I just found this bug which turned into a feature request (from 2012) someone else had exactly the same problem:

https://sourceforge.net/p/opensips/feature-requests/99/


@Bogdan, if for whatever reason the table is being shared by two Opensips instances (In my case it's not for balancing/failover at all but just for having the registrations for two servers in one central place for checking with external scripts/other optimizations...)

Shouldn't each instance check whether it's his client or not before sending the keepalive/OPTIONS pings? This would fix the problems in scenarios like mine and i would guess there are a lot of people with the same problem: but they probably never noticed it, or never will.


Best Regards


Max M.

On 07.04.2016 13:00, Max Mühlbronner wrote:
Hi,

I experienced something weird: I got two servers sharing the same location table. (usrloc module)

My problem is: both servers got nathelper ping (OPTIONS) enabled. The Opensips instance A has it's own clients and instance B also...

Now as the location database/table is being shared by both servers the NAT Pings from Instance B are also sent for clients which are registered on instance A.

I did not find any solution to tell Opensips A/B to only ping "their" registered clients. The force_socket option of nathelper will not solve my issue as both servers got their own socket/IP.

Is there any workaround for my situation? (Nat ping does not take the socket/IP of the registered client into account?)


Best Regards




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