Hi Yufei,
I've tried to do that but unfortunately i'm facing a weird issue.
I have nodes on probing mode, but dispatcher only sends probing via one of the sockets and then, in some cases, wrongfully updates the status of the elements of the pair.
I've even tried to manually disable one of the Dipsatcher destinations, first the one with the VIP and then the other, and Kamailio still sends requests via one of the sockets, usually the second in the list.
This only happens if i have two destinations with same IP but different sockets. In scenarios with different IP and different sockets it all works correctly.
I'm currently on Kamailio v5.4.1. What version are you on? Any special parameter to make that work?
Best Regards,