIP/2.0/UDP A.B.C.180;branch=z9hG4bKc97e.a8d9e1c2000000000000000000000000.0 To: <sip:186.188.220.174:5060<http://186.188.220.174:5060>> From: <sip:dspinger@my.domain><mailto:sip:dspinger@my.domain>;tag=5e2e1773f812f6a7e4085c5d036e29d8-d323 CSeq: 10 OPTIONS Call-ID: 7d9a92c218fc1ba0-32111@A.B.C.180 Max-Forwards: 70 Content-Length: 0 Is this expected? Cheers, Joel. _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Henning Westerholt - https://skalatan.de/blog/ Kamailio services - https://skalatan.de/services
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