<p>After fixing the firewall we still have issues. I see the TCP keepalives coming, but replication stopped, no SIP messages flowing and tm.stats has a big pile of open transactions, no more shm memory available.<br>
Current and waiting seems to follow each other. No calls during the night, so this is only registrations. 300 devices connected. I will have to go back to replication over UDP or stateless replication using forward to get stability.</p>
<pre><code># kamcmd tm.stats
{
        current: 19965
        waiting: 19965
        total: 42187
        total_local: 0
        rpl_received: 42207
        rpl_generated: 10
        rpl_sent: 42211
        6xx: 0
        5xx: 1
        4xx: 4
        3xx: 0
        2xx: 42191
        created: 42187
        freed: 22221
        delayed_free: 0
}
</code></pre>

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