Re: [SR-Users] Issue with Dispatcher Failover algorithm

Hi Daniel, I attached a pcap trace. It contains several SIP messages, but please check the INVITEs from 10.224.74.36 (Kamailio) to 10.126.54.51/10.126.55.51. Thanks for you support, Cristian On Thu, May 25, 2017 at 5:04 PM, Daniel-Constantin Mierla &lt;miconda(a)gmail.com > Hello, > > can you sent pcap or ngrep output with all sip messages of such case > exposing the issue you have? > > Cheers, > Daniel > > On Thu, May 25, 2017 at 2:18 PM, Cristi Constantin < > cristi.constantin(a)gmail.com> >> Hello, >> >> I have an issue with the behavior of ds_select_dst() method in case of >> using algorithm 8 (dispatch based on priority). In case both destinations >> are available, they are used alternatively, instead of always using the one >> with the highest priority. >> >> By searching through the mailing list I found that the lower the priority >> number, the higher the priority (1 is first, 2 is second, etc.). >> Based on this, I set the following in dispatcher.list: >> 7 sip:10.126.54.51:5060;transport=sctp 9 1 >> 7 sip:10.126.55.51:5060;transport=sctp 9 2 >> >> After running "kamcmd dispatcher.reload" and "kamcmd dispatcher.list", I >> have the confirmation that the priorities are correctly set: >> SET: { >> ID: 7 >> TARGETS: { >> DEST: { >> URI: sip:10.126.55.51:5060 >> ;transport=sctp >> FLAGS: AP >> PRIORITY: 2 >> } >> DEST: { >> URI: sip:10.126.54.51:5060 >> ;transport=sctp >> FLAGS: AP >> PRIORITY: 1 >> } >> } >> } >> >> The dispatcher settings from kamailio.cfg is the following: >> modparam("dispatcher", "list_file", "/etc/kamailio/dispatcher.list") >> modparam("dispatcher", "flags", 2) >> modparam("dispatcher", "ds_ping_interval", 10) >> modparam("dispatcher", "ds_ping_method", "OPTIONS") >> modparam("dispatcher", "ds_ping_from", "sip:kamailio@sdp-t-lb2") >> modparam("dispatcher", "ds_probing_mode", 3) >> modparam("dispatcher", "dst_avp", "$avp(AVP_DST)") >> modparam("dispatcher", "grp_avp", "$avp(AVP_GRP)") >> modparam("dispatcher", "cnt_avp", "$avp(AVP_CNT)") >> modparam("dispatcher", "sock_avp", "$avp(AVP_SOCK)") >> >> And the code which should do the displatch is the following: >> >> if (ds_is_from_list(7, 3, "$ru")) { >> remove_hf("Route"); >> if(!ds_select_dst("7", "8")) { >> send_reply("404", "No destination"); >> exit; >> } >> } >> >> With the settings above, I was expecting to always have the messages >> delivered to 10.126.54.51. Instead, they are dispathed to 10.126.54.51 and >> 10.126.55.51 alternatively. >> >> Thanks a lot, >> Cristian >> >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> sr-users(a)lists.kamailio.org >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> >> > > > -- > Daniel-Constantin Mierla - http://www.asipto.com > http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users(a)lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > >