<p>After a bit mor testing of t_replicate_udp I am sorry to say that we still have a problem with that. Firewall is open. We see the same locked transactions and replication has stopped, the other side has an empty usrloc. Kamailio from the 5.0 branch of git before the 5.0.3 release.<br>
Version:</p>
<pre><code># kamailio -v
version: kamailio 5.0.2 (x86_64/linux) 
</code></pre>
<pre><code># kamcmd tm.stats
{
        current: 19974
        waiting: 19974
        total: 534594
        total_local: 0
        rpl_received: 544239
        rpl_generated: 577
        rpl_sent: 534606
        6xx: 0
        5xx: 4533
        4xx: 584
        3xx: 0
        2xx: 529484
        created: 534594
        freed: 514619
        delayed_free: 0
}

</code></pre>
<p>One server replicating with udp, the other with tcp. I see TCP keepalives flowing, so no blocking any more.</p>

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