On Thu, Nov 21, 2019 at 02:46:39PM +0100, Jose Fco. Irles Dur?? wrote:
Hi
I have a kamailio 5.1.2 as load balancer and registration offloading, but I have a problem with the max tcp connections that it can handle. I suspect that is a linux limit, but I don't find the reason or config. When that limit arrives, I can't connect to kamailio and I receive "Connection reset by peer", but I can't view any error message in the logs.
I experienced the same with versions pre 5.1.9. It hasn't happened to me with 5.1.9 yet, so I cannot say it was fixed. Additional changes I applied where some sysctl tweaks:
net.core.somaxconn = 128 net.ipv4.tcp_max_syn_backlog = 1024 net.ipv4.tcp_timestamps = 1 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_max_tw_buckets = 4096 net.ipv4.ip_local_port_range = 4096 65534 net.ipv4.tcp_syncookies = 0
Again, not really sure if these are related.